Presentation 2015-02-19
The effect of modulation scheme of dispersion-tuned fiber laser for OCT application
Yuya TAKUBO, Shinji YAMASHITA,
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Abstract(in English) Dispersion-tuned fiber laser is fast and widely wavelength-swept fiber laser, which is suitable for optical coherence tomography application. In order to extend the imaging depth, the instantaneous linewidth of the laser should be narrowed. The higher modulation frequency for mode-locking leads to narrower linewidth. However, it also bring a narrowing of tuning range, which means the axial resolution of OCT worsens. One method to solve this trade-off is using pulse modulation. By using this modulation scheme, we can achieve effectively high modulation frequency without narrowing the tuning range. In this paper, the difference of the laser performance between sine modulation and pulse modulation is discussed.
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Keyword(in English) Fiber lasers / Tunable / OCT
Paper # OCS2014-108,OFT2014-65,OPE2014-210
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Conference Information
Committee OCS
Conference Date 2015/2/12(1days)
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Registration To Optical Communication Systems (OCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) The effect of modulation scheme of dispersion-tuned fiber laser for OCT application
Sub Title (in English)
Keyword(1) Fiber lasers
Keyword(2) Tunable
Keyword(3) OCT
1st Author's Name Yuya TAKUBO
1st Author's Affiliation Research Center for Advanced Science and Technology, the University of Tokyo()
2nd Author's Name Shinji YAMASHITA
2nd Author's Affiliation Research Center for Advanced Science and Technology, the University of Tokyo
Date 2015-02-19
Paper # OCS2014-108,OFT2014-65,OPE2014-210
Volume (vol) vol.114
Number (no) 451
Page pp.pp.-
#Pages 6
Date of Issue