Source: TOPTICA Photonics AG The Science Behind Wavemeters Understanding Wavemeters A wavemeter, also known as a wavelength meter, is an interferometer used to measure the precise wavelength of laser beams. There are different types of wavemeters, including scanning wavemeters and static devices with no moving parts. Scanning Michelson Interferometer One common type of wavemeter is […]
Source: 4D Technology The Fizeau Interferometer: A Tool for Optical Surface Characterization The Fizeau Interferometer Overview The Fizeau interferometer, named after Hippolyte Fizeau, is a widely used tool for characterizing optical surfaces such as mirrors and prisms. Operation Principle The Fizeau interferometer operates based on interference between reflections at a test surface and a nearby
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