Optical parametric master oscillator and power amplifier for efficient conversion of high-energy pulses with high beam quality | Zendy

Gunnar Arisholm | Zendy; �rnulf Nordseth | Zendy; Gunnar Rustad | Zendy

Open Access

Optical parametric master oscillator and power amplifier for efficient conversion of high-energy pulses with high beam quality

Author(s) -

Gunnar Arisholm,

�rnulf Nordseth,

Gunnar Rustad

Publication year - 2004

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.12.004189

Subject(s) - optics , optical parametric amplifier , amplifier , laser beam quality , signal beam , optical parametric oscillator , beam (structure) , parametric oscillator , signal (programming language) , optical amplifier , energy (signal processing) , materials science , laser , parametric statistics , energy conversion efficiency , power (physics) , nonlinear optics , physics , optoelectronics , laser beams , computer science , statistics , mathematics , cmos , quantum mechanics , programming language

We describe a system for parametric conversion of high-energy,Q-switched laser pulses from 1.064 microm to 2.1 microm in KTiOPO(4). High beam quality and efficiency are obtained by use of a two-stage system: An optical parametric oscillator (OPO) pumped by a narrow beam with 8 mJ of energy, generates 1.9 mJ of signal energy for seeding an optical parametric amplifier (OPA). With 500 mJ pump energy, different OPA configurations produce up to 138 mJ signal energy with M(2) approximately 2.3.

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