Custom Wedge Prisms

A wedge prism is an optical component characterized by its triangular cross-section, featuring two inclined faces that are not parallel to each other. The primary function of a wedge prism is to deliberately introduce a precise angular deviation or adjustment to an incoming light beam. This controlled alteration serves a multitude of purposes within optical systems. Wedge prisms are commonly crafted from transparent optical materials like glass or crystal, and they undergo polishing to ensure optimal optical quality. The degree of inclination between the two faces is referred to as the “wedge angle.” Through the manipulation of either the wedge angle or the orientation of the prism, one can regulate the extent of angular deviation experienced by light as it traverses the prism’s structure.

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Wedge prisms are used to deflect, steer, and manipulate light in optical systems. They find applications in:

  1. Beam Steering: Precise control of laser beam direction without moving the entire setup.
  2. Interferometry: Adjusting phase in interference patterns for optical testing.
  3. Optical Alignment: Aligning components accurately by introducing angular offsets.
  4. Tunable Filters: Selecting specific wavelengths for spectroscopy and imaging.
  5. Collimation: Controlling light paths and directions.
  6. Measurement: Determining material thickness in thickness measurement systems.
  7. Wavefront Correction: Correcting aberrations in optical systems.
  8. Polarization Control: Manipulating polarization states of light.
  9. Retardation Plates: Modifying phase differences in polarimetry and microscopy.
  10. Alignment Telescopes: Precision alignment and leveling in surveying.
  11. Laser Beam Expanding: Adjusting laser beam size and characteristics.

Wedge prisms offer versatility for precise light manipulation in diverse fields.

Multiple Customization Options

Custom Material & Substrate

We provide one of the best substates for your optics, including infrared materials, visible optical glass, chalcofenide glass, plastic, metel, and more on demand.

Custom Shape & Structure

From general to special surface profiles, we are able to achieve high quality. Our products include flat, spherical, aspherical, and curved optics, among others.

Custom Coating

Our coatings are precise and in-house, including anti-reflection, multi-band, conductive, edge filter, variable, metallic, dielectric coatings, and more finishes.

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Relevant Applications & Markets


Custom optics for laser cutting, drilling, engraving, and more.
Optical parts with low absorption in the infrared spectral region.
Optics with reliable absorption or transmission properties.
Custom objective lens and ocular lens for night vision.
Custom spheres, aspheres, curved optics for detectors.
Precise optics for gun laying, hand-held devices and more.
MWIR and LWIR optics with light weight to support the system.
Custom optics with high transmission and blocking level.
Highly functional IR optics for imaging in different industries.

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