Low-coherence interferometric detection of photo-thermal and photo-acoustic effects in tissue

Sergey A. Telenkov; Digant P. Dave; Thomas E. Milner

doi:10.1117/12.477760

1 July 2003 Low-coherence interferometric detection of photo-thermal and photo-acoustic effects in tissue

Sergey A. Telenkov, Digant P. Dave, Thomas E. Milner

Proceedings Volume 4960, Biomedical Optoacoustics IV; (2003) https://doi.org/10.1117/12.477760
Event: Biomedical Optics, 2003, San Jose, CA, United States

Abstract

We have developed a low-coherence optical sensor for detection of laser-induced thermoelastic deformations in biological materials. The presented optical sensor utilizes a birefringent fiber-based dual channel low-coherence Michelson interferometer capable of differential phase measurements. We demonstrate that the low-coherence sensor can be used for spatially-resolved measurements of laser-induced thermoelastic deformations in biological materials with high axial resolution. Experimental studies were carried out using gelatin-based tissue phantoms.

Citation Download Citation

Sergey A. Telenkov, Digant P. Dave, and Thomas E. Milner "Low-coherence interferometric detection of photo-thermal and photo-acoustic effects in tissue", Proc. SPIE 4960, Biomedical Optoacoustics IV, (1 July 2003); https://doi.org/10.1117/12.477760

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