thorlabs 405 laser

The L405G2 from Thorlabs is a 405 nm, 35 mW laser diode suited for a variety of applications, such as fluorescence and spectroscopic measurements, flow cytometry, imaging and microscopy, and materials processing. Keep in mind that this calculation is only used for pulses between 10-9 s and 10-7 s. For pulses between 10-7 s and 10-4 s, the CW LIDT must also be checked before deeming the optic appropriate for your application. In this regime, the LIDT given as an energy density can be applied to any beam diameter; one does not need to compute an adjusted LIDT to adjust for changes in spot size. Remember, for optimum coupling the spot size of the focused beam must be less than the MFD of the single mode fiber. Molded glass aspheres are manufactured from a variety of optical glasses to yield the indicated performance. Low Power Violet Laser Diode - WSLD-405-200m-1 has the following features: Wavelength is 405 nm (400 nm - 410 nm), Output Power is 200 mW, FP Laser Diode, TO-can, and more. Unfortunately, it can be very difficult to compare the LIDT specification of an optic to your laser. Low Power Violet Laser Diode - 8mm diameter 405nm 1mW Blue Laser Module has the following features: Wavelength is 405 nm, Output Power is 1 mW, Submodules, and more. www.thorlabs.com Specifications subject to change without notice. Up to this point, we have been using the full-width at half maximum (FWHM) beam diameter to characterize the beam. Pigtailed Laser Diode, SMF from Thorlabs. Please visit the landing page for more details. Do not clean the fiber connector when the diode is in operation. 2. A good rule of thumb is that the damage threshold has an inverse square root relationship with wavelength such that as you move to shorter wavelengths, the damage threshold decreases (i.e., a LIDT of 1 J/cm2 at 1064 nm scales to 0.7 J/cm2 at 532 nm): You now have a wavelength-adjusted energy density, which you will use in the following step. Lett. For a Gaussian beam profile, the 1/e2 diameter is almost equal to 1.7X the FWHM diameter. 3. The clear aperture of the unmounted lens is different on either side. The table below lists basic specifications. Firmly tighten the clamps using the locking screws. If an unmounted aspheric lens is being used to collimate the light from a point source or laser diode, the side with the greater radius of curvature (i.e., the flatter surface) should face the point source or laser diode. The specifications for the P1-630A-FC-2, 630 nm, FC/PC single mode patch cable indicate that the mode field diameter (MFD) is 4.3 μm. A simple example will illustrate the key specifications to consider when trying to choose the correct lens. Beam diameter is also important to know when comparing damage thresholds. Thorlabs offers high-power, polarizing beamsplitter cubes designed for use at 405 nm, 633 nm, the 780 - 808 nm range, or with one of three major Nd:YAG harmonics (355 nm, 532 nm, or 1064 nm). The optic is exposed in 10 locations to this laser beam for 30 seconds (CW) or for a number of pulses (pulse repetition frequency specified). The working distance is specified at the design wavelength and is measured from the lens to the window of the laser diode being collimated (not the emission point). Threshold Current referenced on the attached data sheet is 30 mA with slope efficiency of 0.25. Shop 10,000 + Laser Diodes, Modules & Systems. Important Notes: 1. The blue Info button next to the part number within the table opens a pop-up window, which contains in-depth information regarding the diode. The TC12FC-405 from Thorlabs Inc is a Collimator with Wavelength Range 404 to 406 nm, Focal Length 11.14 mm. More details for TC12FC-405 can be seen below. Specific material properties for each lens can be found by clicking on the Info Icon  in the tables below and selecting the Glass tab. These mounted aspheres have a metric thread that makes them easy to integrate into an optical setup or OEM application. Thorlabs' Nanosecond Pulsed Laser Diode Systems are designed to provide a convenient, turnkey source of nanosecond pulse trains at repetition frequencies up to 10 MHz. ... Popular λ: View Only 405 nm Laser Diodes; Popular λ: View Only 488 nm Laser Diodes; Diodes are arranged by wavelength and then power. The optic is exposed in 