Teflon Polarizer

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

 

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.