Narrow band filter
|
Material
|
BK7 or UV fused silica
|
|---|---|
|
Diameter Tolerance
|
+0/-0.15mm
|
|
Thickness Tolerance
|
±0.25mm
|
|
Clear Aperture
|
＞Central 90% of diameter
|
|
Parallelism
|
＜30″
|
|
Surface Quality
|
20/10
|
|
Transmitted Wavefront
|
λ/8
|
|
Chamfers
|
0.25-0.75mm x 45°±15°
|
|
Incidence angle
|
0°
|
|
FWHM
|
10nm
|
|
center wavelength
|
±1nm
|