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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 3 — Jan. 20, 2004
  • pp: 530–536

Analysis of Capillary Interferometry for Measuring Refractive Indices of Minute Samples

Shengwen Qi, Xiuqin Yang, Chunping Zhang, Lianshun Zhang, Xinyu Wang, Tang Xu, Jianguo Tian, and Guangyin Zhang  »View Author Affiliations


Applied Optics, Vol. 43, Issue 3, pp. 530-536 (2004)
http://dx.doi.org/10.1364/AO.43.000530


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Abstract

A method of measuring the refractive indices of minute samples by analyzing capillary interferometry is introduced. With the interference theory of light, the intensity distribution of an interference fringe pattern formed by a cylindrical tube of a capillary is obtained, and the influence of some parameters on the fringes are discussed. The measurement accuracy and its relative problems are analyzed.

© 2004 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5710) Instrumentation, measurement, and metrology : Refraction
(260.3160) Physical optics : Interference

Citation
Shengwen Qi, Xiuqin Yang, Chunping Zhang, Lianshun Zhang, Xinyu Wang, Tang Xu, Jianguo Tian, and Guangyin Zhang, "Analysis of Capillary Interferometry for Measuring Refractive Indices of Minute Samples," Appl. Opt. 43, 530-536 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-3-530


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References

  1. D. J. Bornhop, M. P. Houlne, C. K. Kenmore, and J. Hankins, “Capillary interferometry detects minute samples,” Laser Focus World 32, 83–90 (1996).
  2. D. J. Bornhop and N. J. Dovichi, “Simple nanoliter refractive index detector,” Anal. Chem. 58, 504–505 (1986).
  3. A. E. Bruno, B. Krattiger, F. Maystre, and H. M. Widmer, “On-column laser-based refractive index detector for capillary electrophoresis,” Anal. Chem. 63, 2689–2697 (1991).
  4. Y.-Z. Deng and B.-C. Li, “On-column refractive-index detection based on retroreflected beam interference for capillary electrophoresis,” Appl. Opt. 37, 998–1005 (1998).
  5. D. J. Bornhop, “Microvolume index of refraction determinations by interferometric backscatter,” Appl. Opt. 34, 3234–3239 (1995).
  6. M. Born and E. Wolf, Principles of Optics (Cambridge U. Press, Cambridge, 1999).
  7. B. C. Li, Y. Z. Deng, and J. K. Cheng, “Sensitive photothermal interferometric detection method for characterization of transparent plate samples,” Rev. Sci. Instrum. 67, 3649–3657 (1996).

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