Optical Specifications
|
Value |
Transmission Band 1
|
Tavg > 93% 749 – 790 nm |
Blocking Band 1
|
ODavg > 5 200 – 730.5 nm |
Blocking Band 2
|
OD> 3.5 801.5 nm |
Blocking Band 3
|
ODavg > 10 813.5 – 850.5 nm (Design specification - measurements are noise-floor limited) |
Blocking Band 4
|
ODavg > 4.5 850.5 – 925 nm |
Blocking Band 5
|
ODavg > 2 925 – 1100 nm |
Center Wavelength 1
|
769.5 nm |
Guaranteed Minimum Bandwidth 1
|
41 nm |
FWHM Bandwidth 1 (nominal)
|
49.3 nm |
General Filter Specifications
|
Value |
Angle of Incidence
|
0 ± 5 degrees |
Cone Half-angle
|
7 degrees |
Optical Damage Rating
|
Testing has proven to show no signs of degradation when exposed to at least 6.0 W of power from an unfiltered xenon arc lamp over a 25 mm diameter (corresponding to 1.2 W/cm2) for over 500 hours. |
Physical Filter Specifications
|
Value |
Transverse Dimensions (diameter)
|
25 mm |
Transverse Tolerance
|
+ 0.0 / – 0.1 mm |
Filter Thickness (mounted)
|
5.0 mm |
Filter Thickness Tolerance (mounted)
|
± 0.1 mm |
Clear Aperture
|
≥ 21 mm |
Scratch-Dig
|
60-40 |
Filter Thickness (unmounted)
|
2.0 mm |
Filter Thickness Tolerance (unmounted)
|
± 0.1 mm |
Orientation
|
Arrow on ring indicates preferred direction of propagation of light |