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광원의 비선형 파장스위핑이 보정된 SS-OCT

Swept Source-Optical Coherence Tomography Using New Recalibration Method for Nonlinear Sweeping Laser

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초록

In this paper, Frequency Domain Mode Locked(FDML) wavelength swept laser with 55.027 kHz sweeping speed and 125 nm sweeping range has realized, and also a new method for recalibrating a nonlinear frequency sweeping of a swept laser has proposed. The Swept Source-Optical Coherence Tomography system using the proposed method has performed. For a mirror surface, the system showed the very clean 2-dimensional image and the advanced image speed of 7 frames per sec compared to the previous recalibration method.

Abstract

In this paper, Frequency Domain Mode Locked(FDML) wavelength swept laser with 55.027 kHz sweeping speed and 125 nm sweeping range has realized, and also a new method for recalibrating a nonlinear frequency sweeping of a swept laser has proposed. The Swept Source-Optical Coherence Tomography system using the proposed method has performed. For a mirror surface, the system showed the very clean 2-dimensional image and the advanced image speed of 7 frames per sec compared to the previous recalibration method.

참고문헌 (12)

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  8. R. Huber, "Fourier Domain Mode Locking (FDML): A newlaser operating regime and applications for opticalcoherence tomography", Opt. Express, 14, pp.3225~3237 (2006)
  9. A. G. Podoleanu, "Unbalanced versus balanced operation in an optical coherence tomography system", Appl. Opt, 39, pp.173~182 (2000)
  10. Eugene Hecht, "Optics" (1987), Addison-Wesley
  11. H. S. Kim, "Realization of swept source-optical coherence tomography system using loop mirror within reference arm", Conference on Optoelectronics & Optical Communications(COOC), 14, pp.402~403 (2007)
  12. 유욱재, "광섬유 pH 센서 개발을 위한 분광학적 연구", 센서학회지, 18(5), pp.365~371 (2009), 한국센서학회

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