Dichroic Sheet Polarizer

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High contrast dichroic sheet polarizer is made of dichroic film sandwiched by two glass plates. When a natural beam transmits through the dichroic material, one of the orthogonal polarization component of the beam is strongly absorbed and the other goes out with a weak absorption. So, dichroic sheet polarizer can be used to convert randomly polarized beam into linearly polarized beam. Compared with polarizing prisms, dichroic sheet polarizer offers a much bigger size and acceptable angle, but it can not be used in high power applications.


  •  Working Wavelength 400-700nm

  • High Extinction Ratio >1000:1

  • Large Size Available

  • Acceptable Angle >20Deg

  • RoHS Compliant


Substrate Material BK7 or B270
Dimension Tolerance +0/-0.2 mm
Thickness around 2.5 mm
Surface Quality 60/40 scratch and dig
Clear Aperture >90 %
Acceptable Angle >20 deg
Working Wavelength 400-700 nm
Extinction Ratio >1000:1
Single Transmission for Parallel Polarized            Beam >70 % @ 632.8 nm
Coating No
Damage Threshold >10 W/cm2 Continuous Pass, >1 W/cm2 Continuous Block


Product Number Dimension[mm] Wavelength[nm] Extinction Ratio Tp/Ts AR Coating Direction[°] Cart
DSP001 12.7 400-700 1000 / /
DSP002 25.4 400-700 1000 / /
DSP003 50.8 400-700 1000 / /