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Computer-controlled system for frequency stabilization of He-Ne laser radiation with the use of a thin absorbing layer

In this paper the requirements for single-frequency helium-neon lasers are characterized. The system of single-frequency He-Ne laser is presented with the thin-layer CWA selector operating with the stabilization of power output. In the stabilization loop the computer has been applied, co-working with the specially made for this purpose digital system of piezoceramics control. The principle of operation of computer stabilization loop of the power of single-frequency laser is described, as well as some results of investigations.