BK7 glass optical material equivalent to Chinese K9 Glass by Redoptronics.com at guaranteed low price

   
   

 

 
 

BK7 Glass

Optics >>> Optical Material >>> BK7

BK7 is a borosilicate crown optical glass with high homogeneity, low bubble and inclusion content. Its good physical and chemical properties make it 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. 

BK7 Properties:

  • Transmission range: 330 nm~2100 nm
  • Thermal Expansion Coefficient: 7.5X10-6 /K
  • Density: 2.51 g/cm3

Transmission curve:    

    

Toll Free(U.S.) 888.309.5061 Fax 650.618.2057

   

Copyright 2010 Red Optronics.  All Rights Reserved.