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Van der Niet, R.T. (author)
The generation of a split-frequency is inherent to heterodyne displacement interferometry. Currently this split-frequency is predominantly generated by either acousto-optic modulators (AOM), Zeeman-lasers (ZL), or a combination. Both techniques have their drawbacks, e.g. AOM have a limited bandwidth and are optically inefficient due to a loss of...
master thesis 2015