BK7 Optical Glass

Valley Design Corp. logo and image map In Stock Now page valleydesign.com valleydesign.com Valley Design Lapping page Valley Design Dicing page Valley Design Flat Optics page Valley Design Polishing page Valley Design All Materials page

Optical glass with high transmission, can be selected nearly free of bubbles and inclusions and has very good homogeneity (down to 1x10-6)


Thermal/Mechanical Properties

Density (at 20 °C/68 °F): 2.51 g/cm 3
Thermal Coefficient of Expansion (20/300 °C): 7.0 x 10-6/°C
Strain Point:°C/ °F
Annealing Point:°C/ °F
Softening Point:°C/ °F

Optical Properties

Refractive Index(l=582.1nm): 1.509
Optical transmission

Chemical Properties

Hydrolytic resistance: class 2
Acid resistance: class 1
Alkali resistance: class 2

Electrical Properties

Dielectric Constant: E=

Return to Home Page Optical polishing, lapping, dicing and optical components polishing

Updated: 10 January 2011

REQUEST A QUOTE

VALLEY DESIGN NEWS

CONVERSION CALCULATOR

Site Search
 

Advanced Search
Powered by KSearch 1.5b

Valley Design East
Two Shaker Road, Bldg. E-001
Shirley, MA 01464
Phone: 978.425.3030
Fax: 978.425.3031 		Site Map | Affiliate Sites

E-mail: info@valleydesign.com
Germany Sales: germany@valleydesign.com
France Sales: france@valleydesign.com
Valley Design West
Santa Cruz, CA 95060
Phone: 831.420.0595
Fax: 831.420.0592
Return to top of page ISO logo
© 2012 Valley Design Corp. All Rights Reserved