Referenced Items are not available for this document.
A general model has been developed for the generation of Hermite-Gaussian modes in fiber-coupled laser-diode end-pumped lasers by off-axis pumping. Hermite-Gaussian modes can be used as an M2 standard in the calibration process due to the fact that these modes have a definite M2 factor. The present model predicts how the oscillation of Hermite-Gaussian modes is affected by the pump position, the pump size, and cavity mode size. A straightforward procedure have also been provided to design the optical coupling system for the lowest threshold in the generation of Hermite-Gaussian modes. All of the key parameters of the optimum pump condition are in terms of laser-diode beam quality and properties of the active medium. Experimental results have shown a fairly good agreement with the theoretical predictions
Published in:
Quantum Electronics, IEEE Journal of
(Volume:33
,
Issue:
6
)
Date of Publication: Jun 1997
- Page(s):
- 1025 - 1031
- ISSN :
- 0018-9197
- INSPEC Accession Number:
- 5611733
- Digital Object Identifier :
- 10.1109/3.585491
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Jun 1997
- Sponsored by :
- IEEE Photonics Society
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