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Location: Main > Optical Substrates > BK7 Substrates Plates Wafers > BK7S-C-R-0270-0100-B45
Name: DIA27.0xT1.0mm BK7 Glass Disc(45deg-Bevelled)
P/N: BK7S-C-R-0270-0100-B45
Keywords:Dia27.0xT1.0mm,BK7,40-20 S/D,45-deg bevelled
Unit Price: S$12.50/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.

BK7S  BK7 Optical Glass
C     40-20 Scratch and Dig (Double Side Typ.)
      < Lambda/10 @ 632.8nm over 1-inch areaon-jig tested

C-Grade BK7 substrates, plates, slides, wafers and windows are good coating substrates.
Substrate Material:  BK7 optical glass
Outer Diameter:  27.0,-0.2/+0.0mm
Thickness:  1.0,+/-0.1mm
Surface Quality:  Double side polished (40-20 scratch and dig, MIL Standard)
Flatness:  < Lambda/10 @ 632.8nm over 1-inch area on-jig tested
Edge Surface:

45-deg sharp bevelled, ground surface

Bottom surface with DIA27.0mm, while top surface with DIA25.0mm 

Chamfer/Chip:  <0.15mmx45deg protection chamfer; Chip <0.1mm
 
 
 
 
 
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