Published on:
23 October 2023
Primary Category:
Instrumentation and Methods for Astrophysics
Paper Authors:
Liu Tao,
Paul Fulda
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
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.
Review of mode matching control in gravitational wave detectors
Demonstration of arm length control method for future gravitational wave detectors
Correcting lens errors using quantum gases
Simplified summary of weak measurement technique for gravitational wave detection
Using speckles to identify structured light beams
Detecting binary black holes with Einstein Telescope
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