Ge Polarizer

Download IR Polarizers Datasheet (PDF, 552 KB)

Substrate material	Ge
Spectral range, mm	8 - 14
Typical operation aperture, mm	25 x 25
Standard holder size at typical aperture, mm	D42 x 8
Maximal operation aperture, mm	50 x 50/D 50
Grooves per mm	1200
Transmission efficiency K1(average), %	>50 (back side AR coated)
Transmission of unwanted radiation K2, %	<0.1 @ 10 mm
Degree of polarization (K1-K2)/(K1+K2), %	>99 @ 10 mm
Extinction ratio E=K1/(2*K2)	>250 @ 10 mm (AR coated)

Transmission efficiency K1

Transmission of unwanted radiation K2

Degree of polarization P

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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