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2. Study of different commercial laser interferometer systems for dimensional measurement and associated performances
2.1 Single-frequency laser interferometer (homodyne) with stabilized He-Ne laser
One of the two most common techniques used in commercial laser interferometric dimensional measurement systems is based on the use of a stabilized laser source (He-Ne laser or DFB laser diode) operating at a single wavelength.
This technique is used, in particular, for displacement control on machine tools using a single-frequency He-Ne laser source. It is offered by a number of manufacturers, including Renishaw, SIOS, Chotest, API (Automated Precision Inc.) and MotionX Corp (see list of manufacturers for associated web links in the For further information section).
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Study of different commercial laser interferometer systems for dimensional measurement and associated performances
Optical accessories and external influence measurement module
Bibliography
Standards and norms
- Laser safety – Part 1: Equipment classification and requirements - NF EN 60825-1 - Janvier 2008
- Length measuring instruments – Fringe-counting and laser-source interferometers. - E11-016 - Avril 1987
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
API Metrology
https://apimetrology.com/xd-laser/
Attocube
https://www.attocube.com/en/products/laser-displacement-sensor
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