Thank you for your feedback. In other words, if you purchase a pair with VLT of 12%, you might want to take them off before going down stairs and such because you will not be able to see well. The laser source has the following characteristics: Pulse repetition frequency: 0-30 Hz We purchased three LG11 laser safety glasses around 2014. Hi, This is a must for your new laser build! Dear Support, However, I have some important questions that I would like to have answered as soon as possible before I purchase the laser safety goggles. Our locator includes eye doctors (many of whom feature eyewear options in their offices), eyewear stores where you can purchase eyewear and websites where you can purchase eyewear online. It is now offered with ~ 24 x 12 sheets to fit with larger printers and CNC machine enclosures. Hi Thorlabs, it would be nice to have a tool where I plug in my laser parameters and it suggests the correct glasses. Thanks in advance! I will reach out to you directly about this application. I supose it is, but in the specifications it only says that the OD 6+ is until 10600 nm, and does not specify anything for greater wavelengths. The LG11 (A) Laser Safety glasses use a . Laser safety glasses protect against lasers and fall into three primary categories/material: Polycarbonate Glass Dielectric Coated Below is a table to display generalize trade-offs of different laser safety glasses and goggles: For our full laser safety glasses offering, click here. The laser mode designation is based on the duration of laser pulse emitted by the laser. For information on how to interpret the rating please see the information contained on the "Specs Tutorial" tab or contact one of our application engineers. Optical density: 512-532nm OD>=9 The ones Ive recommended here have an actual rating at 405 nm. Adam, Response from Bweh at Thorlabs USA: Yes we do offer several laser safety glasses for infrared wavelengths as can be found here: http://www.thorlabs.com/NewGroupPage9.cfm?ObjectGroup_ID=762. the safaty glasses, You can determine appropriate safety goggles through the European EN 207 standard. Check out our range of safety glasses, safety goggles, and protective eyewear online and in-store at Total Tools! A response from Adam at Thorlabs to mozaffari: The glasses we currently provide that will block light at 532nm are the LG10 and LG3. Thank you for participating in our feedback forum. Response from Laurie at Thorlabs to sebastian.marschall: Unfortunately, we do not have data on the LG1 goggles beyond 1050 nm. For example, laser safety glasses that protect from 190nm to 10,600nm are ideally suited for industrial and medical applications. Please pressure your supplier to offer this in a better form factor for folks with prescription glasses! The LG series of laser safety goggles are Ansi Z87 compliant. Cracked lenses or frames also warrant replacement of the glasses. A reply from Jens at Thorlabs: we can offer a custom solution for this combination. Javier Tovar. It would be similar to LG12 with the difference that the OD is lower around 532 nm. Available only from ZEISS - the first to make sunglass-level UV protection standard in all their clear lenses. Hi, we need glasses to have these specifications: In most cases, we would chose based on the description I provided earlier in the feedback tab and using our Specs Tutorial tab. The MPE can be exceeded with this class of laser; however, this presents a low risk level to injury. Could you suggest which glass is suitable for working free-space optic setup with 780nm laser diode and 633nm HeNe laser application and also comply with safety requirement? To ensure CE compliance, only two styles are offered. I will contact you directly to discuss about this further. Refer to the, The OD and LB-Rating Specifications are determined by the filters in the glasses, NoIR model # EC2. Which laser safety glass(es) models would be appropriate? Response from Tyler at Thorlabs to srubin: Thank you for pointing out the spelling error. Hello, I wish to know which product would be most suited for a class 4 laser (blue, 445nm, 1W total optical output) such that its possible to view the laser safely. Thank you for participating in our feedback forum. These operate in the C-band, 1528nm - 1565nm. Response from Javier at Thorlabs to pillippe.rondeau: Thank you very much for submitting your feedback. Response from Jeremy at Thorlabs: We do not have any safety goggles that block all the visible light. They do NOT fit over male-sized prescription glasses (despite beind advertised to do so!) The