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Experiments with higher-order Hermite-Gauss laser beams

Published on:

23 October 2023

Primary Category:

Instrumentation and Methods for Astrophysics

Paper Authors:

Liu Tao,

Paul Fulda

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Key Details

Generated and purified higher-order HG laser beams using spatial light modulator

Measured HG beam power loss from cavity misalignment and mode mismatch

Results matched numerical calculations of loss factors

Demonstrated stronger sensing signals of HG beams

Showed potential of HG beams for gravitational wave detectors

AI generated summary

Experiments with higher-order Hermite-Gauss laser beams

Researchers generated and tested higher-order Hermite-Gauss laser beams in optical cavities. These special laser beam shapes may help reduce noise in gravitational wave detectors. The team purified and characterized the beams, measuring their sensitivity to misalignment and mismatch. The results agreed with theory and demonstrated the beams' potential for sensing and control.

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