標題: Compact spectrometer system based on a gradient grating period guided-mode resonance filter
作者: Lin, Hsin-An
Hsu, Hsin-Yun
Chang, Chih-Wei
Huang, Cheng-Sheng
機械工程學系
Department of Mechanical Engineering
公開日期: 16-五月-2016
摘要: We demonstrate a compact spectrometer system by using a gradient grating period guided-mode resonance filter-mounted on a linear photodetector array-that exhibits spatially dependent resonance characteristics; a specific incident wavelength is reflected such that the underlying array pixels measure minimum intensity. A precalibrated transmission efficiency matrix is used to determine each pixel\'s transmission efficiency for specific wavelengths. Unknown spectral information can be calculated from the measured intensity. Grating periods of 250-388 nm in 2-nm increments are used in each 100-cycle period. Device length is 2.23 mm. Spectral range of 506-700 nm is measurable with 1-nm resolution. (C) 2016 Optical Society of America
URI: http://dx.doi.org/10.1364/OE.24.010972
http://hdl.handle.net/11536/133770
ISSN: 1094-4087
DOI: 10.1364/OE.24.010972
期刊: OPTICS EXPRESS
Volume: 24
Issue: 10
顯示於類別:期刊論文