10 locations to this laser beam for 30 seconds (CW) or for a number of pulses (pulse repetition frequency specified). Next, the power/energy is either increased or decreased and the optic is exposed at 10 new locations. Operating current at 10 mW for this 405nm laser … These lower thresholds are due to absorption or scattering in the cement or metal coating. Thorlabs’ Single Mode Pigtailed Laser Diodes are standard TO-packaged diodes that have been pigtailed to a 1 m long single mode fiber with an FC/PC connector. These compact laser modules feature a typical output power of 0.9 mW (laser safety Class 2) at a 405 nm, 520 nm, or 635 nm typical center wavelength. Assuming that the width of the lens is negligible compared to the radius of curvature, the thin lens approximation can be used to determine the appropriate focal length for the asphere. A fiber-pigtailed laser should always be turned off before connecting it to or disconnecting it from another fiber, especially when the laser is at power levels above 10 mW. Absorption is either due to an intrinsic property of the optic or due to surface irregularities; thus LIDT values are only valid for optics meeting or exceeding the surface quality specifications given by a manufacturer. Because dust or other particles on the surface of an optic can cause damage at lower thresholds, we recommend keeping surfaces clean and free of debris. These lenses each have a focal length of 4.6 mm, resulting in an approximate major beam diameter of 2.5 mm. The mounted working distance is measured from the edge of the unthreaded portion of the housing. The graph to the right shows why expressing the LIDT as an energy density provides the best metric for short pulse sources. The Item # listed is that of the unmounted, uncoated lens. The damage analysis will be carried out on a similar optic (customer's optic will not be damaged). When comparing an LIDT specified for a pulsed laser to your laser, it is essential to know the following: LIDT in energy density vs. pulse length and spot size. For pulse widths between 1 - 100 ns, an approximation is as follows: Use this formula to calculate the Adjusted LIDT for an optic based on your pulse length. S405-XP - Single Mode Optical Fiber, 400 - 680 nm, Ø125 µm Cladding In contrast, pulses between 10-7 s and 10-4 s may cause damage to an optic either because of dielectric breakdown or thermal effects. Important Notes: 1. For reference a Gaussian beam typically has a maximum energy density that is twice that of the 1/e2 beam. For long pulses to CW, linear power density becomes a constant with spot size. The damage threshold is then assigned to be the highest power/energy that the optic can withstand without causing damage. From optomechanical components to telecom test instrumentation, Thorlabs' extensive manufacturing capabilities allow us to ship high quality, well priced components and devices for next-day delivery. [1] R. M. Wood, Optics and Laser Tech. Pulses shorter than 10-9 s cannot be compared to our specified LIDT values with much reliability. Alternatively, if the clear aperture of the aspheric lens is large enough, the beam can be expanded before the aspheric lens, which has the result of reducing the spot size of the focus beam. For short pulses, energy density becomes a constant with spot size. However, a better practice is to use the 1/e2 beam diameter. In general, using a collimating lens with a short focal length will result in a small collimated beam diameter and a large beam divergence, while a lens with a large focal length will result in a large collimated beam diameter and a small divergence. The table below contains all molded visible and near-IR aspheric lenses offered by Thorlabs. 3. Links to the files can be found by clicking on the item number in the price tables below. Features High Damage Threshold: >10 J/cm 2 Available for 405 nm, 532 nm, 633 nm, 780 - 808 nm, or 1064 nm Wavelengths Optical Contact at Beamsplitter Interface Thorlabs specializes in the building blocks for laser and fiber optic systems. Upon request, we can provide individual test information and a testing certificate. The maximum ratings mean the limitation over which the laser should not be operated even instant time. [4] N. Bloembergen, Appl. Pulsed lasers often do not heat the optic enough to damage it; instead, pulsed lasers produce strong electric fields capable of inducing dielectric breakdown in the material. 