Direct measurement of absorption-induced wavefront distortion in high optical power systems

A.F. Brooks, D. Hosken, J. Munch, P. Veitch, Z. Yan, Chunnong Zhao, Yaohui Fan, Li Ju, David Blair, P. Willems, B. Slagmolen, J. Degallaix

    Research output: Contribution to journalArticle

    14 Citations (Scopus)

    Abstract

    Wavefront distortion due to absorption in the substrates and coatings of mirrors in advanced gravitational wave interferometers has the potential to compromise the operation and sensitivity of these interferometers [Opt. Lett.29, 2635-2637 (2004)OPLEDP0146-959210.1364/OL.29.002635]. We report the first direct spatially-resolved measurement, to our knowledge, of such wavefront distortion in a high optical power cavity. The measurement was made using an ultrahigh sensitivity Hartmann wavefront sensor on a dedicated test facility. The sensitivity of the sensor was λ/730, where λ=800 nm.© 2009 Optical Society of America
    Original languageEnglish
    Pages (from-to)355-364
    JournalApplied Optics
    Volume48
    Issue number2
    DOIs
    Publication statusPublished - 2009

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