A miniaturized near infrared spectrometer for non-invasive sensing of bio-markers as a wearable healthcare solution

Jungmok Bae; Vladislav V. Druzhin; Alexey G. Anikanov; Sergey V. Afanasyev; Alexey Shchekin; Anton S. Medvedev; Alexander V. Morozov; Dongho Kim; Sang Kyu Kim; Hyunseok Moon; Hyeongseok Jang; Jaewook Shim; Jongae Park

doi:10.1117/12.2256293

20 February 2017 A miniaturized near infrared spectrometer for non-invasive sensing of bio-markers as a wearable healthcare solution

Jungmok Bae, Vladislav V. Druzhin, Alexey G. Anikanov, Sergey V. Afanasyev, Alexey Shchekin, Anton S. Medvedev, Alexander V. Morozov, Dongho Kim, Sang Kyu Kim, Hyunseok Moon, Hyeongseok Jang, Jaewook Shim, Jongae Park

Author Affiliations +

Proceedings Volume 10116, MOEMS and Miniaturized Systems XVI; 101160J (2017) https://doi.org/10.1117/12.2256293
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

A novel miniaturized near-infrared spectrometer readily mountable to wearable devices for continuous monitoring of individual’s key bio-markers was proposed. Spectrum is measured by sequential illuminations with LED’s, having independent spectrum profiles and a continuous detection of light radiations from the skin tissue with a single cell PD. Based on Tikhonov regularization with singular value decomposition, a spectrum resolution less than 10nm was reconstructed based on experimentally measured LED profiles. A prototype covering first overtone band (1500-1800nm) where bio-markers have pronounced absorption peaks was fabricated and verified of its performance. Reconstructed spectrum shows that the novel concept of miniaturized spectrometer is valid.

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Jungmok Bae, Vladislav V. Druzhin, Alexey G. Anikanov, Sergey V. Afanasyev, Alexey Shchekin, Anton S. Medvedev, Alexander V. Morozov, Dongho Kim, Sang Kyu Kim, Hyunseok Moon, Hyeongseok Jang, Jaewook Shim, and Jongae Park "A miniaturized near infrared spectrometer for non-invasive sensing of bio-markers as a wearable healthcare solution", Proc. SPIE 10116, MOEMS and Miniaturized Systems XVI, 101160J (20 February 2017); https://doi.org/10.1117/12.2256293

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