| |
Special Properties |
| ¡¤ High quality optical glass
|
| ¡¤Practically bubble and inclusion
free |
| ¡¤ Very clear and colorless
appearance |
| ¡¤ Economy |
|
|
| |
Typical Applications |
| ¡¤General optical applications
|
| ¡¤ Mirror substrates |
| ¡¤Substrates for mirror coatings
|
| ¡¤Substrate for filter coatings
|
|
| |
| |
Technical Specifications For BK7 Optical glass
Material |
|
| |
|
| Laser Optex provide two level BK7
optical window from the stock. |
|
BK7
Windows
|
High
Precision
|
High
Precision
|
|
Specifications
|
|
|
|
Diameter Tolerance
|
+0.0/-0.1mm
|
+0.0/-0.1mm
|
|
Thickness tolerance
|
¡À0.2mm
|
¡À0.2mm
|
|
Clear Aperture
|
>80%
|
>80%
|
|
Parallelism
|
<10 seconds
|
3'
|
|
Surface Quality
|
10-5 scratch and dig
|
60-40 scratch and dig
|
|
Wavefront Distortion
|
¦Ë/10
per 25mm at 632nm
|
¦Ë per 25mm at 632nm
|
|
Bevel
|
< 0.35mm¡Á45¡ã
|
<0.35mm¡Á45¡ã
|
|
| |
|
| |
| Standard stock |
|
High
Precision
|
Standard
|
|
Part No.
|
Dimension mm
|
Part No.
|
Dimension mm
|
|
BKH106
|
¦µ10¡Á6
|
BKS103
|
¦µ10¡Á3
|
|
BKH106
|
¦µ25¡Á6
|
BKS153
|
¦µ15¡Á3
|
|
BKH5010
|
¦µ50¡Á10
|
BKS251
|
¦µ25¡Á1
|
|
|
|
BKS252
|
¦µ25¡Á2
|
|
|
|
BKS253
|
¦µ25¡Á3
|
|
|
|
BKS503
|
¦µ50¡Á3
|
| |
| Note:
Other sizes and coatings are available upon request. |
| |
|
