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Titolo:
Q-SWITCH REGIME OF 3-MU-M ER-YAG LASERS
Autore:
GEORGESCU S; LUPEI V;
Indirizzi:
INST ATOM PHYS,POB MG-6 R-76900 BUCHAREST ROMANIA
Titolo Testata:
IEEE journal of quantum electronics
fascicolo: 6, volume: 34, anno: 1998,
pagine: 1031 - 1040
SICI:
0018-9197(1998)34:6<1031:QRO3EL>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Soggetto:
MU-M; ER-3+; POLARIZER; DYNAMICS; CRYSTALS; ENERGY;
Keywords:
ERBIUM MATERIALS/DEVICES; LUMINESCENT MATERIALS/DEVICES; OPTICAL PULSE GENERATION; OPTICAL SWITCHES; PULSED LASERS; Q-SWITCHED LASERS; SOLID LASERS; YAG LASERS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
24
Recensione:
Indirizzi per estratti:
Citazione:
S. Georgescu e V. Lupei, "Q-SWITCH REGIME OF 3-MU-M ER-YAG LASERS", IEEE journal of quantum electronics, 34(6), 1998, pp. 1031-1040

Abstract

A mathematical model, based exclusively on spectroscopic data concerning radiative, nonradiative, and energy transfer processes, is proposed and used to simulate the Q-switch regime of a 3-mu m Er:YAG laser, The connection between the main energy transfer mechanisms that make possible generation on the self-saturated transition I-4(11/2) --> I-4(13/2) (upconversion from I-4(13/2) and I-4(11/2) and cross relaxation from S-4(3/2)) and the giant pulse characteristics are discussed. The radiative as well as nonradiative losses during optical pumping and giant pulse generation are defined and evaluated. A particular attention is given to the frustrated total internal reflection (FTIR) Q-switch which demonstrated real qualities for 3-mu m erbium lasers. The reasonsresponsible for experimental performances of Q-switched Er:YAG lasersinferior to those predicted by the mathematical modeling are analyzed.

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Documento generato il 21/09/18 alle ore 07:36:37