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Littrow spectrometer and a spectral domain optical coherence tomography system with a Littrow spectrometer
Littrow spectrometer and a spectral domain optical coherence tomography system with a Littrow spectrometer
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机译:Littrow光谱仪和带有Littrow光谱仪的光谱域光学相干断层扫描系统
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摘要
A compact conical diffraction Littrow spectrometer is disclosed. The distortion of the conically diffracted spectral component beams is compensated and as a result, the diffracted spectral beams can still be focused into a substantially straight line to shine onto a detector array. A spectral domain optical coherence tomography (SD-OCT) system incorporating a Littrow spectrometer or a spectrometer having one or more shared focusing element(s) and an SD-OCT system incorporating a spectrometer that is substantially polarization independent are also disclosed.
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