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Factory source Filters - THIN FILM POLARIZER – WISOPTIC

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Our business promises all users of the first-class items and the most satisfying post-sale company. We warmly welcome our regular and new prospects to join us for Linbo3, Polarization Beam Splitter, Aesthetic Laser Components, We attend seriously to produce and behave with integrity, and by the favor of customers at home and abroad in the xxx industry.
Factory source Filters - 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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Factory source Filters - THIN FILM POLARIZER – WISOPTIC detail pictures

Factory source Filters - THIN FILM POLARIZER – WISOPTIC detail pictures

Factory source Filters - THIN FILM POLARIZER – WISOPTIC detail pictures


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Our target should be to consolidate and improve the high-quality and repair of current goods, in the meantime regularly produce new solutions to meet unique customers' needs for Factory source Filters - THIN FILM POLARIZER – WISOPTIC, The product will supply to all over the world, such as: Palestine, Morocco, Jamaica, We have developed large markets in many countries, such as Europe and the United States, Eastern Europe and Eastern Asia. Meanwhile with the powerful predominance in persons with ability, strict production management and business concept.we constantly carry on self-innovation, technological innovation, managing innovation and business concept innovation. To follow the world markets fashion, new products are kept on researching and providing to guarantee our competitive advantage in styles, quality, price and service.
  • The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Karen from Detroit - 2017.08.18 11:04
    Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
    5 Stars By Faithe from Japan - 2018.11.11 19:52

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