Linewidth of a laser diode end-pumped cw Nd:YAG semimonolithic microchip laser

Sylvain Feve; Patrice Feron; Guy Michel Stephan

doi:10.1117/12.347693

4 May 1999 Linewidth of a laser diode end-pumped cw Nd:YAG semimonolithic microchip laser

Sylvain Feve, Patrice Feron, Guy Michel Stephan

Proceedings Volume 3613, Solid State Lasers VIII; (1999) https://doi.org/10.1117/12.347693
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

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.

Citation Download Citation

Sylvain Feve, Patrice Feron, and Guy Michel Stephan "Linewidth of a laser diode end-pumped cw Nd:YAG semimonolithic microchip laser", Proc. SPIE 3613, Solid State Lasers VIII, (4 May 1999); https://doi.org/10.1117/12.347693

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