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- W4378760034 abstract "With the advent of neuroimaging and microsurgery, there is a rising need for capturing images through an optical fiber. We present an approach of imaging through a single fiber without mechanical scanning by implementing spatial-spectral encoding. The spectral encoding is achieved through a microfabricated spectral filter array, where light from different spatial pixels is coded with a highly orthogonal spectrum. The image is then computationally recovered via pseudo inverse of the encoding process. We demonstrate imaging of a $4 times 4$ binary object at the proximity of the spectral filter array using $560-625nm$ wavelength band. The recovered image maintains an error rate of $<11%$ when measured using a spectrometer with a spectral resolution of $1.5nm$. The image remains unchanged with fiber bending or moving. Thus our approach shows a more robust way to image through a single optical fiber, with potential applications in compact endoscopes and angioscopes." @default.
- W4378760034 created "2023-05-31" @default.
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- W4378760034 date "2023-05-26" @default.
- W4378760034 modified "2023-09-28" @default.
- W4378760034 title "Spectrally-encoded non-scanning imaging through a fiber" @default.
- W4378760034 doi "https://doi.org/10.48550/arxiv.2305.17113" @default.
- W4378760034 hasPublicationYear "2023" @default.
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