[PDF]
http://dx.doi.org/10.3952/lithjphys.48305
Open access article / Atviros prieigos straipsnis
Lith. J. Phys. 48, 225–229 (2008)
ANOMALOUS DIFFRACTION OF IDLER
BEAM GENERATED IN OPTICAL PARAMETRIC AMPLIFIER
Algirdas Stabinis, Viktorija Pyragaitė, and Sergei Orlov
Department of Quantum Electronics, Vilnius University,
Saulėtekio 9, LT-10222 Vilnius, Lithuania
E-mail: viktorija.pyragaite@ff.vu.lt
Received 18 June 2008; accepted 18
September 2008
The diffraction of idler beam
generated in optical parametric amplifier operating at low
parametric gain is analysed. It is revealed that diffraction
properties of idler beam under propagation in the free space is
significantly different in comparison with the properties of
Gaussian beam.
Keywords: nonlinear optics, diffraction,
optical parametric amplifier
PACS: 42.60.Jf, 42.65.-k, 42.65.Yj
ANOMALI ŠALUTINĖS BANGOS,
GENERUOJAMOS OPTINIAME PARAMETRINIAME STIPRINTUVE, DIFRAKCIJA
Algirdas Stabinis, Viktorija Pyragaitė, Sergei Orlov
Vilniaus universitetas, Vilnius, Lietuva
Išanalizuota anomali šalutinės bangos,
generuojamos optiniame parametriniame stiprintuve, difrakcija mažo
stiprinimo atveju. Parodyta, kad šalutinės bangos, sklindančios
laisvoje erdvėje, difrakcinės savybės esmingai skiriasi nuo Gauso
pluoštui būdingų savybių
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