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Simulations of light distribution on new instrumented baffles surrounding Virgo end mirrors

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arxiv 2210.16308 v2 pith:OLVEAV2G submitted 2022-10-24 physics.ins-det astro-ph.IMgr-qc

A. Macquet , M.Andrés-Carcasona , M. Martinez , Ll-M. Mir , A. Romero-Rodriguez , H. Yamamoto This is my paper
classification physics.ins-detastro-ph.IMgr-qc
keywords mirrorsbaffleslightarounddistributioninstrumentedmainphase
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As part of the second phase of Advanced Virgo upgrade program, instrumented baffles are being constructed to be installed around the end mirrors in the main arms, in continuation of what has been implemented for the input mode cleaner end mirror during phase I. These baffles will be equipped with photosensors, allowing for real-time monitoring of the stray light around the mirrors. In this paper, we present optical simulations of the light distribution in the detector main cavities to assess the ability of the sensors to effectively monitor misalignment and defects on the mirrors surface and to play a role in the pre-alignment of the interferometer.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Optomechanical transfer factors for scattered light noise estimations in the beamtubes of ground-based gravitational wave detectors

    gr-qc 2026-07 conditional novelty 6.0 of 10

    Scattered-light noise coupling to strain readout is derived as full optomechanical transfer factors, recovering legacy models only in phase-dominated regimes and substantially revising Einstein Telescope low-frequency...

  2. New modeling of the stray light noise in the main arms of the Einstein Telescope

    physics.ins-det 2025-06 conditional novelty 5.0 of 10

    Stray light noise in Einstein Telescope arms is predicted to stay below the safety margin in ideal conditions, but beam offsets above 4 to 7 cm, tilts above 8 microradians, or strong point absorbers could breach it.

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