Time-resolved inline digital holography for the study of noncollinear degenerate phase modulation

N. V. Petrov, S. S. Nalegaev, A. V. Belashov, I. A. Shevkunov, S. E. Putilin, Y. C. Lin, C. J. Cheng

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Recent works demonstrated that digital time-resolved holography is the prospective approach to study nonlinear light–matter interaction processes. In this Letter, we present a straightforward inline holographic approach for studying degenerate phase modulation induced by an inclined collimated pump beam in the isotropic sample. The method is based on a minimization of the difference between experimentally acquired data and simulated inline holograms obtained from a numerical model of pump–probe interaction in optical nonlinear media. A sophisticated experimental data processing algorithm is implemented to provide high sensitivity and a signal-to-noise ratio eligible for soft interaction with a collimated pump beam. The integral phase shift determined by our method can be used to estimate the nonlinear refractive index and the relaxation time for material with a low damage threshold. We validated our approach for the case of soda-lime and BK7 glasses.

Original languageEnglish
Pages (from-to)3481-3484
Number of pages4
JournalOptics Letters
Volume43
Issue number15
DOIs
Publication statusPublished - 2018 Aug 1

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Holography
phase modulation
holography
Refractometry
Signal-To-Noise Ratio
pumps
Glass
interactions
calcium oxides
yield point
signal to noise ratios
phase shift
relaxation time
refractivity
optimization
glass
sensitivity
estimates

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Time-resolved inline digital holography for the study of noncollinear degenerate phase modulation. / Petrov, N. V.; Nalegaev, S. S.; Belashov, A. V.; Shevkunov, I. A.; Putilin, S. E.; Lin, Y. C.; Cheng, C. J.

In: Optics Letters, Vol. 43, No. 15, 01.08.2018, p. 3481-3484.

Research output: Contribution to journalArticle

Petrov, N. V. ; Nalegaev, S. S. ; Belashov, A. V. ; Shevkunov, I. A. ; Putilin, S. E. ; Lin, Y. C. ; Cheng, C. J. / Time-resolved inline digital holography for the study of noncollinear degenerate phase modulation. In: Optics Letters. 2018 ; Vol. 43, No. 15. pp. 3481-3484.
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