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Optica Publishing Group
  • Topical Meeting on Laser and Optical Remote Sensing: Instrumentation and Techniques
  • Technical Digest Series (Optica Publishing Group, 1987),
  • paper WC6
  • https://doi.org/10.1364/LORS.1987.WC6

A Simple System for Frequency Locking Two CO2 Lasers

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Abstract

An optical heterodyne system requires a local oscillator which tracks the frequency of the transmitter. Otherwise the heterodyned signal, which has a frequency equal to the difference between the transmitted and local oscillator frequencies, would drift outside the bandwidth of the receiver.

© 1987 Optical Society of America

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