Scientific Results

Parametric study of a hybrid stable unstable resonator (HSUR) for slab lasers in strongly non-confocal configuration

Year: 2010

Authors: Lapucci A., Ciofini M.

Autors Affiliation: Istituto Nazionale di Ottica – C.N.R., Largo Enrico Fermi 6, 50125 Firenze, Italy

Abstract: We present a numerical analysis, modeling the behavior of a Hybrid Stable-Unstable Resonator (HSUR) in strongly non-confocal configurations. The simulation outputs enable us to attest the extracted beam properties observed in our experiments on a Diode Pumped Ceramic Nd:YAG laser equipped with a non-confocal HSUR. Beam structure and propagation factor M2 are calculated and compared to the experimental measures. The parametric study of cavity losses and extracted beam properties also demonstrates that out-coupling coefficients compatible with design requirements and good quality extracted beams can be obtained also in this non-canonical cavity setup.

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More Information: Sponsors: EOARD; Bulgarian Academy of Sciences; Institute of Electronics; National Science Fund of Bulgaria; The Society of Photo-Optical Instrumentation Engineers (SPIE)
KeyWords: Beam structures; Cavity loss; Ceramic lasers; Confocal configuration; Coupling coefficient; Design requirements; Diode-pumped; Diode-pumped lasers; Extracted beam; ND : YAG lasers; Parametric study; Propagation factor; Slab lasers; Unstable resonators, Ceramic materials; Chemical lasers; Diodes; Flow of gases; Laser resonators; Lasers; Numerical analysis; Optical resonators; Pumping (laser); Solid state lasers, Neodymium laserss
DOI: 10.1117/12.873735

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