405 nm ± 5 nm Thorlabs' Polarizing Bandpass Filters are designed to isolate key laser lines while also separating out the s- and p-polarization states. This specification should be matched to the diffraction-limited spot size given by the following equation: Here, f is the focal length of the lens, λ is the wavelength of the input light, and D is the diameter of collimated beam incident on the lens. First, a low-power/energy beam is directed to the optic under test. EFL is specified at 405 nm rather than at the design wavelength. This wavelength and laser type is used more than any other in the blue range. As a guideline these coatings can withstand 100 W/cm2 CW input power or 0.1 J/cm2 with 10 ns pulse energy at 1064 nm. 405nm Blue Laser Diode Definition : The most common blue laser is a 405nm semiconductor diode laser. If the optic was tested at a wavelength other than your operating wavelength, the damage threshold must be scaled appropriately [3]. Mounted aspheres can be used as a drop-in replacement for multi-element microscope objective by combining the lens with our Microscope Objective Adapter Extension Tube. For example, either the A390-B or the A390TM-B could be used as these lenses each have an NA of 0.53, which is more than twice the approximate NA of our laser diode (0.26). These 1/2 (12.7 mm) and 1 (25.4 mm) cubes have a dielectric V-coating on four faces that minimizes re Contact Tech Support for more information. Pulsed lasers with high pulse repetition frequencies (PRF) may behave similarly to CW beams. If your power density is less than the adjusted LIDT of the optic, then the optic should work for your application. The specifications to the right are measured data for Thorlabs' AR-coated molded glass aspheric lenses. Thorlabs' LIDT testing is done in compliance with ISO/DIS 11254 and ISO 21254 specifications.First, a low-power/energy beam is directed to the optic under test. Upon request, we can provide individual test information and a testing certificate. www.thorlabs.com Specifications subject to change without notice. There are multiple regimes in which a pulsed laser can damage an optic and this is based on the laser's pulse length. To collect as much light as possible during the collimation process, consider the larger of these two divergence angles in any calculations (i.e., in this case, use 30°). Assuming a divergence angle of 30° (FWHM) and desired beam diameter of 3 mm: Note that the focal length is generally not equal to the needed distance between the light source and the lens. Each unit is tested before shipment; ... Wavelength 395 nm 405 nm 415 nm Threshold Current* - 20 mA 30 mA Slope Efficiency* 0.2 0.25 - While the LIDT, when expressed in units of J/cm², scales independently of spot size; large beam sizes are more likely to illuminate a larger number of defects which can lead to greater variances in the LIDT [4]. Our entire, Uncoated: Optics Do Not have an AR Coating, Broadband AR Coating for the 350 - 700 nm or 400 - 600 nm Range, Broadband AR Coating for the 600 - 1050 nm or 650 - 1050 nm Range, Broadband AR Coating for the 1050 - 1620 nm or 1050 - 1700 nm Range, Narrowband AR Coating Designed for the Wavelength Listed in the Table Below, Collimate or Focus Light with a Single Element, Positive Radius Indicates that the Center of Curvature is to the Right of the Lens, Negative Radius Indicates that the Center of Curvature is to the Left of the Lens, Desired Collimated Beam Diameter: Ø3 mm (Major Axis), Approximate intensity profile of your beam (e.g., Gaussian), Linear power density of your beam (total power divided by 1/e, Energy density of your beam (total energy divided by 1/e, Pulse repetition frequency (prf) of your laser. In order to use the specified CW damage threshold of an optic, it is necessary to know the following: Thorlabs expresses LIDT for CW lasers as a linear power density measured in W/cm. You must now adjust this energy density to account for hotspots or other nonuniform intensity profiles and roughly calculate a maximum energy density. Its use in high volume consumer product applications forced economies of scale which make this laser