Discretely swept optical-frequency domain imaging toward high-resolution, high-speed, high-sensitivity, and long-depth-range

K. Ohbayashi; T. Amano; H. Hiro-oka; H. Furukawa; D. Choi; P. Jayavel; R. Yoshimura; K. Asaka; N. Fujiwara; H. Ishii; M. Suzuki; M. Nakanishi; K. Shimizu

doi:10.1117/12.703963

7 February 2007 Discretely swept optical-frequency domain imaging toward high-resolution, high-speed, high-sensitivity, and long-depth-range

K. Ohbayashi, T. Amano, H. Hiro-oka, H. Furukawa, D. Choi, P. Jayavel, R. Yoshimura, K. Asaka, N. Fujiwara, H. Ishii, M. Suzuki, M. Nakanishi, K. Shimizu

Author Affiliations +

Proceedings Volume 6429, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XI; 64291G (2007) https://doi.org/10.1117/12.703963
Event: SPIE BiOS, 2007, San Jose, California, United States

Abstract

We have been developing a unique discretely swept optical frequency domain imaging (OFDI) using superstructured-grating distributed Bragg reflector (SSG-DBR) lasers. To increase resolution, four SSG-DBR lasers are being developed to obtain spectral coverage of 160 nm in total. To increase speed of D-OFDI imaging, simultaneous scanning of multiple sources with a parallel OFDI system and unique transversal scanning D-OFDI have been demonstrated. Introduction of an optical amplifier can increase sensitivity beyond the conventional shot noise limit. A deep 12 mm depth range has been demonstrated with the wavelength interval of 0.05 nm.

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K. Ohbayashi, T. Amano, H. Hiro-oka, H. Furukawa, D. Choi, P. Jayavel, R. Yoshimura, K. Asaka, N. Fujiwara, H. Ishii, M. Suzuki, M. Nakanishi, and K. Shimizu "Discretely swept optical-frequency domain imaging toward high-resolution, high-speed, high-sensitivity, and long-depth-range", Proc. SPIE 6429, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XI, 64291G (7 February 2007); https://doi.org/10.1117/12.703963

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