Teflon Polarizer
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Download IR Polarizers Datasheet (PDF, 552 KB) |
| Substrate material | Fluorineplast ( teflon ) | |
| Spectral range, mm | 1.5 - 7 | 2 - 7 |
| Typical operation aperture, mm | 25 | |
| Standard holder size at typical aperture, mm |
D42 x 8 or D34.9 x 7.9 | |
| Maximal operation aperture, mm | 80 | 100 |
| Grooves per mm | 2400 | 1200 |
| Transmission efficiency K1, % | 75 - 85 | 75 - 80 |
| Transmission of unwanted radiation K2, % | <1 @ 1.5 mm <0.5 @ 2 mm <0.1 @ 3-7 mm |
<2 @ 1.5 mm <0.1 @ 3 mm |
| Degree of polarization (K1-K2)/(K1+K2), % | >97 @ 1.5 mm >99 @ 2-7 mm |
>97 @ 2 mm >99 @ 3-7 mm |
| Extinction ratio E=K1/(2*K2) | 40-45 @ 1.5 mm 70-85 @ 2 mm 380-430 @ 3-7 mm |
>40 @ 1.5 mm 380-400 @ 3 mm |
Standard items can be ordered from our stock. The polarizers with non-standard sizes, shape and operational wavelength region are available on request.
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