1 June 1992 Phase instability reduction by four-wave mixing
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Coherent ladar detection which is virtually free of oscillator instabilities (random phasing effects) may be obtained through the use of two local oscillator frequencies and subsequent four-wave mixing for heterodyne square-law detection. Such a stabilized four-wave system will allow for more compact, lighter, simpler, and shorter-wavelength coherent ladars.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
William A. Janos, William A. Janos, Petras V. Avizonis, Petras V. Avizonis, } "Phase instability reduction by four-wave mixing", Proc. SPIE 1633, Laser Radar VII: Advanced Technology for Applications, (1 June 1992); doi: 10.1117/12.59116; https://doi.org/10.1117/12.59116

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