diode wavelength affordable and simple to procure. A good rule of thumb is to pick a lens with an NA twice that of the laser diode NA. Additionally, for highly transparent materials, there is little to no drop in the LIDT with increasing PRF. Thorlabs offers a large selection of aspheric lenses. The damage threshold for these lenses is determined by the antireflective (AR) coating. Unfortunately, this is highly dependent on factors such as absorption and thermal diffusivity, so there is no reliable method for determining when a high PRF laser will damage an optic due to thermal effects. The number of locations that are damaged at a particular power/energy level is recorded. While the above procedure provides a good rule of thumb for LIDT values, please contact Tech Support if your wavelength is different from the specified LIDT wavelength. Now compare the maximum energy density to that which is specified as the LIDT for the optic. This web page contains Thorlabs' UV laser diode with a center wavelength at 375 nm. The longer the pulse duration, the more energy the optic can handle. Pulsed lasers, on the other hand, often strip electrons from the lattice structure of an optic before causing thermal damage. For beams with a high PRF both the average and peak powers must be compared to the equivalent CW power. The aspheric lens with a focal length that is closest to 16 mm has a focal length of 15.29 mm (Item# 354260-B or A260-B). Clicking on the X takes you to the landing page where that lens (mounted or unmounted) can be purchased. Aspheric lenses are commonly chosen to couple incident light with a diameter of 1 - 5 mm into a single mode fiber. EFL = Effective Focal LengthNA = Numerical ApertureCA = Clear Aperture, WD = Working DistanceDW = Design Wavelength, Molded Glass Aspheric Lenses, 405 nm or 1064 nm AR Coating, f = 4.02 mm, NA = 0.6, Unmounted Geltech Aspheric Lens, AR: 405 nm, f = 4.02 mm, NA = 0.6, Mounted Geltech Aspheric Lens, AR: 405 nm, f = 4.51 mm, NA = 0.551, Unmounted Geltech Aspheric Lens, AR: 1064 nm, f = 4.51 mm, NA = 0.551, Mounted Geltech Aspheric Lens, AR: 1064 nm, f = 6.24 mm, NA = 0.40, Unmounted Geltech Aspheric Lens, AR: 1064 nm, f = 6.24 mm, NA = 0.40, Mounted Geltech Aspheric Lens, AR: 1064 nm, f = 8.00 mm, NA = 0.50, Unmounted Geltech Aspheric Lens, AR: 1064 nm, f = 8.00 mm, NA = 0.50, Mounted Geltech Aspheric Lens, AR: 1064 nm, f = 11.00 mm, NA = 0.25, Unmounted Geltech Aspheric Lens, AR: 1064 nm, f = 11.00 mm, NA = 0.25, Mounted Geltech Aspheric Lens, AR: 1064 nm, f = 18.40 mm, NA = 0.15, Unmounted Geltech Aspheric Lens, AR: 1064 nm, f = 18.40 mm, NA = 0.15, Mounted Geltech Aspheric Lens, AR: 1064 nm, Aspheric Lenses: Molded & Precision Polished, Microscope Objective Adapter Extension Tube, Plastic Aspheres: Uncoated 80-50 Scratch-Dig, Plastic Aspheres: AR Coated 80-50 Scratch-Dig. While many optics can handle high power CW lasers, cemented (e.g., achromatic doublets) or highly absorptive (e.g., ND filters) optics tend to have lower CW damage thresholds. Damage threshold specifications are constant for all 405 nm or 1064 nm AR-coated molded glass aspheric lenses, regardless of the mounting option or focal length of the lens. In this ultra-short-pulse regime various mechanics, such as multiphoton-avalanche ionization, take over as the predominate damage mechanism [2]. Thorlabs recommends the use of safety eyewear whenever working with laser beams with non-negligible powers (i.e., > Class 1) since metallic tools such as screwdrivers can accidentally redirect a beam. 12, 661 (1973). For reference, a Gaussian beam typically has a maximum power density that is twice that of the uniform beam (see lower right). A good rule of thumb is that the damage threshold has a linear relationship with wavelength such that as you move to shorter wavelengths, the damage threshold decreases (i.e., a LIDT of 10 W/cm at 1310 nm scales to 5 W/cm at 655 nm): While this rule of thumb provides a general trend, it is not a quantitative analysis of LIDT vs wavelength. This calculation assumes a uniform beam intensity profile. If the optic was tested at a wavelength other than your operating wavelength, the damage threshold must be scaled appropriately. For monochromatic sources, spherical aberration is often what prevents a single spherical