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.
Wedge prisms are used to deflect, steer, and manipulate light in optical systems. They find applications in:
- Beam Steering: Precise control of laser beam direction without moving the entire setup.
- Interferometry: Adjusting phase in interference patterns for optical testing.
- Optical Alignment: Aligning components accurately by introducing angular offsets.
- Tunable Filters: Selecting specific wavelengths for spectroscopy and imaging.
- Collimation: Controlling light paths and directions.
- Measurement: Determining material thickness in thickness measurement systems.
- Wavefront Correction: Correcting aberrations in optical systems.
- Polarization Control: Manipulating polarization states of light.
- Retardation Plates: Modifying phase differences in polarimetry and microscopy.
- Alignment Telescopes: Precision alignment and leveling in surveying.
- Laser Beam Expanding: Adjusting laser beam size and characteristics.
Wedge prisms offer versatility for precise light manipulation in diverse fields.