Počet záznamů: 1  

Multiple angle digital holography for the shape measurement of the unpainted tympanic membrane

  1. 1.
    0541074 - ÚFP 2021 RIV US eng J - Článek v odborném periodiku
    Psota, Pavel - Tang, H. - Pooladvand, K. - Furlong, C. - Rosowski, J. J. - Cheng, J. T. - Lédl, Vít
    Multiple angle digital holography for the shape measurement of the unpainted tympanic membrane.
    Optics Express. Roč. 28, č. 17 (2020), s. 24614-24628. ISSN 1094-4087
    Grant CEP: GA MŠMT(CZ) EF16_026/0008390; GA ČR(CZ) GA16-11965S
    Institucionální podpora: RVO:61389021
    Klíčová slova: digital holography * npainted tympanic membrane
    Obor OECD: Optics (including laser optics and quantum optics)
    Impakt faktor: 3.894, rok: 2020
    Způsob publikování: Open access
    https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-28-17-24614&id=434207

    The shape of the tympanic membrane (TM) plays an important role in sound transmission through the ear for hearing. Previously we developed a high-speed holographic system employing a tunable wavelength laser for rapid TM shape measurement. However, the tunable laser illumination was not sufficient to measure the shape of the unpainted TM due to the semi-transparency of the TM and short exposure time of the camera. This paper presents a new multiple angle illumination technique that allows us to use a higher power single wavelength laser to perform shape measurements on the unpainted TM. Accuracy of the new method is demonstrated by a measure of a step gauge provided by the National Institute of Standards and Technology. We successfully applied the new shape measurement method on a fresh postmortem human TM without any paint.
    Trvalý link: http://hdl.handle.net/11104/0318654

     
     
Počet záznamů: 1  

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