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SWEPT SOURCE OPTICAL COHERENCE TOMOGRAPH AND METHOD FOR STABILIZING PHASE THEREOF

Foreign code F130007586
File No. S2012-0277-N0
Posted date Jul 24, 2013
Country WIPO
International application number 2012JP082460
International publication number WO 2013/103080
Date of international filing Dec 14, 2012
Date of international publication Jul 11, 2013
Priority data
  • P2012-000313 (Jan 5, 2012) JP
Title SWEPT SOURCE OPTICAL COHERENCE TOMOGRAPH AND METHOD FOR STABILIZING PHASE THEREOF
Abstract

The purpose of the present invention is to reduce the jitter between the wavelength scan of a light source and the timing at which data is collected by a light detector as a spectral interference signal, and to stabilize the phase of the tomograph without additional use of costly and complex hardware. Light is emitted from an SS-OCT wavelength-scanning light source (2) and is split into beams. Reference light reflected from a fixed reference mirror (8), and object light reflected by an object (6) to be measured are superposed on each other. A computer (16) generates a tomographic image on the basis of a spectral interference signal detected by a light detector (15). The computer is caused to function so that rough correction is performed by a first correction means and more detailed correction is performed by a second correction means, and the phase of the SS-OCT is stabilized.

  • Applicant
  • ※All designated countries except for US in the data before July 2012
  • UNIVERSITY OF TSUKUBA
  • Inventor
  • YASUNO YOSHIAKI,
  • ITOH MASAHIDE,
  • HONG YOUNGJOO
IPC(International Patent Classification)
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