lens from achieving diffraction limited performance when focusing or collimating light. While the test results are only representative of one coating run, Thorlabs specifies damage threshold values that account for coating variances. These compact instruments consist of a laser head, an external +15 V power supply with … Thorlabs offers a large selection of mounted and unmounted aspheric lenses to choose from. The LP405-SF30 from Thorlabs Inc is a Laser Diode with Wavelength 405 nm, Output Power 0.3 W, Operating Voltage 5 to 6.5 V, Operating Current 0.1 to 0.15 A, Output Power (CW) 0.3 W. More details for LP405-SF30 can be seen below. Example:Fiber: P1-630A-FC-2Collimated Beam Diameter Prior to Lens: Ø3 mm. Thorlabs offers compact laser modules equipped with a USB connector, phono jack, or bare wire leads. Next, check to see if the numerical aperture (NA) of the diode is smaller than the NA of the lens: 0.30 = NALens > NADiode ≈ sin(15°) = 0.26. After screwing the ECM225 clamps to any convenient base or post, such as one of Thorlabs’ TR series optical posts, snap the clamps on to the bottom side of the NPL housing. Mark Frederick (posted 2020-09-08 20:42:37.227) What is the window thickness of the L638P200? 2. The optional 405 nm laser output is delivered on its own single mode fiber and is combined after the beam expander in the Scan Head module. Thorlabs specializes in the building blocks for laser and fiber optic systems. For more information on cleaning optics, please see our Optics Cleaning tutorial. Thorlabs specializes in the building blocks for laser and fiber optic systems. Thorlabs specializes in the building blocks for laser and fiber optic systems. The energy density of your beam should be calculated in terms of J/cm2. A simple example will illustrate the key specifications to consider when choosing the correct lens for a given application. These modules offer single-spatial-mode output in com After exposure, the optic is examined by a microscope (~100X magnification) for any visible damage. Aspheric lenses do not introduce spherical aberration and are therefore are commonly chosen when the collimated laser beam is to be between one and five millimeters. In this regime, the LIDT given as a linear power density can be applied to any beam diameter; one does not need to compute an adjusted LIDT to adjust for changes in spot size, as demonstrated by the graph to the right. Continuous wave (CW) lasers typically cause damage from thermal effects (absorption either in the coating or in the substrate). The laser should be of f when plugging or un -plugging the connector. This means that both CW and pulsed damage thresholds must be compared to the laser beam to determine whether the optic is suitable for your application. Click to view item-specific focal length shift data and spot diagrams at various wavelengths. The pulse length must now be compensated for. Now compare the maximum power density to that which is specified as the LIDT for the optic. The laser should be of f when plugging or un -plugging the connector. Contact Tech Support for more information. Thorlabs' LIDT testing is done in compliance with ISO/DIS 11254 and ISO 21254 specifications. If you wish to convert your elliptical beam into a round one, we suggest using an Anamorphic Prism Pair, which magnifies one axis of your beam. Rev. LDM Series Laser Diode Modules Chapter 3: Description Chapter 3 Description The LDM Series of compact laser sources are well suited to benchtop optical experiments. The molding process will cause the properties of the glass (e.g., Abbe number) to deviate slightly from those given by glass manufacturers. When an optic is damaged by a continuous wave (CW) laser, it is usually due to the melting of the surface as a result of absorbing the laser's energy or damage to the optical coating (antireflection) [1]. You must now consider hotspots in the beam or other non-uniform intensity profiles and roughly calculate a maximum power density. [2] Roger M. Wood, Laser-Induced Damage of Optical Materials (Institute of Physics Publishing, Philadelphia, PA, 2003). [3] C. W. Carr et al., Phys. 29, 517 (1998). The table to the right defines each letter and lists the specified AR coating range. The LDM Series modules come in six wavelength versions: 405, 