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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 26 — Dec. 25, 2006
  • pp: 12744–12750

High resolution group refractive index measurement by broadband supercontinuum interferometry and wavelet-transform analysis

D. Reolon, M. Jacquot, I. Verrier, G. Brun, and C. Veillas  »View Author Affiliations

Optics Express, Vol. 14, Issue 26, pp. 12744-12750 (2006)

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In this paper we propose group refractive index measurement with a spectral interferometric set-up using a broadband supercontinuum generated in an air-silica Microstructured Optical Fibre (MOF) pumped with a picosecond pulsed microchip laser. This source authorizes high fringes visibility for dispersion measurements by Spectroscopic Analysis of White Light Interferograms (SAWLI). Phase calculation is assumed by a wavelet transform procedure combined with a curve fit of the recorded channelled spectrum intensity. This approach provides high resolution and absolute group refractive index measurements along one line of the sample by recording a single 2D spectral interferogram without mechanical scanning.

© 2006 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(290.3030) Scattering : Index measurements

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: October 18, 2006
Manuscript Accepted: November 7, 2006
Published: December 22, 2006

David Reolon, Maxime Jacquot, Isabelle Verrier, Gérald Brun, and Colette Veillas, "High resolution group refractive index measurement by broadband supercontinuum interferometry and wavelet-transform analysis," Opt. Express 14, 12744-12750 (2006)

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  1. D. Reolon, M. Jacquot, I. Verrier, G. Brun and C. Veillas, "Broadband supercontinuum interferometer for high-resolution profilometry," Opt. Express 14, 128 (2006). [CrossRef] [PubMed]
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  5. P. Hlubina, T. Martynkien and W. Urbañczyk, "Dispersion of group and phase modal birefringence in elliptical-core fiber measured by white-light spectral interferometry," Opt. Express 11, 2793 (2003). [PubMed]
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  8. A. Hirai and H. Matsumoto, "Measurement of group refractive index wavelength dependence using a low-coherence tandem interferometer," Appl. Opt. 45, 5614 (2006). [CrossRef] [PubMed]
  9. P. Champert, V. Couderc, P. Leproux, S. Février, V. Tombelaine, L. Labonté, P. Roy, C. Froehly, and P. Nérin, "White light supercontinuum generation in normally dispersive optical fiber using original multiwavelength pumping system," Opt. Express 12,4366 (2004). [CrossRef] [PubMed]
  10. V. Tombelaine, C. Lesvigne, P. Leproux, L. Grossard, V. Couderc, J. L. Auguste, J. M. Blondy, G. Huss and P. H. Pioger, "Ultra wide band supercontinuum generation in air-silica holey fibers by SHG-induced modulation instabilities," Opt. Express 13, 7399 (2005). [CrossRef] [PubMed]
  11. S. K. Debnath, N. K. Viswanathan and M. P. Kothiyal, "Spectrally resolved phase-shifting interferometry for accurate group-velocity dispersion measurements," Opt. Lett. 31, 3098 (2006). [CrossRef] [PubMed]
  12. Y. Deng, Z. Wu, L. Chai, C. Wang, K. Yamane, R. Morita, M. Yamashita and Z. Zhang, "Wavelet-transform analysis of spectral shearing interferometry for phase reconstruction of femtosecond optical pulses," Opt. Express 13, 2120 (2005). [CrossRef] [PubMed]
  13. Y. Fu, C. Jui, C. Quan and H. Miao, "Wavelet analysis of speckle patterns with a temporal carrier," Appl. Opt. 44, 959 (2005). [CrossRef] [PubMed]

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