LG4 laser safety glasses meet the safety specifications of the European EN 207 standard for this example. And - a grid showing OD of each goggle for certain common laser lines - would make selction faster than scrolling back and forth among the charts (or downloading the graphs). Im sorry you had a hard time reading our plot. Suggestions in choosing the goggles would be greatly appreciated. Comfort StyleComfort Style glasses feature a medium (145 mm x 47 mm) frame with solid side shields for full protection from peripheral laser radiation. We are sorry to hear about the issues you are having with your LG11A. 800-1100nm OD 7+ 37%VLT YG4 Thank you for your interest in our products. we need safety glasses for Ti:Sapphire amplifier alignment. Response from Tim at Thorlabs: The dimensions for each laser safety glasses can be found in the spec sheet. Find a Store Near Me. Hello, thank you for contacting Thorlabs. 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 lenses have a diagonal length of 66 mm. RELATED SEARCHES. while working near the beam path. Can you please let me know which one is the right one and why? Please note that we provide an OD to transmission conversion table in the "Overview" section on this webpage. The LG11 (A) Laser Safety glasses use a . Third, I noticed the goggles dont have complete peripheral protection. Response from Sean at Thorlabs: Thank you for your feedback. Frans. Sun glasses, tanning glasses, and even glasses that are rated for laser protection are not sufficient to block the 700-1400 rays that comes with near infrared sauna therapy. While these laser safety glasses cannot be worn over prescription glasses, each pair includes a detachable insert for prescription lenses (seen by clicking on the the image to the right). Indelibly printed on the laser safety glasses are two sets of numbers: Optical Density (OD) and LB-Rating, which are both used to indicate the level of protection provided for specific wavelength ranges. 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. Kind regards, Sebastian Jger. Safety Glasses Eye Protection UV and Red Laser Total Eye Coverage Professional Laser Safety ShieldAny you are interested, please contact me via WhatsApp: +86. I hope to hear from you soon. Our group would like to purchase your LG11 product. Hello, thank you for contacting Thorlabs. Hello, thank you for contacting Thorlabs. Step 3: Choose the Wavelength. Kirill. 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. Reza. Thanks in advance for your time, Hello, we recommend selecting the highest possible optical density (OD) for the wavelengths you need to block. I will get this added to the website this week and send you a pdf of this via email. I have reached out to you to discuss your confusion and your particular application. Step 5: Choose the Frame Style. Some people want an eye care professional's guidance when . Item #377186. (3) 3392 nm: LG11 (OD 5+) 2) The L-ratings for each pair of laser glasses are listed on the web page and on the spec sheet. Please note that we stronly recommend having your lab safety technician review the specifications of these glasses before they are used in your experiment. I am a graduate student in Caltech. Im looking for safety glasses that cover the spectrum of concern for biological safety and health in the 180-320 nm range. Each pair of laser safety glasses comes with a protective storage case, cleaning cloth, and adjustable neck strap. The closest option from our catalog would be the LG12. 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41% Visible Light Transmission, Universal Style, Laser Safety Glasses, Gray Lenses, 41% Visible Light Transmission, Comfort Style, Laser Safety Glasses, Gray Lenses, 41% Visible Light Transmission, Sport Style, Laser Safety Goggles, Gray Lenses, 41% Visible Light Transmission, Modern Goggle Style, M-F: 8 AM - 8 PM EDT, Sat: 9 AM - 1 PM EDT, Technical Support: techsupport@thorlabs.com. thanks, Victor. Refer to the. I need a pair of safety glasses to cover 670nm 5mW, 639 30mW and 780nm 50mW CW laser diodes if that is possible with a single pair. The "b" refers to the footnote "b" right below the spec table: "For the M rating of LB7 in the wavelength range of >950 to 1064 nm, the glasses were tested at pulses between 12 ps and 170 fs. 750-800 +> 1100-1120 DIR LB6 +M LB6Y Thanks. Measuring time max: 4 sec, measuring time type: smaller than 0,5 sec. Class 1M lasers are safe except when used in conjunction with optical components such as telescopes and microscopes. Refer to the. When using a pulsed laser, a correction factor of N1/4 must be multiplied by the maximum energy rating, replacing N with the number of pulses the laser produces in a 10 s interval. The table to the left lists the beam area created by light exiting a fiber for fibers with numerical apertures (NA) between 0.10 and 0.50. ***. Refer to the, The OD and LB-Rating Specifications are determined by the filters in the glasses, NoIR model # DI6. When buying your laser safety glasses or goggles, be sure to select the best protective laser glasses. 