文化大學機構典藏 CCUR:Item 987654321/45529
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    Please use this identifier to cite or link to this item: https://irlib.pccu.edu.tw/handle/987654321/45529


    Title: Adaptive wavefront correction structured illumination holographic tomography
    Authors: Balasubramani, V (Balasubramani, Vinoth)
    Tu, HY (Tu, Han-Yen)
    Lai, XJ (Lai, Xin-Ji)
    Cheng, CJ (Cheng, Chau-Jern)
    Contributors: 電機系
    Keywords: LIVE CELLS
    MICROSCOPY
    PHASE
    COMPENSATION
    OPTICS
    ABERRATIONS
    ROTATION
    IMAGE
    Date: 2019-07-19
    Issue Date: 2019-12-25 09:46:48 (UTC+8)
    Abstract: In this study, a novel adaptive wavefront correction (AWC) technique is implemented on a compactly developed structured illumination holographic tomography (SI-HT) system. We propose a mechanical movement-free compact scanning architecture for SI-HT systems with AWC, implemented by designing and displaying a series of computer-generated holograms (CGH) composed of blazed grating with phase Fresnel lens on a phase-only spatial light modulator (SLM). In the proposed SI-HT, the aberrations of the optical system are sensed by digital holography and are used to design the CGH-based AWC to compensate the phase aberrations of the tomographic imaging system. The proposed method was validated using a standard Siemens star target, its potential application was demonstrated using a live candida rugosa sample, and its label-free three-dimensional refractive index profile was generated at its subcellular level. The experimental results obtained reveal the ability of the proposed method to enhance the imaging performance in both lateral and axial directions.
    Relation: SCIENTIFIC REPORTS 卷冊: 9 文獻號碼: 10489
    Appears in Collections:[Department of Electrical Engineering ] journal articles

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