Optical filters are used to screen or filter special bands, and are widely used in optical equipment, industrial measurement, environmental protection and other fields. We provide long-wave pass filters, narrow-band filters, band-pass filters, colored glass filters, etc. Size and coating requirements can be customized.
|
Material |
Fused Silica, Color Glass BK7 |
|
Dimensional tolerance |
+0.0 ，-0.2mm |
|
Parallelism |
<3 arc minute |
|
Clear aperture |
Central 90% |
|
Face shape |
＜λ/4@633nm |
|
Smoothness |
60/40 scratch/dig |
|
Material |
Fused Silica, Color Glass BK7 |
|
Dimensional tolerance |
+0.0 ，-0.2mm |
|
Parallelism |
<3 arc minute |
|
Clear aperture |
Central 90% |
|
Face shape |
＜λ/4@633nm |
|
Smoothness |
60/40 scratch/dig |
