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China wholesale Precision Optics - WAVE PLATE – WISOPTIC

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China wholesale Precision Optics - 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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China wholesale Precision Optics - WAVE PLATE – WISOPTIC detail pictures

China wholesale Precision Optics - WAVE PLATE – WISOPTIC detail pictures


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As a way to ideal meet up with client's desires, all of our operations are strictly performed in line with our motto "High Top quality, Competitive Cost, Fast Service" for China wholesale Precision Optics - WAVE PLATE – WISOPTIC, The product will supply to all over the world, such as: Malta, Portugal, Yemen, Regarding quality as survival, prestige as guarantee, innovation as motive force, development along with advanced technology, our group hopes to make progress together with you and make untiring efforts for the bright future of this industry.
  • The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.
    5 Stars By Lorraine from Iraq - 2017.06.19 13:51
    Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!
    5 Stars By Andrew Forrest from Georgia - 2018.10.09 19:07

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