Spectrum light splitting imaging system light path based on volume hologram grating component light splitting
A volume holographic grating and imaging system technology, which is applied in the field of optical path of spectral spectroscopic imaging system, can solve the problems of narrow free spectral range, complex structure and adjustment, difficult installation and adjustment, etc., and achieves compact structure, simple installation and adjustment, and utilization of light energy. added effect
Inactive Publication Date: 2013-06-05
BEIJING INSTITUTE OF TECHNOLOGYGY
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The invention relates to a spectrum light splitting imaging system light path based on volume hologram grating component light splitting. Volume hologram grating is adopted as a light splitting component by the spectrum light splitting imaging system light path. Parallel lights which pass through a front imaging lens, a slit and a collimating lens are conducted with diffraction light splitting, after the being split, the lights coalescent, form an image on an image plane through the imaging lens and received by a charge coupled device (CCD) detector. The whole system is small in size and compact in structure, the lights can pass in and out straightly, the utilization rate of light energy is high, and the light splitting performance is good.
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