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Proceedings Paper

Discretely swept optical-frequency domain imaging toward high-resolution, high-speed, high-sensitivity, and long-depth-range
Author(s): 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
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Paper 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.

Paper Details

Date Published: 7 February 2007
PDF: 7 pages
Proc. SPIE 6429, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XI, 64291G (7 February 2007); doi: 10.1117/12.703963
Show Author Affiliations
K. Ohbayashi, Kitasato Univ. (Japan)
T. Amano, Kitasato Univ. (Japan)
H. Hiro-oka, Kitasato Univ. (Japan)
H. Furukawa, Kitasato Univ. (Japan)
D. Choi, Kitasato Univ. (Japan)
P. Jayavel, Kitasato Univ. (Japan)
R. Yoshimura, NTT Corp. (Japan)
K. Asaka, NTT Corp. (Japan)
N. Fujiwara, NTT Corp. (Japan)
H. Ishii, NTT Corp. (Japan)
M. Suzuki, Kitasato Univ. (Japan)
M. Nakanishi, Kitasato Univ. (Japan)
K. Shimizu, Kitasato Univ. (Japan)


Published in SPIE Proceedings Vol. 6429:
Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XI
James G. Fujimoto; Joseph A. Izatt; Valery V. Tuchin, Editor(s)

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