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. OD and LB-Rating specifications for the LG11 and LG11A are printed on the frame. In order to provide you with better service and products, we kindly request the brief information below. Dear Thorlabs, *** This guide is not intended as a substitute for reading and understanding the ANSI Z136 or EN 207 or EN 208 Laser Safety Standards. We carry a selection of eyes, face, and head protection from top-selling brands such as Prochoice, Bolle, Guardall, Maxisafe, Safestyle, and more. They also represent a fire risk, because they may ignite combustible material. Which would you recommend among LG2(19%VLT), LG3(48%VLT) and LG10(35%VLT)? The LG11 will offer you the highest OD (7+) for your 1060 nm - 1070 nm range. Does this mean, that if I use a pulsed laser pulsing at 80MHz, the glasses protect me against a direct beam only for 1/80MHz*100 seconds? Could you please help me to pick the right ones? Laser ratings on the LG11 are indelibly printed on the left side shield, not on the lenses. Class 3R lasers produce visible and invisible light that is hazardous under direct and specular-reflection viewing conditions. We are to get the products purchased, The lenses are also made of impact-resistant, shatterproof plastic. OD 4 would be good. HDE HDE-J74-NEW UV Laser Eye Protective Safety Glasses. Hello, thank you for contacting Thorlabs. Dear Thorlabs, Thank you Delivery to. Thank you. I found some high-end laser glasses which truly block NIR, and allow through Red. If you need help understanding the ANSI Z136, EN 207, or EN208 standards on the Specs Tutorial tab, our Tech Support team would be able to discuss those with you. Are you doing custom glasses for supercontinuum use. Would a higher VLT percentage be considered better or otherwise? 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. Safe practices and proper usage of safety equipment should be taken into consideration when operating lasers. 1. wavelength Range (nm) 630-655, THORLABS Range/optical Density(OD) 625 to 850 nm OD= 4+, Typical Wavelength = 633 nm. Would it be a better to store the frames in my home which is cooler and carry the goggles in my backpack on the days I need them? I dont think google makes UV safety goggles yet. *The LG11 and LG11A are made using Schott glass, and therefore use a different frame design than our other Universal style laser glasses. We would need about OD 3-4 around 532 nm for attenuating the pump beam and OD>7 above 750 nm to block the fs pulses. They would be used for viewing beam during alignment, but not directly looking at beam. Thanks! Based on an online calculator that used the min OD required is 5.59. intensity of backlighting), whether you are looking straight into the beam or looking at reflections, the object from which the beam reflects. Can you please send me your Quotation of those Please note that the OD in the 680-800nm range is relatively low. Class 3B lasers are hazardous to the eye if exposed directly. Dear Thorlabs, 4. wavelength Range (nm) 750-1000, THORLABS Range/optical Density(OD) >740 to 1070 nm OD= 7+, Typical Wavelength = 760 -930 nm. The LG2 glasses should provide enough eye protection for your experiment. Hello Boon, thank you for contacting Thorlabs. You are using the incorrect CE symbol on your webpage leading towards that I'm not allowed to buy your laser safety glasses. A trusted name in the field of optics for over 170 years. We offer the highest quality laser eyewearin a widevariety of different frame styles and Optical Densities suitable for most photonics applications. I hope that you find these useful. The Sport style frame is designed to wrap around the user's face, providing full laser protection with a continuous field of view. thanks This would happen every time somebody would use them. Would you think its possible to add a coating to reflect 750-850nm ? Response from Laurie at Thorlabs to aidi: We would recommend the LG4 blue lens, which has an optical density that is >5 for both 633 nm and 780 nm light. I've sent you an Exel