Generation of extended pulse trains of minimum duration by passive negative feedback applied to solid state lasers

Agnesi, Antoniangelo; Del Corno, A.; Di Trapani, P.; Fogliani, M.; Reali, Giancarlo; Diels, J. C.; Yeh, C. Y.; Zhao, X. M.; Kubecek, V.

Intracavity self-focusing in a thin two-photon absorber acts, in combination with pinholes, as an efficient power and energy limiter in flashlamp (pulsed) and arc lamp (CW) pumped actively passively mode-locked crystalline Nd-doped lasers. Power limiting by the intracavity two-photon absorber is exploited to create the condition for optimum pulse compression in the saturable absorber. Additional pulse shortening is due to the elimination of the pulse tail by self-defocusing in the nonlinear crystal. Extracavity and intracavity measurements, as well as three-dimensional computer simulations, give a complete understanding of the pulse evolution in the cavity, including the two mechanisms of pulse shaping and compression

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Titolo:	Generation of extended pulse trains of minimum duration by passive negative feedback applied to solid state lasers
Autori:	AGNESI, ANTONIANGELO DEL CORNO A. DI TRAPANI P. FOGLIANI M. REALI, GIANCARLO DIELS J. C. YEH C. Y. ZHAO X. M. KUBECEK V. mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	1992
Rivista:	IEEE JOURNAL OF QUANTUM ELECTRONICS
Abstract:	Intracavity self-focusing in a thin two-photon absorber acts, in combination with pinholes, as an efficient power and energy limiter in flashlamp (pulsed) and arc lamp (CW) pumped actively passively mode-locked crystalline Nd-doped lasers. Power limiting by the intracavity two-photon absorber is exploited to create the condition for optimum pulse compression in the saturable absorber. Additional pulse shortening is due to the elimination of the pulse tail by self-defocusing in the nonlinear crystal. Extracavity and intracavity measurements, as well as three-dimensional computer simulations, give a complete understanding of the pulse evolution in the cavity, including the two mechanisms of pulse shaping and compression
Handle:	http://hdl.handle.net/11571/109195
Appare nelle tipologie:	1.1 Articolo in rivista

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