Near-infrared Sheet Polarizer / SPFN-30C-26

By the use of dichroic dye film, a good linear polarization can be obtained in a wide range. The sheet polarizer can be used in the basic polarization experiments which do not require high precision, and adjustment of the light intensity.
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◦Since the polarizing film is sandwiched between the protective glass plate, it hardly gets scratched, and dirt can be wiped off.
◦Because it is mounted in the frame, the handling of the optics and mounting in the holder is easy.
◦There are products offer for three wavelength ranges, Visible, UV and Near Infrared.
◦Since the anti-reflection film is applied on both sides the stray light and back reflection to the light source is reduced.
More Information
Catalog Code W3037
RoHS Yes
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Guide ▶A sheet polarizer other than the size listed on-line or in our catalog, or without the frame are also available.
▶If there is a request for specific transmittance, extinction ratio or wavelength range
Attention ▶A change in the incident angle may also change the extinction ratio of the linearly polarized transmitted light.
▶Separation angle will vary depending on the wavelength. Please confirm the wavelength characteristic graph for separation angle.
▶Because of natural calcite crystals, there are individual differences, and variations in quality.
Specifications ""
MaterialDicrhoic dye film Sheet glass (Quartz glass for NSPFU) Film laminated between optical glasses
CoatingBoth surfaces ; Antireflection Coating
Housing MaterialAluminum (Finishing ; Black Anodized)
Wavelength Range760 - 2000nm
Diameter of frame φAφ30mm
Clear aperture φDφ24mm
Thickness t3mm