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Hot-selling Rod Lens - WAVE PLATE – WISOPTIC

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Hot-selling Rod Lens - WAVE PLATE – WISOPTIC Detail:

A wave plate, also called a phase retarder, is an optical device that changes the polarization state of light by generating an optical path difference (or phase difference) between two mutually orthogonal polarization components. When the incident light passes through wave plates with different types of parameter, the exit light is different, which may be linearly polarized light, elliptically polarized light, circularly polarized light, etc. At any particular wavelength, the phase difference is determined by the thickness of the wave plate.

Wave plates are commonly made of birefringent material with precise thickness such as quartz, calcite or mica, whose optical axis is parallel to the wafer surface. Standard wave plates (including λ/2 and λ/4 wave plates) are based on air-spaced construction that allows their use for high-power applications with damage threshold higher than 10 J/cm² for 20 ns pulses at 1064 nm.

Half (λ/2) Wave Plate

After passing through the λ/2 wave plate, the linearly polarized light is still linearly polarized, however, there is angle difference (2θ) between the vibration plane of the combined vibration and the vibration plane of the incident polarized light. If θ=45°, the vibration plane of the exit light is perpendicular to the vibration plane of the incident light, that is, when θ=45°, the λ/2 wave plate can change the polarization state by 90°.

Quarter (λ/4) Wave Plate

When the angle between the incident vibration plane of polarized light and the optical axis of the wave plate is θ=45°, the light passing through the λ/4 wave plate is circularly polarized. Otherwise, after passing through the λ/4 wave plate, a circularly polarized light will be linearly polarized. A λ/4 wave plate has equal effect with a λ/2 wave plate when it allows the light to pass through twice.

WISOPTIC Specifications – Wave Plates

  Standard High Precision
Material Laser-grade crystalline quartz
Diameter Tolerance +0.0/-0.2 mm +0.0/-0.15 mm
Retardation Tolerance ± λ/200 ± λ/300
Clear Aperture > 90% of central area
Surface Quality [S/D] < 20/10 [S/D] < 10/5 [S/D]
Transmitted Wavefront Distortion λ/8 @ 632.8 nm λ/10 @ 632.8 nm
Parallelism (single plate) ≤ 3” ≤ 1”
  Coating   R<0.2% at central wavelength
  Laser Damage Threshold 10 J/cm² @ 1064 nm, 10 ns, 10 Hz

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Hot-selling Rod Lens - WAVE PLATE – WISOPTIC detail pictures

Hot-selling Rod Lens - WAVE PLATE – WISOPTIC detail pictures


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With this motto in mind, we've got develop into amongst one of the most technologically innovative, cost-efficient, and price-competitive manufacturers for Hot-selling Rod Lens - WAVE PLATE – WISOPTIC, The product will supply to all over the world, such as: Bolivia, Vancouver, Muscat, We have top engineers in these industries and an efficient team in the research. What is more, we have our own archives mouths and markets in China at low cost. Therefore, we can meet different inquiries from different clients. Please find our website to check more information from our products.
  • Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
    5 Stars By Eunice from New York - 2018.06.30 17:29
    Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
    5 Stars By Paula from Toronto - 2018.11.06 10:04

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