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Location: Main > Optical Substrates > BK7 Substrates Plates Wafers > BK7S-IR-06500570-S0100-T25.0
Name: 65.0x57.0xT25.0mm Irregular BK7 Window(60-40 S/D)
P/N: BK7S-IR-06500570-S0100-T25.0
Keywords:65.0x57.0xT25.0mm,BK7,Base T15mm,3-side steps,2xC5
Unit Price: S$295.00/pc
Available: In stock
Request: Add to Request List
Introduction:
BK7 Glass is a borosilicate crown optical glass with high homogeneity, low bubble and inclusion content. Its good physical and chemical properties make BK7 Glass widely used in visible and near IR range. Most of windows, lenses and prisms, which used in laser, optical system, optical communication, are made from BK7 Glass.

Substrate Material:
BK7 Glass, A-grade
Outer Dimensions
65.0x57.0, -0.2/+0mm
Total Thickness:
25.0, -0.2/+0mm (step design: per drawings below); Dimension tolerance -0.1/0mm typ
Surface Quality:
Optical surfaces: A +B
Double side polished (60-40 scratch and dig, MIL Standard); Imaging grade
Flatness:
<Lambda/4 @ 632.8nm over every 25mm on both surfaces(A and B)
Parallelism:
<3 arc minutes
Chamfer:
Protection chamfers 0.5mm x 45deg; 2 coners with 5.0mm x 45-deg chamfers plus 2xR5.0mm as indicated in drawing.
Side/Step Surfaces:
Ground only
Minimum of Qty:
NA

 
 
 
 
 
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