Digitally enhanced homodyne interferometry
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Sutton, Andrew J; Gerberding, Oliver; Heinzel, Gerhard; Shaddock, Daniel A
Description
We present two variations of a novel interferometry technique capable of simultaneously measuring multiple targets with high sensitivity. The technique performs a homodyne phase measurement by application of a four point phase shifting algorithm, with pseudo-random switching between points to allow multiplexed measurement based upon propagation delay alone. By multiplexing measurements and shifting complexity into signal processing, both variants realise significant complexity reductions over...[Show more]
Collections | ANU Research Publications |
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Date published: | 2012-09-24 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/101139 |
Source: | Optics express |
DOI: | 10.1364/OE.20.022195 |
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