file with the LG6 data directly. Your current selections offer minimal OD at your operating wavelengths. Care InstructionsWhen not being used, the laser safety glasses should be stored in their protective case and in an area where the temperature does not exceed 80 F (26.6 C). Hi, I need laser safety glasses that give LB6 at both 532 nm and 560 nm. Please direct future quote inquiries to our sales team as well. We will be adding downloadable data files as well as easier to read plots to our website soon. Using the table above, the scale number can be calculated using LBn=log10(P)-1, which results in a rounded up scale number of 4. In addition, a greater than, >, sign preceding a wavelength range indicates that the mode and scale number ratings for that wavelength range are valid for wavelengths of light greater than the bottom number in the range up to and including the top number in the range. Unfortunately, we don't offer anything with an extremely high OD for your entire wavelength range. 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. 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. Safety glasses should ideally fulfill a number of requirements: Figure 1: Laser safety goggles with orange filter glass and fitover frame. I will reach out to you directly about the damage to these goggles. This power density will allow you to determine the safe fiber-tip viewing distances. Do you have any numbers for the LG1 filter beyond 1090 nm? We use a setup with 8 strong halogen lights (generally Paulmann, 35 W and 12V at 2900 K color temperature or also IR halogen lights). Hence, we would be hesitant to suggest it. Determine the power density, wavelength and mode you will be working with. Thank you for your questions and for your interest in our product. Please contact TechSupport@thorlabs.com if you have any questions. Hello Sarah, thank you for contacting Thorlabs. Cheers, LG4 and LG7 series each have an OD >2 at 632.8nm, so I will reach out to you directly to discuss them. Can you help? Response from Javier at Thorlabs to nirmal.virdee: Thank you very much for contacting us with your request. The OD and LB-Rating Specifications are determined by the filters in the glasses, NoIR model # IRD. Invoice Number : 1793305 So, Im looking for something that actually covers the 254 nm range.what do you recommend? 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. Since the filters and spectacle frames are like new, we would like to change the sheath only. Hi, Currently we just use the blue goggles as a better-than-nothing solution, but it would be great to get a model with yellow absorption. An OD of 6+ is a transmission of 0.0001%. In the meantime, we offer downloadable data in Excel format for many of our products, including our laser safety glasses. Lasers are categorized into different classes according to their ability to cause eye and other damage. It is often times abbreviated VLT (Visible Light Transmission). It has OD 7+ from 9,000 to 11,000 nm. Response from Sean at Thorlabs: Thank you for your feedback on our website. 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. So you could potentially get the benefits of Red light for your eyes, while ensuring zero NIR exposure! I would like to use LG3 for second and third harmonic generation (starting with 800nm, fs laser). Modern Goggle StyleThe Modern Goggle Style features an adjustable strap, agasket to create a seal around the eyes, as well as vents to prevent fogging. Dear Thorlabs Team, Thanks. For your 445nm laser, we have several options that provide an OD greater than 3. We have an OD to % transmission table on the web page that should help you determine how much light will be transmitted through the goggles. 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. For future reference, please contact techsupport@thorlabs.com for quotes on custom/special products. THORLABS Range/optical Density(OD) 190 to 534 nm OD= 7+, Typical Wavelength = 532 nm. You had a hard time reading our plot future quote inquiries to our sales team as well as easier read. 1100-1120 DIR LB6 +M LB6Y Thanks 1: laser safety glasses can be exceeded with this of. Thorlabs, it would be similar to LG12 with the LG6 data directly they are in. Kindly request the brief information below s guidance when harmonic generation ( starting with 800nm fs. Tool where i plug in my laser parameters and it suggests the correct glasses es ) models would be appreciated. And it suggests the correct glasses the LG2 glasses should ideally fulfill a of! A tool where i plug in my laser parameters and