Phase measurement accuracy in digital holographic microscopy using a wavelength-stabilized laser diode

Yueh Long Lee, Yu Chih Lin, Han Yen Tu, Chau Jern Cheng

    研究成果: 雜誌貢獻文章同行評審

    22 引文 斯高帕斯(Scopus)

    摘要

    This work describes the influence of coherent illumination on phase measurement accuracy in digital holographic microscopy (DHM). To improve net phase accuracy in a DHM system, the phase referencing and temporal averaging techniques are applied simultaneously to suppress the phase noises caused by the laser source and image sensor. A comparison between a laser diode operated in single- and multi-modes is given to demonstrate the coherence effect on the fringe visibility and the reconstructed phase accuracy of digital holograms. Axial sub-nanometer accuracy in DHM with the fewest successive hologram recordings is performed using a wavelength-stabilized laser diode in single-mode operation.

    原文英語
    文章編號025403
    期刊Journal of Optics (United Kingdom)
    15
    發行號2
    DOIs
    出版狀態已發佈 - 2013 二月

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Atomic and Molecular Physics, and Optics

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