MARCIO ANDRE PRIETO APARICIO LOPEZ
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Resumo IPEN-doc 29669 Nd:YAG polarized laser with beam quality beyond the birefringence limit and its application in a Singly-Resonant Optical Parametric Oscillator2018 - LOPEZ, MARCIO A.P.A.; BERECZKI, ALLAN; WETTER, NIKLAUS U.We demonstrate a simple, reliable and cheap high output power, linearly polarized and high-quality beam @1064 nm laser source, based on a previous work [i], where a Nd:YAG Diode-pumped Solid-state Laser (DPSSL) based on standard, commercial laser modules was presented. This kind of laser source is interesting for a large number of applications, such as pump laser for an Optical Parametric Oscillator (OPO) and frequency conversion, maintaining near-diffraction-limited beam quality factor (M2~1).Artigo IPEN-doc 24863 Dynamically stable Nd:YAG resonators with beam quality beyond the birefringence limit and pumping of a singly resonant optical parametric oscillator2018 - BERECZKI, ALLAN; LOPEZ, MARCIO A.P.A.; WETTER, NIKLAUS U.A simple, reliable, linearly polarized laser source with very high beam quality is demonstrated using standard diode-side-pumped Nd:YAG modules. The laser produced 30 W of output power with beam quality factor 𝑀2<1.15 over the entire range of input powers and beam quality of 1.02 at the laser operation point. This is, to our knowledge, the highest beam quality for a dynamically stable high-power laser that uses an optically isotropic crystal. The laser was used as a pump source for an optical parametric oscillator based on a periodically poled lithium niobate, producing wavelength in the 1.5–3.8 μm range.