All-fiber spectral-domain optical coherence tomography with high resolution by using a PCF-based broadband coupler and a k-domain linearization method

Title
All-fiber spectral-domain optical coherence tomography with high resolution by using a PCF-based broadband coupler and a k-domain linearization method
Author
한영근
Keywords
Fiber-optics; Tomography; Biological and medical applications; PHOTONIC-CRYSTAL-FIBER; 1.3 MU-M; LIGHT-SOURCE; RANGE; WAVELENGTH
Issue Date
2012-11
Publisher
KOREAN PHYSICAL SOC, 635-4, YUKSAM-DONG, KANGNAM-KU, SEOUL 135-703, SOUTH KOREA
Citation
Journal of the Korean Physical Society, Vol.61, No.9 [2012], p1485-1489
Abstract
We demonstrate spectral-domain optical coherence tomography (SD-OCT) with high axial resolution and high image acquisition speed, which is realized by using a broadband coupler based on a photonic crystal fiber (PCF). The PCF-based coupler with broad bandwidth was fabricated by using a fused biconical tapered (FBT) method, and the axial resolution of the SD-OCT was improved to be 2 A mu m. The image acquisition speed of the SD-OCT was estimated to be 500 Hz. A k-domain linearization method was exploited to compensate for the mismatched spectral information between the wave-number and the pixel position at the CCD, which was induced by the nonlinearity of the diffraction grating plate.
URI
https://link.springer.com/article/10.3938%2Fjkps.61.1485http://hdl.handle.net/20.500.11754/42969
ISSN
0374-4884
DOI
10.3938/jkps.61.1485
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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