Self-focusing of CW laser beam with variable radius in rubidium atomic vapor

V. A. Sautenkov, M. N. Shneider, S. A. Saakyan, E. V. Vilshanskaya, D. A. Murashkin, I. D. Arshinova, B. V. Zelener, B. B. Zelener

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Self-focusing of cw laser beam in a rubidium atomic vapor was studied. The beam radius and power at the entrance of a rubidium vapor cell were variable parameters. A steep grow of the self-focusing threshold power for the small beam radius (≤30μm) was observed. Our experimental data are in a qualitative agreement with the recently published theoretical results obtained for a conventional non-resonant gas. Additional experiments in the resonance and transparent non-resonant media are suggested in order to check and extend our measurements.

Original languageEnglish (US)
Pages (from-to)131-135
Number of pages5
JournalOptics Communications
Volume431
DOIs
StatePublished - Jan 15 2019

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Keywords

  • Atomic spectroscopy
  • Nonlinear optics
  • Self-focusing

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