A method of improving scanning speed and resolution of OFDR-OCT using multiple SSG-DBR lasers simultaneously

DongHak Choi; Hideaki Hiro-Oka; Takuji Amano; Hiroyuki Furukawa; Naoki Fujiwara; Hiroyuki Ishii; Kohji Ohbayashi

doi:10.1117/12.704250

7 February 2007 A method of improving scanning speed and resolution of OFDR-OCT using multiple SSG-DBR lasers simultaneously

DongHak Choi, Hideaki Hiro-Oka, Takuji Amano, Hiroyuki Furukawa, Naoki Fujiwara, Hiroyuki Ishii, Kohji Ohbayashi

Author Affiliations +

Proceedings Volume 6429, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XI; 64292E (2007) https://doi.org/10.1117/12.704250
Event: SPIE BiOS, 2007, San Jose, California, United States

Abstract

The superstructured-grating distributed-Bragg-reflector laser is a small (shorter than 1 mm in length) and relatively cheap swept source for optical-frequency-domain- reflectometry optical coherence tomography (OFDR-OCT), which practically enables use of multiple sources in a single OCT system. Simultaneous scanning of multiple sources over different wavelength regions and at different wavelength values in the same wavelength region enable improvement of the resolution and scanning speed, respectively. Those improvements have been demonstrated using C-band and L-band SSG-DBR sources.

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DongHak Choi, Hideaki Hiro-Oka, Takuji Amano, Hiroyuki Furukawa, Naoki Fujiwara, Hiroyuki Ishii, and Kohji Ohbayashi "A method of improving scanning speed and resolution of OFDR-OCT using multiple SSG-DBR lasers simultaneously", Proc. SPIE 6429, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XI, 64292E (7 February 2007); https://doi.org/10.1117/12.704250

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