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Opt Lett. 2004 Oct 15;29(20):2339-41.

Measurement of gouy phase evolution by use of spatial mode interference.

Author information

  • 1Centre for Gravitational Physics, Faculty of Science, The Australian National University, Canberra, ACT 0200, Australia. jong.chow@anu.edu.au

Abstract

An experimental technique to observe and accurately measure the Gouy phase evolution of Hermite-Gaussian modes is presented. Because of the unique features of spatial mode interference frequency-locking error signals, we are able to readily perform explicit measurement of the Gouy phase in a simple and highly accurate manner. We present these data and discuss the technique and its implications.

PMID:
15532260
[PubMed]
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