Polarization filter 80 in rotary mount

Thin sheet polarizer without plastic protective film, directly cemented between plano cover glass


• Ideal for stress analysis and polarimetry
• Sizable free aperture
• Linear polarizing
• Glass filter

• Usable wavelength range: 450-700 nm
• Mean transmittance of single filter for unpolarized white light ≈ 42 % @546 nm
• Resultant transmittance of two filters, E-vector direction parallel (D_P) > 36.4 % @546 nm
• Resultant transmittance of two filters, E-vector directions crossed (D_S) < 0.004 % @546 nm
• Extinction ratio 1:9,000 @546 nm
• Degree of linear polarization > 99.98 % @546 nm
• Max. long-term temperature ≈ 70 °C
• Rotary mount with 1°-scale
• 2.5 mm thick
• Free aperture: 78 mm
• Mounting options: central M6 tapped hole, 2xM4 / 50 mm centers