Schwarz, Ulrich T. and Niggl, L. and Maier, Max (2000) Gain guiding in stimulated scattering processes with hollow Bessel pump beams. OPTICS COMMUNICATIONS, 181 (4-6). pp. 413-423. ISSN 0030-4018
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Gain guiding of the Stokes light in stimulated Raman scattering is calculated for a diffraction-free first-order J(1) Bessel pump beam, which has a phase singularity and zero field amplitude in its center. Experiments performed in hydrogen gas with a quasi-diffraction-free J(1) Bessel pump beam generated by a diffractive axicon show two spatial modes of first-order Stokes emission which have different azimuthal intensity distributions and angular spectra, in good quantitative agreement with the theoretical predictions. (C) 2000 Elsevier Science B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | RAMAN-SCATTERING; 2ND-HARMONIC GENERATION; CRYSTALS; stimulated Raman scattering; Bessel beam; axicon beam; diffraction-free beam; gain-guided modes |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Ulrich Schwarz |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 30 Mar 2022 13:00 |
| Last Modified: | 30 Mar 2022 13:00 |
| URI: | https://pred.uni-regensburg.de/id/eprint/42324 |
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