Open AccessHighly efficient phase-conjugation of a 1 µm pico-second Laguerre-Gaussian beam
Author(s) -
Gyeong Bok Jung,
Keiichiro Kanaya,
Takashige Omatsu
Publication year - 2006
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.14.002250
Subject(s) - optics , phase conjugation , laguerre polynomials , conjugate , phase (matter) , beam (structure) , angular momentum , gaussian beam , gaussian , physics , light beam , optical vortex , materials science , laser , mathematics , quantum mechanics , mathematical analysis
We have demonstrated highly efficient Laguerre Gaussian beam generation by using a ring self-pumped phase conjugate mirror in the pico-second regime for the first time. The phase conjugate reflectivity was typically ~55%. We have also investigated the conservation of optical angular momentum.