Opto-Physics Polarizers
These polarizers are offered from stock on BaF2, CaF2, KRS-5 and ZnSe substrates, in standard 25 or 50mm support rings. They are manufactured at 2500 lines/mm, to provide acceptable polarization performance at an economical price.
Specifications
| Wire Grid Spacing |
2500 lines/mm |
|
| Mounting Ring Diameters |
25.0 +0.0/-0.2 mm 50.0 +0.0/-0.2 mm |
|
| Mounting Ring Thickness |
5.0 ±0.1 mm (ø 25 mm) 6.0 ±0.1 mm (ø 50 mm) |
|
| Polarizer Clear Aperture |
18.0 ±0.1 mm (ø 25 mm) 34.0 ±0.1 mm (ø 50 mm) |
|
| Substrate Thickness |
2.0 +0.0/-0.2 mm (ø 25 mm) 4.0 +0.0/-0.2 mm (ø 50 mm) |
| Substrate Material |
Wavelength (μm) / Wavenumber (cm-1) |
Typical Extinction Ratio (K1/K2) |
||
| KRS -5 |
2.5 / 4000 5 / 2000 10 / 1000 |
100 300 300 |
||
| CaF2 |
2.5 / 4000 5 / 2000 10 / 1000 |
100 300 300 |
||
| BaF2 |
2.5 / 4000 5 / 2000 10 / 1000 |
100 300 400 |
||
| ZnSe |
2.5 / 4000 5 / 2000 10 / 1000 |
100 300 400 |
Ordering Information
| Part Number |
Substrate Material |
Mounting Ring Diameter (mm) |
||||
| GS57500 |
KRS-5 |
25 |
||||
| GS57501 |
CaF2 |
25 | ||||
| GS57502 | BaF2 | 25 | ||||
| GS57503 | ZnSe | 25 | ||||
| GS57504 | KRS-5 | 50 | ||||
| GS57505 |
CaF2 |
50 | ||||
| GS57506 | BaF2 | 50 | ||||
| GS57507 | ZnSe | 50 |
