Share Email Print
cover

Proceedings Paper

Discretely swept optical coherence tomography system using super-structure grating distributed Bragg reflector lasers at 1561-1639nm
Author(s): D. Choi; R. Yoshimura; H. Hiro-Oka; H. Furukawa; A. Goto; N. Satoh; A. Igarashi; M. Nakanishi; K. Shimizu; K. Ohbayashi
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

We have developed swept source optical coherence tomography (OCT) system with an optical comb swept source system. The swept source system comprised of two super-structured grating distributed Bragg reflector lasers covering a wavelength range from 1561-1693 nm. A method to scan these lasers to obtain an interference signal without stitching noises, which are inherent in these lasers, and to connect two lasers without concatenation noise is explained. Method to reduce optical aliasing noises in this optical comb swept laser OCT is explained and demonstrated based on the characteristic of the optical aliasing noises in this particular OCT system. By reduction of those noises, a sensitivity of 124 dB was realized. The A-scan rate, resolution and depth range were 3.1 kHz, 16 μm (in air) and 12 mm, respectively. Deep imaging penetration into tissue is demonstrated for two selected samples.

Paper Details

Date Published: 30 January 2012
PDF: 6 pages
Proc. SPIE 8213, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XVI, 82132F (30 January 2012); doi: 10.1117/12.905413
Show Author Affiliations
D. Choi, Kitasato Univ. (Japan)
R. Yoshimura, Kitasato Univ. (Japan)
H. Hiro-Oka, Kitasato Univ. (Japan)
H. Furukawa, Kitasato Univ. (Japan)
A. Goto, Canon Inc. (Japan)
N. Satoh, Kitasato Univ. (Japan)
A. Igarashi, Kitasato Univ. (Japan)
M. Nakanishi, Kitasato Univ. (Japan)
K. Shimizu, Kitasato Univ. (Japan)
K. Ohbayashi, Kitasato Univ. School of Medicine (Japan)


Published in SPIE Proceedings Vol. 8213:
Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XVI
Joseph A. Izatt; James G. Fujimoto; Valery V. Tuchin, Editor(s)

© SPIE. Terms of Use
Back to Top