Portable smartphone optical fibre spectrometer

Md. Arafat Hossain; John Canning; Kevin Cook; Abbas Jamalipour

doi:10.1117/12.2195306

28 September 2015 Portable smartphone optical fibre spectrometer

Md. Arafat Hossain, John Canning, Kevin Cook, Abbas Jamalipour

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 963411 (2015) https://doi.org/10.1117/12.2195306
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

A low cost, optical fibre based spectrometer has been developed on a smartphone platform for field-portable spectral analysis. Light of visible wavelength is collected using a multimode optical fibre and diffracted by a low cost nanoimprinted diffraction grating. A measurement range over 300 nm span (λ = 400 to 700 nm) is obtained using the smartphone CMOS chip. The spectral resolution is Δλ ~ 0.42 nm/screen pixel. A customized Android application processed the spectra on the same platform and shares with other devices. The results compare well with commercially available spectrometer.

Citation Download Citation

Md. Arafat Hossain, John Canning, Kevin Cook, and Abbas Jamalipour "Portable smartphone optical fibre spectrometer", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963411 (28 September 2015); https://doi.org/10.1117/12.2195306

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