Laser Shielding Low Power Laser Viewing Window 920

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$55.00 - $528.00


920 series Low Level Laser Safety Window is an acrylic window with specifically engineered dyes that protects from certain laser wavelengths and proves a maximum optical density of 4+. This laser safety windows offers protection primarily from Class 2 and Class 3 laser systems operating between 360-610 nm. This product is available in custom sizes. Laser windows can be custom cut, molded, and drilled to your CAD specifications for use in enclosures or machine windows. This low level laser safety window may provide protection from other laser wavelengths not listed. Please see Product Information for additional information about this filter or contact us. Filter specifications can be permanently engraved on the window. Custom sizes and shapes available.This laser safety viewing window meets and/or exceed US ANSI Z136 standards for use with lasers.  WARNING: THIS LASER WINDOW IS NOT FOR USE WITH CLASS IV (4) LASER SYSTEMS!

Optical Density Specifications



OD 3+ @ 360-439 nm
OD 4+ @ 439-556 nm
OD 3+ @ 557-565 nm
OD 2+ @ 565-600 nm
OD 1+ @ 601-610 nm
Dark Red Acrylic



All our laser safety windows meet or exceed the United Stated industry standard ANSI Z136.1, the requirements for use with the appropriate laser systems. For more information onLaser Safety Standards OrganizationsANSI, see here. We are proud to be one of two approved laser safety window providers to the United States Army for "M1 Abrams" or the 3rd generation U.S. tank.


File:PDF file icon.svg  Specification Sheet  - Laser Window 920 Laser Safety Windows Buyers Guide   Aiming Beam vs Operating beam


What is Visible Light Transmission?  Visible Light Transmission How to Read Optical Density Notation How to protect myself from lasers?

Proper Laser Safety and where PPE fits-in


What is Maximum Permissible Exposure? Diffused vs Direct Viewing of a Laser

Continuous vs Pulsed Laser

Other Laser Safety PPE

Laser Safety Glasses Laser Safety Curtain Laser Safety Curtains Laser Safety Barrier

Laser Safety Barriers


minneapolis-minnesota-state-sticker.jpg Manufactured in Minneapolis, MN, USA.  More about us here.  
LSO's (Laser Safety Officer) need to consider working environments, viewing conditions and beam delivery systems when making assessments and determining the correct laser glasses to protect against potentially hazardous laser radiation. Do not operate lasers without correct protective equipment and training. Laser Safety Vieweing Windows are not intended to replace laser protective eyewear (laser glasses or laser goggles) or other laser safety products that maybe required. Contact us or your certified laser safety officer for more information.

Extra Information

Laser Sheet Category:
Low Level
Safety Products:
Laser Windows
Optical Density (OD) Specification:
OD 3+ @ 360-439 nm OD 4+ @ 439-556 nmOD 3+ @ 557-565 nm OD 2+ @ 565-600 nmOD 1+ @ 601-610 nm