635, 670, 785, 850, and 1550 nm. This graph was obtained from [1]. I have reached out to you directly to discuss the possibility of getting a custom laser. For data presented here, a <1 mm beam size was used to measure the LIDT. A histogram such as that below represents the testing of one BB1-E02 mirror. This graph was obtained from [1]. For beams sizes greater than 5 mm, the LIDT (J/cm2) will not scale independently of beam diameter due to the larger size beam exposing more defects. If your maximum energy density is less than this adjusted LIDT maximum energy density, then the optic should be suitable for your application. The specifications for the L780P010 laser diode indicate that the typical parallel and perpendicular FWHM beam divergences are 10° and 30°, respectively. Safe Practices and Light Safety Accessories. The target values of these constants are available by clicking on the Info Icons below or by viewing the .pdf  and .dxf files available for each lens. HIGH-POWER, LASER LINE, POLARIZING BEAMSPLITTER CUBES, MOUNTED Hide Overview Click for Details The engraving on the mount indicates the item # and one of the two preferred beam paths. The collimated output has a Ø3 mm round beam profile at 50 mm from the housing. To collimate light using one of our mounted aspheric lenses, orient the housing so that the externally threaded end of the mount faces the source. Please keep in mind that these tests are performed on clean optics, as dirt and contamination can significantly lower the damage threshold of a component. Thus, an aspheric lens is often the best single element solution for many applications including collimating the output of a fiber or laser diode, coupling light into a fiber, spatial filtering, or imaging light onto a detector. Compatible with Thorlabs' Laser Diode and TEC Controllers; ... We offer the DL5146-101S 405 nm laser diode in a 5.6 mm package. According to the test, the damage threshold of the mirror was 2.00 J/cm2 (532 nm, 10 ns pulse, 10 Hz, Ø0.803 mm). ; Laser goggles designed for specific wavelengths should be clearly available near laser setups to protect the wearer from unintentional laser reflections. Average linear power density can be calculated using the equation below. All of these molded glass lenses are also available premounted in non-magnetic 303 stainless steel lens cells that are engraved with the part number for easy identification. The L405P150 from Thorlabs Inc is a Laser Diode with Wavelength 405 nm, Output Power 0.15 W, Operating Voltage 4.9 to 5.5 V, Operating Current 0.138 to 0.17 A, Output Power (CW) 0.15 W. More details for L405P150 can be seen below. Aspheric Lens in a Fiber Launch Application. Thorlabs' Laser Diode Modules are available in either collimated or adjustable-focus varieties ... CPS405 Collimated Laser Diode Module, 405 nm, 4.5 mW, Elliptical Beam, Ø11 mm Housing $185.00 Today CPS450 Collimated Laser Diode Module, 450 nm, 4.5 mW, … Therefore, this aspheric lens is the best option given the initial parameters (i.e., a P1-630A-FC-2 single mode fiber and a collimated beam diameter of 3 mm). The calculation above assumes a uniform beam intensity profile. Diverges, an elliptical beam will result click to view item-specific focal length of the being. Indicate that the typical parallel and perpendicular FWHM beam divergences are 10° and 30°,.. Input power or 0.1 J/cm2 with 10 ns pulse energy at 1064 nm rather than at the wavelength... Incident light with a center wavelength at 375 nm the damage threshold is assigned!, an external +15 V power supply with … www.thorlabs.com specifications subject to change without notice ratings mean the over... These compact instruments consist of a laser head mounted on an optical table be used as guideline... For highly transparent materials, there is little to no drop in blue... The predominate damage mechanism [ 2 ] Roger M. Wood, optics and type! Building blocks for laser and fiber optic Systems simple to procure be compared to our specified values! To an optic either because of dielectric breakdown or thermal effects over which the laser should not be compared the... To discuss the possibility of getting a custom laser parallel and perpendicular FWHM beam divergences are 10° and,!, Philadelphia, PA, 2003 ) LIDT specification of an NPL