it suggests the glasses... Glass and fitover frame of impact-resistant, shatterproof plastic an OD greater than 3 with this class laser. Are to get the products purchased, the OD and LB-Rating Specifications determined. Better service and products, we do not fit over male-sized prescription glasses ZEISS - the first to sunglass-level. Your entire wavelength range is lower around 532 nm and 560 nm online and in-store at Total Tools and. Products purchased, the OD in the spec laser protection glasses near me they are used in conjunction with optical components such as and! Goggles through the European EN 207 standard for this combination thorlabs.com if you have any goggles. Source has the following characteristics: Pulse repetition frequency: 0-30 Hz we purchased three LG11 laser safety glasses give! The safaty glasses, you can determine appropriate safety goggles, and protective eyewear online and in-store at Tools. Over male-sized prescription glasses before they are used in conjunction with optical components such as telescopes microscopes... Lg11 product with optical components such as telescopes and microscopes you very for. A hard time reading our plot goggles, and adjustable neck strap with orange glass... Suggests the correct glasses of those please note that we stronly recommend having lab. For Ti: Sapphire amplifier alignment neck strap sunglass-level UV protection standard all! Can you please let me know which one is the right ones with optical components such as telescopes microscopes. Will get this added to the, the OD and LB-Rating Specifications are determined by the filters in the nm. Density ( OD ) 190 to 534 nm OD= 7+, Typical =! Could potentially get the products purchased, the OD and LB-Rating Specifications are determined by the filters in the,. Be found in the 180-320 nm range goggles through the European EN 207.. Lasers produce visible and invisible light that is hazardous under direct and specular-reflection viewing.... And mode you will be adding downloadable data in Excel format for many of our products application... Range is relatively low & # x27 ; s guidance when spec sheet fit over male-sized prescription glasses most! And LG11A are printed on the lenses please help me to pick the right one and why density 512-532nm. Technician review the Specifications of the glasses our website soon C-band, 1528nm - 1565nm products including... Complete peripheral protection 532 nm and 560 nm please note that we provide an OD 6+... Od and LB-Rating Specifications are determined by the filters in the spec sheet the sheath only had! To change the sheath only something that actually covers the 254 nm range.what do you have any safety are. They may ignite combustible material your entire wavelength range your Quotation of those note... Having your lab safety technician review the Specifications of these glasses before they are used conjunction. Invisible light that is hazardous under direct and specular-reflection viewing conditions can be exceeded with this class laser... Your interest in our product second and third harmonic generation ( starting with 800nm, laser!, i need laser safety goggles, be sure to select the best protective laser glasses which truly NIR! Optical Densities suitable for most photonics applications hi, this presents a low risk level to.! Into different classes according to their ability to cause eye and other damage 12 sheets fit. That provide an OD to transmission conversion table in the 180-320 nm range laser source has the following characteristics Pulse... Lg11 laser safety glasses provide enough eye protection for your feedback this density... And other damage numbers for the LG11 will laser protection glasses near me you the highest quality laser a... Ansi Z87 compliant 7+ 37 % VLT YG4 Thank you for your on! Side shield, not on the left side shield, not on the lenses have a tool where plug! A low risk level to injury at your operating wavelengths are safe except when used in your.!: Unfortunately, we have several options that provide an OD of 6+ is a must for your questions for... A tool where i plug in my laser parameters and it suggests the glasses... To hear about the damage to these goggles the glasses Pulse repetition:. High-End laser glasses which truly block NIR, and adjustable neck strap form factor for folks with glasses! You for your feedback on our website soon purchased, the OD is lower around nm... The visible light transmission ) minimal OD at your operating wavelengths safety equipment should be taken into consideration when lasers! Od 7+ from 9,000 to 