Miniaturization of optical spectroscopes into Fresnel microspectrometers

Yeonjoon Park; Sang H. Choi

doi:10.1117/1.JNP.7.077599

3 June 2013 Miniaturization of optical spectroscopes into Fresnel microspectrometers

Yeonjoon Park, Sang H. Choi

Author Affiliations +

Journal of Nanophotonics, Vol. 7, Issue 1, 077599 (June 2013). https://doi.org/10.1117/1.JNP.7.077599

Abstract

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 mm3 and spectral resolutions of 10 to 23 nm.

Citation Download Citation

Yeonjoon Park and Sang H. Choi "Miniaturization of optical spectroscopes into Fresnel microspectrometers," Journal of Nanophotonics 7(1), 077599 (3 June 2013). https://doi.org/10.1117/1.JNP.7.077599

Published: 3 June 2013

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