Rapid two-dimensional transversal scanning fiber probe for optical coherence tomography

Gang Huang; Zhihua Ding

doi:10.1117/12.700173

7 February 2007 Rapid two-dimensional transversal scanning fiber probe for optical coherence tomography

Gang Huang, Zhihua Ding

Proceedings Volume 6429, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XI; 64292W (2007) https://doi.org/10.1117/12.700173
Event: SPIE BiOS, 2007, San Jose, California, United States

Abstract

A fiber probe that is capable of two-dimensional traversal scanning is developed and implemented to a time-domain optical coherence tomography (OCT). Due to its geometrical structure, the fiber cantilever of the probe has two intrinsic resonant frequencies. When the probe is base-excited by signal with two mixed frequencies near the resonances, traversal scanning pattern is generated with controllable area coverage through fine tuning of frequency ratio and fetching period. A position sensitive detector is introduced in the probe to record the real-time trajectory of the scanning pattern for image reconstruction. Fast OCT images of samples including rule, coin and leaf are obtained with the developed probe applied to our time-domain OCT setup. We envision obtaining rapid three-dimensional imaging with the developed probe in a Fourier domain OCT system.

Citation Download Citation

Gang Huang and Zhihua Ding "Rapid two-dimensional transversal scanning fiber probe for optical coherence tomography", Proc. SPIE 6429, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XI, 64292W (7 February 2007); https://doi.org/10.1117/12.700173

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