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Portable AOTF Raman Integrated Tunable Sensor (RAMiTS) for chemical and biosensing

Publication ,  Journal Article
Chen, K; Martin, ME; Vo-Dinh, T
Published in: Proceedings of SPIE - The International Society for Optical Engineering
December 1, 2005

This paper describes the development of a compact, self-contained, and portable Raman Integrated Tunable Sensor (RAMiTS) for chemical and biosensing. The RAMiTS consists of a frequency-stabilized diode laser for excitation, an acousto-optic tunable filter (AOTF) for wavelength discrimination, and an avalanche photodiode (APD) for detection. It can provide direct identification and quantitative analysis of chemical and biological samples in a few seconds under field conditions. Instrument control and data acquisition was coordinated by software developed in house using the C language. Evaluation of this instrument was performed by analyzing several model compounds and the high spectral resolution of this instrument was demonstrated by the discrimination of several structurally similar molecules (benzene, toluene and naphthalene) as well as m-, o-, p- isomers of xylene. The potential applications of the RAMiTS coupled with the surface-enhanced Raman scattering (SERS) for the detection of chemical and biological warfare agents will also be discussed in this paper.

Duke Scholars

Published In

Proceedings of SPIE - The International Society for Optical Engineering

DOI

ISSN

0277-786X

Publication Date

December 1, 2005

Volume

5993
 

Citation

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Chen, K., Martin, M. E., & Vo-Dinh, T. (2005). Portable AOTF Raman Integrated Tunable Sensor (RAMiTS) for chemical and biosensing. Proceedings of SPIE - The International Society for Optical Engineering, 5993. https://doi.org/10.1117/12.639098
Chen, K., M. E. Martin, and T. Vo-Dinh. “Portable AOTF Raman Integrated Tunable Sensor (RAMiTS) for chemical and biosensing.” Proceedings of SPIE - The International Society for Optical Engineering 5993 (December 1, 2005). https://doi.org/10.1117/12.639098.
Chen K, Martin ME, Vo-Dinh T. Portable AOTF Raman Integrated Tunable Sensor (RAMiTS) for chemical and biosensing. Proceedings of SPIE - The International Society for Optical Engineering. 2005 Dec 1;5993.
Chen, K., et al. “Portable AOTF Raman Integrated Tunable Sensor (RAMiTS) for chemical and biosensing.” Proceedings of SPIE - The International Society for Optical Engineering, vol. 5993, Dec. 2005. Scopus, doi:10.1117/12.639098.
Chen K, Martin ME, Vo-Dinh T. Portable AOTF Raman Integrated Tunable Sensor (RAMiTS) for chemical and biosensing. Proceedings of SPIE - The International Society for Optical Engineering. 2005 Dec 1;5993.

Published In

Proceedings of SPIE - The International Society for Optical Engineering

DOI

ISSN

0277-786X

Publication Date

December 1, 2005

Volume

5993