Vanishing tilt-to-length coupling for a singular case in two-beam laser interferometers with Gaussian beams

Sönke Schuster, Gudrun Wanner, Michael Tröbs, Gerhard Heinzel
2015 Applied Optics  
The omnipresent tilt-to-length coupling in two-beam laser interferometers, frequently a nuisance in precision measurements, vanishes for the singular case of two beams with identical parameters and complete detection of both beams without clipping. This effect has been observed numerically and is explained in this manuscript by the cancellation of two very different effects of equal magnitude and opposite sign. This paper was published in Applied Optics and is made available as an electronic
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doi:10.1364/ao.54.001010 pmid:25968015 fatcat:if4sjdv4ezhazjmvh75n3gquie