Window Specifications:
– Diameter: 2″
– Thickness: 0.375″
– Coated: unknown wavelength
– Material: glass.

***MPN
***OEM
***SKU*** 39250

BRC/BLI Broomer RES/LAB Laser Grade Window

– Specifications:
– Diameter: 2″
– Thickness: 0.385″
– Coated: Polarizing, unknown wavelength
– Material: glass

***MPN
***OEM Broomer Labs
***SKU*** 39249

CVI Melles Griot Optical window specifications:
– Diameter: 2″
– Thickness: 0.385″
– Coated: unknown wavelength
– Material: glass
– Flat.

***MPN
***OEM Melles Griot
***SKU*** 39248

CVI Melles Griot PW-1025-C Laser Grade Window.

Specifications:
– 2″ diameter
– 3/8″ thick
– Coated one side: Rmax 3080, 45 degrees “S”
– Transmitted wavefront error @633 nm: 1/10 wave
– Surface quality: 10-5
– Arc minutes: < or = 5
– Fused silica
– Note: Coating has a small 1/8" diameter dot of damage near edge

***MPN PW-2037-UV
***OEM Melles Griot
***SKU*** 39235

CVI Melles Griot PW-1025-C Laser Grade Window.

Specifications:
– 1″ diameter
– 1/4″ thick
– Coated one side: 1064 nm, 45 degrees “P”
– Transmitted wavefront error @633 nm: 1/4 wave
– Surface quality: 10-5
– Arc minutes: < or = 5
– BK7

***MPN PW-1025-C
***OEM Melles Griot
***SKU*** 39230

CVI Melles Griot PW1-4050-C High Power Laser Grade Window.

Specifications:
– 4″ diameter
– 1/2″ thick
– Coated one side: unknown wavelength
– Transmitted wavefront error @633 nm: 1/10 wave
– Surface quality: 10-5
– Extremely parallel, < or = 10 seconds of arc
– BK7

Per manufacturer website: PW1 windows are polished on two sides, with a wedge of less than or equal to 10 arc seconds and are manufactured to handle high power applications. They form the foundation for several coated products, such as, W1, W2, beamsplitters, output couplers, harmonic separators, dichroic mirrors, and partial reflectors.

This window has a large subsurface crack extending 2/3 the diameter to the outer edge.

***MPN PW1-4050-C
***OEM Melles Griot
***SKU*** 39224

This is a CVI Melles Griot PW1-4050-C High Power Laser Grade Window.

Specifications:
– 4″ diameter
– 1/2″ thick
– Coated one side: unknown wavelength
– Transmitted wavefront error @633 nm: 1/10 wave
– Surface quality: 10-5
– Extremely parallel, < or = 10 seconds of arc
– BK7

Per manufacturer website: PW1 windows are polished on two sides, with a wedge of less than or equal to 10 arc seconds and are manufactured to handle high power applications. They form the foundation for several coated products, such as, W1, W2, beamsplitters, output couplers, harmonic separators, dichroic mirrors, and partial reflectors.

Optical Window 0.75".

BMI Surplus, Inc. has a huge inventory of used, new, pre-owned and recycled Optical Windows & Flats for sale.
We will work with you individually to find the perfect set up for your application.

Buy online or give us a call at 781-871-8868. We have experienced customer service representatives standing by ready to help you!

BMI Surplus, Inc. is a dealer in used and sometimes new Surplus Scientific & Industrial Equipment – we cater to clients in search of items to be used for specific applications.
We do not offer a guarantee as many of our items are purchased by professionals in need of parts and pieces.
You will find many of our items listed on our website as untested or as parts or repair units even though in they are in good used condition.

**Shipping, Handling & Freight fees are dependent on your location.
We will provide a freight quote to meet your individual needs and work with you if you prefer to use your own carrier.
We have 32 years of experience shipping sensitive scientific instruments & industrial equipment!

Don't see what you are looking for? Use our orange search box on the top right hand corner of this page to customize your search.

***MPN PW1-4050-C
***OEM Melles Griot
***SKU*** 39216

Optical window specifications:
– Diameter: 75 mm
– Thickness: 6 mm
– Uncoated
– Material: BK-7
.

***MPN
***OEM
***SKU*** 39204

This is a Van Keuren G-6137 Optical Flat 6″.
– Bottom: 3V..

BMI Surplus, Inc. has a huge inventory of used, new, pre-owned and recycled Optical Windows & Flats for sale.
We will work with you individually to find the perfect set up for your application.

Buy online or give us a call at 781-871-8868. We have experienced customer service representatives standing by ready to help you!

BMI Surplus, Inc. is a dealer in used and sometimes new Surplus Scientific & Industrial Equipment – we cater to clients in search of items to be used for specific applications.
We do not offer a guarantee as many of our items are purchased by professionals in need of parts and pieces.
You will find many of our items listed on our website as untested or as parts or repair units even though in they are in good used condition.

**Shipping, Handling & Freight fees are dependent on your location.
We will provide a freight quote to meet your individual needs and work with you if you prefer to use your own carrier.
We have 33 years of experience shipping sensitive scientific instruments & industrial equipment!

Don’t see what you are looking for? Use our orange search box on the top right hand corner of this page to customize your search.

***MPN G-6137
***OEM Van Keuren
***SKU*** 38423

Optical Window specifications:
– Diameter: 4″
– Thickness: 0.5″
– Notes: Window has no markings to indicate manufacturer or model number. The window appears to be laser grade and is coated on both sides (possibly a mirror or beamsplitter application?). The condition of the window is perfect with no blemishes

***MPN
***OEM
***SKU*** 38916

Germanium GE Optical Window specifications:
– 1.5″ diameter
– 4 mm thick
– Coated: unknown wavelength
Notes: The window has some surface scratches and a small edge chip.
***MPN
***OEM
***SKU*** 38896

This item is a lot of four optical mirrors and windows. These optics will need to be resurfaced – selling as parts.
Descriptions:
– Optical mirror: 3.4″ diameter, 0.93″ thick, metallic coating, flat, surface is severely scratched
– Optical window: 2″ diameter, 1.6″ thick, flat, both surfaces are scratched, edges have small chips
– Optical window: 4″ diameter, 0.8″ thick, flat, surface is severely scratched from improper cleaning
– Optical mirror: 3.7″ diameter, 0.46″ thick, concave, surface is severly scratched
***MPN
***OEM
***SKU*** 37468