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Proceedings Paper

Linewidth of a laser diode end-pumped cw Nd:YAG semimonolithic microchip laser
Author(s): Sylvain Feve; Patrice Feron; Guy Michel Stephan
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Paper Abstract

We have recently shown that a simple formula, i.e. the generalized Airy function, can quantitatively describe the spectral density of a gas laser. This formula was obtained using semi-classical arguments. Using this model, the evolution of the total intensity as well as the laser linewidth without any discontinuity when the gain increases the well below to well above threshold, can be tracked. It contains the three fundamental effects present in a laser: the spontaneous and stimulated emissions and the resonance effect of the cavity. The source term in this Airy function is the spontaneous spectral density of the light emitted in the laser mode at the frequency v. We have also begun to compare this theory and experimental results, especially in the case of a CW end-pumped Nd:YAG semi-monolithic microchip laser.

Paper Details

Date Published: 4 May 1999
PDF: 7 pages
Proc. SPIE 3613, Solid State Lasers VIII, (4 May 1999); doi: 10.1117/12.347693
Show Author Affiliations
Sylvain Feve, Ecole National Superieure des Sciences Appliquees et de Technologies (France)
Patrice Feron, Ecole National Superieure des Sciences Appliquees et de Technologies (France)
Guy Michel Stephan, Ecole National Superieure des Sciences Appliquees et de Technologies (France)


Published in SPIE Proceedings Vol. 3613:
Solid State Lasers VIII
Richard Scheps, Editor(s)

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