Abstract

The drastic shortening of a photon lifetime as compared with normal TEM00 operations has been shown to be associated with the formation of annular mode operations in a thin-slice Nd:GdVO4 laser with tilted laser diode end pumping. The 15 dB enhancement of the signal-to-noise ratio, owing to the shortened photon lifetime, has been demonstrated in the self-mixing laser Doppler velocimetry experiment in comparison with the TEM00 operations, where the minimum intensity feedback rate from a target to the laser for successful measurements was estimated to be 123dB, which corresponds to 0.007 photon per Doppler cycle.

© 2015 Optical Society of America

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Corrections

12 October 2015: A correction was made to Ref. 10


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Supplementary Material (2)

NameDescription
» Visualization 1: MOV (8320 KB)      Pump-dependent near-field patterns
» Visualization 2: MOV (6472 KB)      Pump-dependent far-field patterns

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