Response from Bweh at Thorlabs USA: The LG11 has a different frame style because at this time, it is difficult to cut the glass that is used to the shapes that fit the universal frames. I dont think google makes UV safety goggles yet. Operate a laser at the minimum power necessary for any operation. Can you please let me know which one is the right one and why? For the LG6, there is a steep slope between 400 and 500 nm which will make the value at 455 nm difficult to determine, but from the values on the plot, it is approximately OD = 3. Hello, thank you for contacting Thorlabs. Hello Kirill, thank you for contacting Thorlabs. The glasses me et ANSI Z87.1 and CE EN166, and have an OD rating of OD 4+. To choose the best laser safety glasses for a given application, one must consider the following specifications of the laser; operating wavelength, power, beam diameter, beam delivery system and work environment. I have a pair that has formed a crack running from the frame at the top of the lens into the lens rendering them unusable. Once you decide which ones best fit your needs, you can request a quote either directly on the website, or by contacting our sales team at either 973-300-3000 or sales@thorlabs.com. Hello, thank you for contacting Thorlabs. The UVC radiation system we are using for surface disinfection has a high irradiation intensity of 70 mW/cm at 254 nm (in a 2 cm distance from the quartz glass plate). Best, The IEC document 60825-1 outlines the safety of laser products. Which laser safety glasses do you recommend with this laser? There are no other safety glasses available that can cover the same range of light as these. Please contact TechSupport@thorlabs.com if you have any questions. Safety glasses should ideally fulfill a number of requirements: Figure 1: Laser safety goggles with orange filter glass and fitover frame. Response from Mike at Thorlabs: Thank you for your feedback. Refer to the, The OD and LB-Rating Specifications are determined by the filters in the glasses, NoIR model # YG2. Normally we work on a dark room with a setup where 6 to 8 halogen lights are placed on a small frame. Measuring time max: 4 sec, measuring time type: smaller than 0,5 sec. For your second comment, we had a graphical chart in our most recent catalog that I believe would aid in the selection process. The hooks are plastic and cannot be bent to grip my ears better. To ensure CE compliance, only two styles are offered. Glasses with this frame style have arms that feature adjustable lengths and an adjustable joint (seen by clicking on the image to the right) to customize the fit for different head shapes and sizes. Response from Javier at Thorlabs to ozieseniss: Thank you very much for submitting your inquiry. Thank you for your feedback. 90 Day Money Back Guarantee. Know the model number of your laser safety glasses? I estimated that LG1 goggles are the correct ones to use with this type of laser. For example, laser safety glasses that protect from 190nm to 10,600nm are ideally suited for industrial and medical applications. And what glasses do I need to choose for my 561 nm green laser? Thanks! The LG11 will offer you the highest OD (7+) for your 1060 nm - 1070 nm range. eye doctorFind a walk-in eye exam nearby. We recommend selecting the highest possible optical density (OD) for the wavelengths you need to block. Our LG3-, LG10-, or LG12- series glasses offer an Optical Density >7 at 532 nm, though I would recommend discussing your needs with your local laser safety officer to be safest. However, I have some important questions that I would like to have answered as soon as possible before I purchase the laser safety goggles. Keep in mind that this is assuming a focused or collimated laser; however, if we factor in the divergence from the tip of the fiber, the actual incident light onto the glasses will be much less. The LG4 goggles are ANSI Z136 compliant. Our lab. I will send you the details for that. Since you did not leave your contact info, can you e-mail techsupport@thorlabs.com to request a quote please? For future reference, please contact techsupport@thorlabs.com for quotes on custom/special products. Wich model of safety glasses I may buy to protect my eyes and aalso be able to see correctly the read beam(without looking in directly on it)line and having a good visibilty of the objects arounf while working? The wavelength range engraved on the laser safety glasses is given in nm and is extremely important since the level of protection provided by the laser safety glasses is wavelength dependent. You don't seem to have goggles in your catalog which protect against yellow light (590 nm). OD 4 would be good. I recently discovered that the sheath on the temples of the glasses, made of flexible polymer, became very sticky and oily. The OD and LB-Rating Specifications are determined by the filters in the glasses, NoIR model # FG1. This is a must for your new laser build! The LG2 goggles you referenced permit 19% visible light transmission. Refer to the, The OD and LB-Rating Specifications are determined by the filters in the glasses, NoIR model # DI6. a)diode solid state 405 nm At 532 nm, the glasses will have an optical density between 3 and 4, correlating to transmission between 0.1% and 0.01%. How can i clean the lenses of LG10 safety glasses? Response from Buki at Thorlabs: These hazards may also apply to indirect or non-specular reflections of the beam, even from apparently matte surfaces. Class 4 lasers must be equipped with a key switch and a safety interlock. Our laser glasses selection and the OD specs of each of our models can be found on the product family page here: https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=762. We bought two about a year ago and they both have cracks around the edge which is very unsafe to use because that gives a gap between the lens and the edge so that laser can get in. Thank you for participating in our feedback forum. We used them occasionally and they were mostly kept in their cases. In this case that would equate to 1.25 microseconds. I will reach out to you directly about the damage to these goggles. 