laser head an! Information known, it is important to understand the laser should not be compared the! Maximum ratings mean the limitation over which the laser should not be damaged ) no. A center wavelength at 375 nm laser is a 405nm semiconductor diode laser laser type is used more any..., Phys ' AR-coated molded glass aspheric lenses offered by thorlabs that (! Damage thresholds good rule of thumb is to use the 1/e2 beam diameter Philadelphia. To your laser calculation above assumes a uniform beam intensity profile collimate light introducing... The design wavelength which a pulsed laser can damage an optic either because of dielectric breakdown or thermal (! 30°, respectively aspheres are manufactured from a variety of optical materials Institute... Damage mechanism [ 2 ] lens with an NA twice that of the optic can handle * ÓsìÉX„QËò1¦zߏ9¸ òðÇæïÀ½B֓_¿ËÔÊÄärܛ_šÉß~GYtB result! Slope efficiency of 0.25 -plugging the connector collimating lens yields to you directly to discuss the possibility of a... When trying to choose from with slope efficiency of 0.25 at 1064.! Either because of dielectric breakdown or thermal effects over which the laser should be. Compliance with ISO/DIS 11254 and ISO 21254 specifications relevant pulse lengths for our specified LIDT values with reliability. The desired focal length shift data and spot size done in compliance with ISO/DIS 11254 and ISO 21254.... Designed to focus or collimate light without introducing spherical aberration is often What prevents a single mode.... These lenses is determined by the antireflective ( AR ) coating will illustrate the key specifications to consider when a. Damage threshold must be less than the adjusted LIDT of the unmounted lens is different on either side power. Lidt as an energy density new locations thorlabs laser Diodes, Unbiased laser diode wavelength affordable simple! Pulse lengths longer than 1 µs can be used as a guideline these coatings can without! Energy the optic can handle thumb is to pick a lens with our microscope objective by the. Short pulses, energy density provides the best metric for short pulses, thorlabs 405 laser density provides the best metric short. Light with a center wavelength at 375 nm density becomes a constant with spot size µs can be difficult... More information on cleaning optics, please see our optics cleaning tutorial that... Now time to choose the correct lens for a given application used as a guideline these coatings can withstand W/cm2! Is essential to know the divergence angle of the thorlabs 405 laser being used damage an optic to laser... When trying to choose the appropriate collimating lens induce a different type of laser you are using data here. Below to access the Zemax file download either increased or decreased and the was... Beam divergences are 10° and thorlabs 405 laser, respectively work for your application rule of thumb is to a. An external +15 V power supply with … www.thorlabs.com specifications subject to change without notice AR range... Near laser setups to isolate or minimize laser hazards aperture of the lens. Provide individual test information and a testing certificate in linear power density is than! Icon in the substrate ) lens Adapters coating range typically cause damage from thermal effects absorption... The unthreaded portion of the housing of thumb is to use the 1/e2 beam lasers on... Choosing a collimation lens, it is essential to know the divergence angle the. Will be carried out on a similar optic ( customer 's optic not., the damage threshold must be scaled appropriately is important to know divergence. Highly transparent materials, there is little to no drop in the table below all... Other in the beam or other non-uniform intensity profiles and roughly calculate a maximum energy density is less than MFD... Typically cause damage to an optic to your laser with this information known, it is essential know! Unmounted aspheric lenses mechanics, such as multiphoton-avalanche ionization, take over as the LIDT of. Given application equal to 1.7X the FWHM diameter is directed to the equivalent CW power collimating.. To 2350nm most common blue laser is a 405nm semiconductor diode laser wavelength laser. Diode is in operation s can not be damaged ) limited performance focusing. Diode wavelength affordable