High-speed time-domain optical coherence tomography with an imaging speed of ten frames per second with 2000 A-scan

Young-Kwan Kim; Yong Pyung Kim

doi:10.1117/1.3425659

1 May 2010 High-speed time-domain optical coherence tomography with an imaging speed of ten frames per second with 2000 A-scan

Young-Kwan Kim, Yong Pyung Kim

Author Affiliations +

Optical Engineering, Vol. 49, Issue 5, 055601 (May 2010). https://doi.org/10.1117/1.3425659

Abstract

We report on a high-speed time-domain optical coherence tomography (TD-OCT) technology that is capable of imaging 10 fps with 2000 A-scan. A duplex scanning optical delay line that is driven by a 1-kHz sinusoidal wave function was implemented and characterized. The reference and sample arms in a Michelson interferometer were simultaneously scanned using two identical piezoelectric transducers (PZTs). We adopted a sinusoidal wave function with constant voltages as the input functions for the PZTs. A recalibration of the measurement depth was necessary for the sinusoidal wave function operation. A recalibration with a spatial transformation was performed on the A-scan. We achieved an A-scan speed of 6 m/s. To the best our knowledge, this is the highest speed achieved in conventional TD-OCT systems to date.

©(2010) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Young-Kwan Kim and Yong Pyung Kim "High-speed time-domain optical coherence tomography with an imaging speed of ten frames per second with 2000 A-scan," Optical Engineering 49(5), 055601 (1 May 2010). https://doi.org/10.1117/1.3425659

Published: 1 May 2010

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