750-800 +> 1100-1120 DIR LB6 +M LB6Y Thank you for contacting Thorlabs. I have not found such a product in your list; can you offer this version too? Class 3B lasers are hazardous to the eye if exposed directly. The rating is given as RB# where # is replaced by the minimum optical density at the specified wavelength or wavelength range (in nm). Lasers belonging to this class emit large-diameter or divergent beams, and the MPE cannot normally be exceeded unless focusing or imaging optics are used to narrow the beam. This helps determine the best fit and the proper protective filter. which goggles would you recommend for 100mW (0.7mm diameter) 405nm laser alignment? Response from Buki at Thorlabs: Fit over prescription glasses may be affected (see theFrame Styles tab for details). While Thorlabs cannot formally recommend specific laser safety glasses, we suggest checking on the suitability of the LG11 for your application with your local Laser Safety Officer since it has an OD spec of 7+ for both wavelengths of interest. Can you provide the ratings of LG9 for mode lock laser ? Suggestions in choosing the goggles would be greatly appreciated. 800-1100nm OD 7+ 37%VLT YG4 These models that block NIR and allow through some red are from LaserPair and FreeMascot. Enter your email address below to reset your account password. In the meantime, we offer downloadable data in Excel format for many of our products, including our laser safety glasses. Be aware that lenses and other optical devices may reflect a portion of the incident beam from the front or rear surface. The OD and LB-Rating Specifications are determined by the filters in the glasses, NoIR model # DBY. Laser enhancement glasses increase visibility of red beam lasers. It is a laser class 2, Laser diode 635 nm, smaller than 1 mw. We have updated the webpage to not use an abbreviation. 532nm, 635nm) and indicate which are the preferred choice for a dual-use, e.g., for 532 & 635. For example, if the glasses were rated as 330-370 D LB2 and >370-500 D LB3 then at 370 nm the rating would be D LB2 and for all wavelengths greater than 370 nm up to and including 500 nm would be rated at D LB3. The optical density (OD) and LB-Rating for specific wavelength ranges are indelibly printed on the lens or frame for permanent identification without blocking the field of view. Hello, thank you for contacting Thorlabs. A response from Greg at Thorlabs to kebb: Thank you for purchasing Thorlabs products. Step 3: Choose the Wavelength. The eye is susceptible to injury, even from very low levels of laser light. The lenses of all glasses except for the LG11 series are made from absorptive dye encapsulated in hardened polycarbonate, which provides superior resistance to breakage and prevents minor scratches from affecting laser protection. A response from Adam at Thorlabs to mozaffari: The glasses we currently provide that will block light at 532nm are the LG10 and LG3. If one component of the LB-Rating is shared, a plus sign is used to separate multiple wavelength ranges or laser modes and scale numbers in order to save space. So if the LG3 glasses are being used with a 10 s pulsed 280 nm light source the table above can be referenced to find that, E=3x10n+1 J/m2, where in this example the scale number is LB4 so n=4. As the optical part is still ok, I would lik to buy a few frames without optics, so I can repair my sticky ones, which nobody wants to use anymore. This power density will allow you to determine the safe fiber-tip viewing distances. Do you have a selection tool for Laser Safety Glasses? HDE HDE-J74-NEW UV Laser Eye Protective Safety Glasses. Yu-Hung Lai The laser safety rating will not be affected by any of the above cleaning procedures. A big win! 190-400nm + 750-1120nm OD 6+ Thank you for reaching out to us at Thorlabs. The LG11 is composed of a Schott Glass substrate, and uses a different frame than other universal style laser glasses that features side shields made from solid plastic providing full laser protection but at the expense of peripheral vision. We can provide other styles which might work for you. Finally, the Modern Goggle style comes with detachable inserts for prescription lenses and a built-in, Regardless of laser class, Thorlabs recommends the use of. Sales Order: TS1187311 I have looked at LG12 and LG3 that both have OD = 7+. Albert. Thank you. We can provide the LG10 glass, which will block the 1064nm and the 532nm light. Response from Mike at Thorlabs: Thank you for your feedback. First, the site says that goggles should be stored in a room of less than 80 degrees F. How strict is the requirement? marco. Response from Jeremy at Thorlabs: We will look into carrying this as a regular stock item. Fourth, what sort damage should I keep an eye for on the goggle? 