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Low price for Plano-Convex Lens - THIN FILM POLARIZER – WISOPTIC

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Low price for Plano-Convex Lens - THIN FILM POLARIZER – WISOPTIC Detail:

Thin film polarizers are made from composed materials which include a polarizing film, an inner protective film, a pressure-sensitive adhesive layer, and an outer protective film. Polarizer is used to change un-polarized beam into linear polarized beam. When the light passes through the polarizer, one of the orthogonal polarization components is strongly absorbed by the polarizer and the other component is weakly absorbed, thus natural light is converted into linearly polarized light.

Polarization optics is important for both intra and extra cavity use. By having high contrast thin film polarizers in their design, laser engineers can save weight and volume within their devices without influencing the output. Compared with polarizing prism, polarizer has larger incident angle and can be made with larger apertures. Compared with polarizers made from birefringent crystals, the advantage of thin film polarizers is that they can be made in very large sizes, therefore can work in a laser device with high power or energy.

WISOPTIC Specifications – Thin Film Polarizers

Material BK7, UVFS
Diameter Tolerance +0.0/-0.15 mm
Thickness Tolerance ± 0.1 mm
Clear Aperture > 90% of central area
Surface Quality [S/D] < 20/10 [S/D]
Transmitted Wavefront Distortion λ/10 @ 632.8 nm
Parallelism ≤ 30”
Extinction Ratio (Tp/Ts) > 200:1
  Coating   High LDT coating upon request
  Laser Damage Threshold 10 J/cm² @ 1064 nm, 10 ns, 10 Hz

Comparison of Different Materials of Polarizers

YVO4 Calcite α-BBO Quartz
Transparency Band 500-4000 nm 350-2300 nm 220-3000 nm 200-2300 nm
Crystal Type (uniaxial) Positive
no=na=nb, ne=nc
Negative
no=na=nb, ne=nc
Negative
no=na=nb, ne=nc
Positive
no=na=nb, ne=nc
Mohs Hardness 5 3 4.5 7
Thermal Expansion Coefficient aa=4.43×10-6/K
ac=11.37×10-6/K
aa=24.39×10-6/K
ac=5.68×10-6/K
aa=4×10-6/K
ac=36×10-6/K
aa=6.2×10-6/K
ac=10.7×10-6/K

glt
glt-2
polarizer-3


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Low price for Plano-Convex Lens - THIN FILM POLARIZER – WISOPTIC detail pictures

Low price for Plano-Convex Lens - THIN FILM POLARIZER – WISOPTIC detail pictures

Low price for Plano-Convex Lens - THIN FILM POLARIZER – WISOPTIC detail pictures


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As for aggressive costs, we believe that you will be searching far and wide for anything that can beat us. We can state with absolute certainty that for such high-quality at such rates we have been the lowest around for Low price for Plano-Convex Lens - THIN FILM POLARIZER – WISOPTIC, The product will supply to all over the world, such as: Sri Lanka, Johor, Slovakia, We have established long-term, stable and good business relationships with many manufacturers and wholesalers around the world. Currently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details.
  • Reasonable price, good attitude of consultation, finally we achieve a win-win situation,a happy cooperation!
    5 Stars By Sally from Malta - 2018.07.12 12:19
    Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
    5 Stars By Athena from Costa rica - 2018.06.18 19:26

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