Open AccessTransient and steady-state multi-wave nonlinear optical properties of liquid crystal film
Author(s) -
Miao Ming-Chuan,
Xu Ze-Da,
Gang Han,
Shangchun Fan
Publication year - 2005
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.54.4776
Subject(s) - materials science , laser , optics , liquid crystal , holography , nonlinear optics , continuous wave , diffraction , polarization (electrochemistry) , crystal (programming language) , refractive index , transient (computer programming) , beam (structure) , optoelectronics , physics , chemistry , computer science , operating system , programming language
Transient and steady-state multi-wave mixing experiments are carried out on the novel azoc-tube liquid crystal sample. The shape of the diffracted multi-wave consists of rings under Ar514.5nm laser pump light, and th e nonlinear refractive index is n0.8. Using different polarization states of the pump laser light field, different reorientation models of liquid crystal molecules ar e observed. On the other hand, a Nd:YAG532nmpulsed laser is used, polarizati on holographic gratings are detected by a He-Ne (632.8nm)laser beam. Different p rocesses of liquid crystal molecular reorientation are also detected using the o -light beam and e-light beam of a He-Ne (632.8nm)laser.