|
Grooves per mm
(view) |
Blaze Wavelength |
Type |
Recommended Wavelength Range |
Comments |
|
2400 |
250nm |
H |
200nm – 675nm |
Optimum resolution in UV |
|
1800 |
250nm |
H |
200nm – 900nm |
High resolution, low scatter in UV-VIS |
|
1800 |
500nm |
R |
200nm – 900nm |
High resolution, high efficiency in UV-VIS |
|
1200 |
500nm |
R |
250nm – 1200nm |
High efficiency in UV-VIS-NIR |
|
1200 |
750nm |
R |
350nm – 1200nm |
Night vision compatibility testing |
|
830 |
1.2µm |
R |
500nm – 1.8µm |
Optimum for 1.1µm to 1.8µm |
|
600 |
1.6µm |
R |
0.8µm – 2.5µm |
Fibre spectral loss |
|
300 |
3.0µm |
R |
1.5µm – 5.5µm |
General purpose IR |
|
150 |
4.0µm |
R |
2.4µm – 8.0µm |
Recommended 3µm to 5µm |
|
100 |
9.0µm |
R |
4.5µm – 16.2µm |
General purpose IR |
|
75 |
12.0µm |
R |
6µm - 21µm |
Recommended 8µm to 14µm |
|
50 |
18.0µm |
R |
9µm - 27µm |
General purpose IR |
|
Gratings for Array Detectors |
|
150 |
- |
H |
540nm |
Spectral range with 25mm array |
|
300 |
- |
H |
270nm |
Spectral range with 25mm array |
|
600 |
- |
H |
135nm |
Spectral range with 25mm array |
