Raman spectra of biomedical samples using optical fiber probes

Gang Zhang; Stavros G. Demos; Robert R. Alfano

doi:10.1117/12.275522

16 June 1997 Raman spectra of biomedical samples using optical fiber probes

Gang Zhang, Stavros G. Demos, Robert R. Alfano

Proceedings Volume 2976, Biomedical Sensing, Imaging, and Tracking Technologies II; (1997) https://doi.org/10.1117/12.275522
Event: BiOS '97, Part of Photonics West, 1997, San Jose, CA, United States

Abstract

We have investigated various optical fiber probes for remote Raman scattering measurements in tissues. The diameter of the optical fiber probe was kept below 3 mm in order to be able o fit into the working channel of existing endoscopes for in vivo measurements inside the human body. Different designs were tested to examine the best possible arrangement of the required optical. The main problems encountered arising from the Raman scattering and fluorescence emission inside the fiber itself are discussed and possible approaches to overcome the limitations are addressed.

Citation Download Citation

Gang Zhang, Stavros G. Demos, and Robert R. Alfano "Raman spectra of biomedical samples using optical fiber probes", Proc. SPIE 2976, Biomedical Sensing, Imaging, and Tracking Technologies II, (16 June 1997); https://doi.org/10.1117/12.275522

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