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Method comparison for simulating non-Gaussian Beams and Diffraction for Precision Interferometry
Mengyuan Zhao, Yazheng Tao, Kevin Weber +4
In the context of simulating precision laser interferometers, we compare via several examples two wavefront decomposition methods: the Mode Expansion Method (MEM) and the Gaussian…
Non-geometric tilt-to-length coupling in precision interferometry: mechanisms and analytical descriptions
Marie-Sophie Hartig, Sönke Schuster, Gerhard Heinzel +1
This paper is the second in a set of two investigating tilt-to-length (TTL) coupling. TTL describes the cross-coupling of angular or translational jitter into an interferometric ph…
Vanishing tilt-to-length coupling for a singular case in two-beam laser interferometers with Gaussian beams
Sönke Schuster, Gudrun Wanner, Michael Tröbs +1
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 identic…
Analytical description of interference between two misaligned and mismatched complete Gaussian beams
Gudrun Wanner, Gerhard Heinzel
A typical application for laser interferometers is a precision measurement of length changes that result in interferometric phase shifts. Such phase changes are typically predicted…