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Applied Optics

Applied Optics


  • Vol. 36, Iss. 33 — Nov. 20, 1997
  • pp: 8622–8625

Shearing interferometer based on second-harmonic generation and a novel technique of n2 direct measurements

Vladimir P. Drachev, Sergey V. Ertsenkin, Sergey V. Perminov, Vladimir P. Safonov, and Pavel A. Chubakov  »View Author Affiliations

Applied Optics, Vol. 36, Issue 33, pp. 8622-8625 (1997)

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We present a new wave-front sensitive interferometry technique (called dispersion shearing interferometry) for the measurement of both the sign and the magnitude of n2. The interference pattern is produced by two laterally shifted second harmonics of the laser source. Only the fundamental wave passes through the nonlinear sample, which is placed before the interferometer. We demonstrate this technique on an aggregated colloidal silver solution using a YAG:Nd laser and KTiOPO4 frequency doublers.

© 1997 Optical Society of America

Original Manuscript: January 27, 1997
Revised Manuscript: June 19, 1997
Published: November 20, 1997

Vladimir P. Drachev, Sergey V. Ertsenkin, Sergey V. Perminov, Vladimir P. Safonov, and Pavel A. Chubakov, "Shearing interferometer based on second-harmonic generation and a novel technique of n2 direct measurements," Appl. Opt. 36, 8622-8625 (1997)

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