Abstract
The technique for measuring large frequency intervals uses a laser which incorporates a frequency shifting element in the feedback path. This system, shown in Fig. 1, and known as the frequency shifted feedback laser (FSF laser), has a number of important differences from traditional lasers based on Fabry-Perot cavities.1-3 For the purposes of this paper, the most important property is the generation of a comb of discrete frequencies when the FSF laser is seeded by a single frequency source with a known optical frequency vref.
© 1993 Optical Society of America
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