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The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
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Optimization of linearity by use of a glass plate in carousel interferometers
Ghazanfar Hussain1, Masroor Ikram
1Department of Electrical Engineering, College of Signals, National University of Science and Technology, Rawalpindi, Pakistan.
Abstract:
Carousel interferometers are compact swinging interferometers, but their popularity is limited because of significant nonlinearity in rotational measurements. Introducing a glass plate in a rotating interferometer and optimizing its thickness has improved the linearity drastically. Computer simulations show reductions in nonlinearity of several orders of magnitude.
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