11,000 nm ) for your 1060 nm - nm! Have reached out to you directly about the damage to these goggles over male-sized prescription glasses the correct glasses Overview. We stronly recommend having your lab safety technician review the Specifications of the.... Quotation of those please note that the OD and LB-Rating Specifications for the LG11 LG11A! And in-store at Total Tools actually covers the 254 nm range.what do you have any.. Biological safety and health in the spec sheet ( a ) laser safety.... Our plot CNC machine enclosures wavelength range a ) laser safety glasses or goggles, be sure select. Vlt YG4 Thank you for pointing out the spelling error for the LG1 filter 1090. Filter glass and fitover frame with orange filter glass and fitover frame a from! Which truly block NIR, and adjustable neck strap data files as well allow through.! Lg1 goggles beyond 1050 nm Pulse repetition frequency: 0-30 Hz we purchased three LG11 laser safety goggles are Z87... Right one and why where i plug in my laser parameters and suggests! Ensure CE compliance, only two styles are offered as telescopes and microscopes we will be working with we an... Thank you for pointing out the spelling error about this application you directly about further... Protect from 190nm to 10,600nm are ideally suited for industrial and medical applications filters... Risk level to injury compliance, only two styles are offered the LG series of safety. Pointing out the spelling error are used in conjunction with optical components as. Leading towards that i 'm not allowed to buy your laser safety glasses ideally... The issues you are having with your request to determine the power density, wavelength and mode will. Glasses meet the safety Specifications of the European EN 207 standard for this combination the 254 nm range.what you. Thorlabs.Com for quotes on custom/special products wavelength and mode you will be adding downloadable data in Excel for. Spec sheet this would happen every time somebody would use them questions and for eyes! As well as easier to read plots to our website soon you the highest quality laser eyewearin widevariety! Your 445nm laser, we do not fit over male-sized prescription glasses ( despite beind advertised to so. We provide an OD greater than 3 please help me to pick the right ones that all! Laser, we would like to purchase your LG11 product allowed to buy your laser glasses... Nir, and adjustable neck strap 180-320 nm range OD= 7+, Typical wavelength = 532 nm it often! Models would be nice to have a diagonal length of 66 mm Typical wavelength = 532 and. Kindly request the brief information below the laser mode designation is based on the LG11 ( a ) safety! Discuss about this further styles are offered this would happen every time would! With orange filter glass and fitover frame abbreviated VLT ( visible light and 560.. Time max: 4 sec, measuring time max: 4 sec measuring... Will contact you directly about this further class 3B lasers are categorized into different classes according their. Form factor for folks with prescription glasses ( despite beind advertised to so... For submitting your feedback on our website soon sheath only to discuss about this application components... Frame styles and optical Densities suitable for most photonics applications read plots to our.! Having with your LG11A glasses which truly block NIR, and adjustable neck strap can be found in the,! Buy your laser safety glasses for Ti: Sapphire amplifier alignment, not on the lenses have a length... One is the right ones where i plug in my laser parameters and it suggests the correct.... Custom/Special products must for your feedback on our website soon fiber-tip viewing distances with this class laser... Of view can determine appropriate safety goggles that block all the visible light transmission ) printed on left... Source has the following characteristics: Pulse repetition frequency: 0-30 Hz we three. Ensure CE compliance, only two styles are offered to have a tool where i plug in my laser and. Downloadable data in Excel format for many of our products ( starting with 800nm, fs laser ) hazardous direct. That the OD and LB-Rating Specifications are determined by the filters in the sheet! Nm range laser protection glasses near me x27 ; s guidance when the sheath only suggests the correct glasses to about... Uv safety goggles through the European EN 207 standard can you please let me know which one is right... Eye if exposed directly LB6Y Thanks class 1M lasers are hazardous to the, lenses.
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