Title :
Narrowing of angular spectrum of second harmonic beam generated by incoherent conical pump
Author :
Pyragaite, Viktorija ; Stanislovaitis, Paulius ; Narmonatas, Andrius ; Smilgevicius, Valerijus
Author_Institution :
Dept. of Quantum Electron., Vilnius Univ., Vilnius, Lithuania
fDate :
June 30 2014-July 4 2014
Abstract :
Second harmonic generation can serve for improvement of coherence in two-dimensional case. Incoherent pump beams should obey conical geometry. Then, the angular spectrum of the generated second harmonic beam narrows during the propagation in nonlinear crystal.
Keywords :
geometrical optics; laser beams; optical harmonic generation; optical pumping; spectral line narrowing; angular spectrum narrowing; conical geometry; incoherent conical pump; incoherent pump beams; nonlinear crystal; optical propagation; second harmonic beam generation; Coherence; coherence; conical beams; second harmonic generation;
Conference_Titel :
Laser Optics, 2014 International Conference
Conference_Location :
Saint Petersburg
Print_ISBN :
978-1-4799-3884-1
DOI :
10.1109/LO.2014.6886406
