Design of a VLS Grating-Lens Hybrid Component for Miniature Spectrometer

Hua Li; Hui Lin

doi:10.4028/www.scientific.net/AMM.289.53

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 289Design of a VLS Grating-Lens Hybrid Component for...

Design of a VLS Grating-Lens Hybrid Component for Miniature Spectrometer

Abstract:

we propose a micro varied-line-spacing (VLS) grating-lens hybrid component that integrates the collimation, dispersion and focus functions for use in a miniature spectrometer. We adopt the principle of least wave change to design and optimize the VLS grating pattern on the spherical lens surface, and then build a model in ZEMAX to simulate the spectral resolution performance. The best spectral resolution turns out to be 1nm at the center wavelength of the target wavelength range. The resolution across the wavelength range from 450nm to 650nm is better than 4nm.

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Periodical:

Applied Mechanics and Materials (Volume 289)

Pages:

53-61

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.289.53

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Online since:

February 2013

Authors:

Hua Li, Hui Lin

Keywords:

Micro-Spectrometer, Spectral Resolution, VLS Grating

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