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零级波片
商品货号:ECS000955
商品品牌:Thorlabs
详细介绍

Features

  • High Damage Threshold (2 MW/cm² CW, 2 J/cm² @ 10 ns Pulse)
  • High Energy Air-Spaced Design
  • Quarter- and Half-Wave Plates Available
  • OEM Pricing Available
  • AR Coated on Front and Back Surfaces

Thorlabs' Zero-Order Wave Plates are built by combining two Multi-Order Quartz Wave Plates with an optical path length difference of λ/4 or λ/2. By aligning the fast axis of one plate with the slow axis of the other, the net result is a compound retarder whose exact retardance is the difference between each plate's individual retardence. Compound zero-order wave plates offer a substantially lower dependence on temperature and wavelength than multi-order wave plates. These zero-order wave plates are constructed by placing an etched stainless steel spacing ring between the two multi-order wave plates and epoxying the entire assembly into an Ø1" anodized aluminum housing. The epoxy is only applied outside of the clear aperture in order to prevent the damage threshold from decreasing. The wave plate housing is engraved with a line indicating the orientation of the fast axis of the wave plate and with text stating whether it is a λ/4 or λ/2 wave plate as well as the wavelength for which the wave plate was designed. The typical thickness of a zero-order wave plate is around 2 mm but can vary from part to part. For further information on using and selecting a wave plate, please see our Selection Guide Tab. In addition, Thorlabs also offers Achromatic Wave Plates, Telecom Zero-Order Wave Plates, Monochromatic Multi-Order Wave Plates, Dual Wavelength Multi-Order Wave Plates, and a complete line of Polarization Optics.

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