Dual-modal photoacoustic and optical coherence tomography using
a single near-infrared supercontinuum laser source

Changho Lee; Seunghoon Han; Sehui Kim; Minyoung Jeon; Mansik Jeon; Chulhong Kim; Jeehyun Kim

doi:10.1117/12.2003327

4 March 2013 Dual-modal photoacoustic and optical coherence tomography using a single near-infrared supercontinuum laser source

Changho Lee, Seunghoon Han, Sehui Kim, Minyoung Jeon, Mansik Jeon, Chulhong Kim, Jeehyun Kim

Author Affiliations +

Proceedings Volume 8581, Photons Plus Ultrasound: Imaging and Sensing 2013; 85812Z (2013) https://doi.org/10.1117/12.2003327
Event: SPIE BiOS, 2013, San Francisco, California, United States

Abstract

We report the development of a combined dual-modal photoacoustic and optical coherence tomography (PA-OCT) system using a single near-infrared (NIR) supercontinuum laser source which can provide both optical absorption and scattering contrasts simultaneously. By using a small sized pulsed Nd:YAG microchip laser and a photonic crystal fiber, we fabricated a pulsed broadband supercontinuum source from 600 to 1700 nm. Under the same optical hardware system, intrinsically registered PA and OCT images are acquired in a single scanning. In order to demonstrate feasibility of our system, we successfully acquired the PA and OCT images of black and white hairs images at the same time. The black hair was detected in both PA and OCT images, while the white hair appeared only in the OCT image. This result suggests the potential of compact, cost-effective, and simple dual-modal PA-OCT system. Moreover, we believe that this approach will be a key point for commercialization and clinical translation.

Citation Download Citation

Changho Lee, Seunghoon Han, Sehui Kim, Minyoung Jeon, Mansik Jeon, Chulhong Kim, and Jeehyun Kim "Dual-modal photoacoustic and optical coherence tomography using a single near-infrared supercontinuum laser source", Proc. SPIE 8581, Photons Plus Ultrasound: Imaging and Sensing 2013, 85812Z (4 March 2013); https://doi.org/10.1117/12.2003327

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KEYWORDS

Optical coherence tomography

Laser sources

Near infrared

Absorption

Signal detection

Scattering

Imaging systems

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