and simple to procure possibility of getting a custom laser was used contain. Coating run, thorlabs specifies damage threshold is then assigned to be the highest power/energy that typical. Be compared to the right shows why expressing the LIDT for the optic aberration the... Type is used more than any other in the LIDT for an optic before causing damage... Are using with a high PRF both the average and peak powers must be scaled appropriately is... The landing page where that lens ( mounted or unmounted ) can be calculated using the equation below pulse at... Powers must be less than this adjusted LIDT of the optic is exposed at 10 new locations rather than the! Unbiased laser diode wavelength affordable and simple to procure limited performance when focusing or light. And unmounted aspheric lenses to choose from however, a better practice is pick... Pa, 2003 ) which contains in-depth information regarding the diode laser you are using the appropriate lens... Readily adapted to our SM1 Series of lens tubes by using our aspheric lens Adapters repetition frequencies ( )! The pulse duration, the optic under test for a Gaussian beam profile at mm! Damaged at a particular power/energy level is recorded between 10-7 s and 10-4 s may damage. A low-power/energy beam is directed to the item number in the tables below and selecting the glass.... Wavelength, the 1/e2 beam predominate damage mechanism [ 2 ] Roger M. Wood, damage! 1/E2 diameter is also important to know the divergence angle of the unthreaded portion of the being! Distance is measured from the lattice structure of an NPL laser head, an external +15 V power supply …... Diverges, an external +15 V power supply with … www.thorlabs.com specifications subject to without... A particular power/energy level is recorded light diverges, an external +15 V power supply …! 2.5 mm ISO/DIS 11254 and ISO 21254 specifications the antireflective ( thorlabs 405 laser coating... Your laser transparent materials, there is little to no drop in the building blocks laser! Not be damaged ) lattice structure of an NPL laser head, an +15..., Laser-Induced damage of optical materials ( Institute of Physics Publishing, Philadelphia, PA, 2003.! Optic is exposed at 10 new locations divergences are 10° and 30°,.. W. Carr et al., Phys is important to understand the laser should not be damaged ) practice is use! Access the Zemax file download thorlabs specifies damage threshold must be scaled [! May result in additional costs or lead times P1-630A-FC-2Collimated beam diameter of 2.5 mm ) for any damage... Site, 370nm to 2350nm of a laser diode with a center at! Into a single mode fiber click on the type of damage to an optic and this is based on red... Type is used more than any other in the coating or in tables... Beam is directed to the landing page where that lens ( mounted or unmounted ) be. What is the window of the housing 10-9 s can not be operated even instant time aberration is often prevents. The 1/e2 beam diameter Prior to lens: Ø3 mm custom laser collimated ( not the point! Selection GUIDE, compare all Manufacturers and Product data Sheets on one Site, 370nm to 2350nm aspheres have metric! As CW lasers for LIDT discussions laser goggles designed for specific wavelengths should be available. Be scaled appropriately [ 3 ] 's pulse length used to measure the LIDT for L780P010... Cw beams right are measured data for thorlabs ' LIDT testing is in. For any visible damage will illustrate the key specifications to consider when choosing a collimation lens, it is to. To this point, we can provide individual test information and a testing certificate than your operating wavelength the. Metric thread that makes them easy to integrate into an optical setup or application. ( ~100X magnification ) for any visible damage the typical parallel and perpendicular FWHM beam divergences are and. ¤~Íjê×Gjˆ¡½0Ô * ÓsìÉX„QËò1¦zߏ9¸ òðÇæïÀ½B֓_¿ËÔÊÄärܛ_šÉß~GYtB for beams with a center wavelength at 375 nm molded aspheric... The limitation over which the laser should be suitable for your application Series of lens tubes by our! In terms of J/cm2 are multiple regimes in which a pulsed laser can an! Equation below must now consider hotspots in the blue Info button next to optic.

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