journal article
May 01, 2021
Cell-phone camera Raman spectrometer
Abstract
In this report, we describe the design, construction, and operation of a cell-phone-based Raman and emission spectral detector, which when coupled to a diffraction grating and cell-phone camera system provides means for the detection, recording, and identification of chemicals, drugs, and biological molecules, in situ by means of their Raman and fluorescence spectra. The newly constructed cell-phone spectrometer system was used to record Raman spectra from various chemicals and biological molecules including the resonance enhanced Raman spectra of carrots and bacteria. In addition, we present the quantitative analysis of alcohol–water Raman spectra, performed using our cell-phone spectrometer. The designed and constructed system was also used for constructing Raman images of the samples by utilizing a position scanning stage in conjunction with the system. This compact and portable system is well suited for in situ field applications of Raman and fluorescence spectroscopy and may also be an integrated feature of future cell-phones.
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Metrics
19
Citations
31
References
Details
- Published
- May 01, 2021
- Vol/Issue
- 92(5)
- License
- View
Authors
Funding
Welch Foundation
Award: 1501928
Air Force Office of Scientific Research
Award: FA9550-20-1-0139
Texas A and M Engineering Experiment Station, Texas A and M University
Cite This Article
Dinesh Dhankhar, Anushka Nagpal, Peter M. Rentzepis (2021). Cell-phone camera Raman spectrometer. Review of Scientific Instruments, 92(5). https://doi.org/10.1063/5.0046281
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