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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 36 — Dec. 20, 2012
  • pp: 8863–8872

Spatial and temporal film thickness measurement of a soap bubble based on large lateral shearing displacement interferometry

Wei Lv, Huaichun Zhou, Chun Lou, and Jinrong Zhu  »View Author Affiliations


Applied Optics, Vol. 51, Issue 36, pp. 8863-8872 (2012)
http://dx.doi.org/10.1364/AO.51.008863


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Abstract

The film thickness of a hanging soap bubble has been studied along its gravitational orientation after its birth and before its bursting using large lateral shearing displacement interferometry, with a theoretical error of less than 0.325λ. The results show that the spatial distribution of the film thickness could be approximated with an exponential model in all captured frames, especially in the lower half of the soap bubble. Before its bursting, a special zone, where the water layer has drained out while the surfactant solution layer remains, will occur at the top of the soap bubble and gradually expand toward the bottom. Moreover, the simulated fringe patterns based on the computed values match well with the experimentally observed ones.

© 2012 Optical Society of America

OCIS Codes
(120.1880) Instrumentation, measurement, and metrology : Detection
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(310.6870) Thin films : Thin films, other properties

ToC Category:
Thin Films

History
Original Manuscript: August 13, 2012
Revised Manuscript: November 12, 2012
Manuscript Accepted: November 29, 2012
Published: December 20, 2012

Citation
Wei Lv, Huaichun Zhou, Chun Lou, and Jinrong Zhu, "Spatial and temporal film thickness measurement of a soap bubble based on large lateral shearing displacement interferometry," Appl. Opt. 51, 8863-8872 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-36-8863

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