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beam chopping frequency

См. также в других словарях:

  • Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …   Wikipedia

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  • Optical chopper — An optical chopper is a mechanical device which periodically interrupts a light beam. Three types are available: variable frequency rotating disc choppers, fixed frequency tuning fork choppers, and optical shutters. A rotating disc chopper was… …   Wikipedia

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  • Diver communications — are the methods used by divers to communicate with each other or with surface members of the dive team. There are several distinct forms of diver communications: Voice communications Most professional diving equipment such as full face diving… …   Wikipedia

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