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We present compact slit-less spectrometers using cylindrical beam holograms with several advantages over conventional spectrometers. We demonstrate large spectral range spectrometers using spatially multiplexed cylindrical beam holograms without adding any moving part in spectroscopic systems.
We present an efficient, low-cost, and compact spectrometer for diffuse source spectroscopy using only a spherical beam volume hologram and a CCD. We show that this spectrometer can operate well under spatially incoherent light illumination
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