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Germanium Optical Windows

Product Description: 

Optical windows are optical materials with polished surfaces that are relatively parallel. They are used to isolate different physical environments while allowing a light beam to pass.

You may refer to this page http://http://www.pmoptics.com/germanium.html for material properties.

 

Specification: 

Materials   Optical Grade Germanium
Dimensional Tolerance ± 0.1mm
Flatness λ/2 @ 632.8nm
Surface Quality 40 ~ 20
Clear Aperture 85%
AR coating   Specified by customer

 

Optical grade Germanium window, diameter: 7.5mm, thickness: 1.0mm in stock, PGOW-000080112 ($18.0): 

 
 

 
Uncoated, Surface quality: 40~20, Cear Aperture 85%. Contact us for quantity pricing.

 

Optical grade Germanium window, diameter: 10.0mm, thickness: 1.0mm in stock, PGOW-000080212 ($20.0): 

 
 

 
Uncoated, Surface quality: 40~20, Cear Aperture 85%. Contact us for quantity pricing.

 

Optical grade Germanium window, diameter: 12.0mm, thickness: 1.0mm in stock, PGOW-000080312 ($25.0): 

 
 

 
Uncoated, Surface quality: 40~20, Cear Aperture 85%. Contact us for quantity pricing.

 

Optical grade Germanium window, diameter: 25.4mm, thickness: 1.0mm in stock, PGOW-000080412 ($32.0): 

 
 

 
Uncoated, Surface quality: 40~20, Cear Aperture 85%. Contact us for quantity pricing.

 

Ordering Information:

    P    G
  O   W

       
  X 
   
  X 
  X   
           

A

 

B

 

C

 

D

 

E

 
     

A

 Wavelength

1550 = 1550 nm  
 0980 = 980 nm
 
 XXXX = Your Application Wavelength  
 

B

 Material

 8 = Optical Grade Germanium
 
   0 = Special  
 

C

 Dimensions

 01 = Φ7.5 mm X 1.0mm  
   Check Standard Size Table Below  
   00 = Custom Dimensions  
 

D

 Shape

1 = Circular
 
   2 = Square  
 

E

 Coating

1 = Yes  
   2 = No  

 

Standard Size Table :  

  Dimensions P/N
L X H X W (mm) or Φ X t (mm)
  01
Φ7.5 X 1.0
  02
 Φ10.0 X 1.0
  03
Φ12.0 X 1.0
  04
Φ25.4 X 1.0
  05
25.4 X 25.4 X 1.0

 

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