期刊
JOURNAL OF NANOPHOTONICS
卷 7, 期 -, 页码 -出版社
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.JNP.7.077599
关键词
microspectrometer; Fresnel diffraction grating; gradient grating; ring grating
资金
- NASA, USA [SAA-15546]
- Gacheon University of Medicine and Science under KOSEF program by the Ministry of Science, Technology, and Education, Republic of Korea
Miniaturized optical instruments have become very important in industry as smart phones and tablet PCs increase in popularity. A chronology of spectrometer development shows that a simple numerical point of view affords important insights. A tiny spectrometer, which is smaller than a few millimeters size, cannot easily rely on the conventional Fraunhofer diffraction due to its optical criterion limit. As an alternate solution to build smaller spectrometers, a Fresnel spectrometer chip with a gradient line grating is attractive. The fabricated Fresnel spectrometers have optical path volumes of about 1 mm(3) and spectral resolutions of 10 to 23 nm. (C) The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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