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2. Direct measurement of fringe amplitude and phase using a heterodyne interferometer operating in broadband light

Author

Somervell, A.R.D., Williams, M.E.K., and Barnes, T.H.

Subjects
*HETERODYNE reception, *AMPLITUDE modulation, *INTERFEROMETERS, *OPTICAL instruments, *OPTICAL communications
Abstract

We describe a simple heterodyne method for measuring fringe amplitude and phase difference using an interferometer operating in broadband light. A demonstration system is presented using a Michelson-type interferometer with a bandwidth of greater than 300 nm. [Copyright &y& Elsevier]

Published
2004
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