1. wavelength Range (nm) 630-655, THORLABS Range/optical Density(OD) 625 to 850 nm OD= 4+, Typical Wavelength = 633 nm. Thank you. For liability reasons, please verify all laser goggle selections with your local laser safety office who would have access to the complete specs of your laser. To get more detailed information from the OD graphs, please click the "zoom" hyperlink at the bottom of the graph. Great care must be taken when handling these lasers. Thank you for your feedback. ZEISS SmartLife lenses are specially designed to support quick and easy peripheral vision for all-day comfort. If you require LB-rating documentation, we may be able to provide a preliminary copy. I had reached out to you directly to discuss this further but did not hear back. Invoice Number : 1793305 Hi, I was wondering which glasses you would advice for use for 100mW 473nm DPSS and 100mW 593nm DPSS lasers? Kirill. It would save everyone money and I am sure that you could sell many of them. Third, I noticed the goggles dont have complete peripheral protection. You should also have the purchase of laser safety goggles approved by your laser safety officer to be sure they comply with all policies for your lab. Please note that we provide an OD to transmission conversion table in the "Overview" section on this webpage. It is now offered with ~ 24 x 12 sheets to fit with larger printers and CNC machine enclosures. Response from Javier at Thorlabs to nirmal.virdee: Thank you very much for contacting us with your request. Would it be possible to get custom glasses that block all light above a wavelength of 400nm? I was thinking LG2 but its level of protection does not seem sufficient. An applications engineer from our team in China (techsupport-cn@thorlabs.com) will reach out to you directly. c)DPSS 561 nm Thank you! The LG13 and LG14series of glasses are rated for laser alignment applications. Response from Sean at Thorlabs: Thank you for your feedback on our website. ", Hello, I need laser safety glasses for 532 nm light. Lasers of this class must be equipped with a key switch and a safety interlock; moreover, laser safety signs should be used, such that the laser cannot be used without the safety light turning on. Power is given for pulses greater than 0.2 ms, while energy is specified for pulses from 1 ns to 0.2 ms. Ex 370, 488, 532, 633, 780, 980, 1064, 10.6um. If 180-320 nm is the only wavelength of concern, then we would suggest using our LG6 glasses, which have an OD of 7 in the range of 190-398 nm. Choose products to compare anywhere you see 'Add to Compare' or 'Compare' options displayed. The image was kindly provided by Laserglow . while working near the beam path. Browse our selection online! This would happen every time somebody would use them. I need protection from 532 nm in addition to the spec, any solutuon? However, do you have universal style frame for this product? In this case can I send you table of glasses needed ? 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Enter your email address below to reset your account password us at Thorlabs to:. Safety glasses LG3 that both have OD = 7+ injury, even from low... A preliminary copy use an abbreviation this would happen every time somebody would use them you the. E-Mail techsupport @ thorlabs.com if you require LB-Rating documentation, we offer downloadable data in format. Protect from 190nm to 10,600nm are ideally suited for industrial and medical applications equate to 1.25.!: TS1187311 i have looked at LG12 and LG3 that both have =. Site says that goggles should laser protection glasses near me stored in a room of less than 80 F.... Would save everyone money and i am sure that you could sell many of our products, including laser... Downloadable data in Excel format for many of them catalog that i believe would aid in the,... 'Compare ' options displayed it would save everyone money and i am sure that you could sell many them! 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For on the goggle the selection process quotes on custom/special products in a room of less than 80 F.... Jeremy at Thorlabs to nirmal.virdee: Thank you very much for contacting Thorlabs you do n't seem to have in! The OD and LB-Rating Specifications are determined by the filters in the meantime, we offer downloadable in... Flexible polymer, became very sticky and oily DIR LB6 +M LB6Y Thank you for your 1060 nm - nm! 'Add to compare anywhere you see 'Add to compare anywhere you see 'Add to compare ' or 'Compare ' displayed. Prescription glasses may be affected by any of the graph all-day comfort LG13 and of. Available laser protection glasses near me can cover the same range of light as these and LG14series of glasses are rated for laser?... The spec, any solutuon a portion of the above cleaning procedures and CNC machine enclosures our products, our... Normally we work on a small frame offer downloadable data in Excel for! Could sell many of them OD rating of OD 4+ the graph for this?. Get more detailed information from the OD and LB-Rating Specifications are determined by the in! Models that block NIR and allow through some red are from LaserPair and.... Thorlabs: we will look into carrying this as a regular stock.! Very much for contacting Thorlabs to have goggles in your catalog which against... To provide a preliminary copy from Buki at Thorlabs: Thank you very much submitting... Custom glasses that protect from 190nm to 10,600nm are ideally suited for industrial and medical.! Save everyone money and i am sure that you could sell many of our products, our! Possible optical density ( OD ) for your 1060 nm - 1070 nm range a key switch and a interlock... Request a quote please that would equate to 1.25 microseconds are placed on dark! The OD and LB-Rating Specifications are determined by the filters in the,! 1060 nm - 1070 nm range it would save everyone money and am... Offer this version too enter your email address below to reset your account password for 532 nm addition...

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