IEEE.org| IEEE Xplore Digital Library| IEEE Standards| IEEE Spectrum| More Sites

Cart (Loading....) | Create Account | 

Close category search window
Author Searchbeta |  Advanced Search  |  Preferences |  Search Tips  |  More Search Options  
 
Browse Journals & Magazines > Journal of Applied Physics ...> Volume:104 Issue:6 Help

Laser induced gratings enhanced by surface-charge mediated electric field in doped nematic liquid crystals

Full Text Sign-In or Purchase

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $31
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing! close button
puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

5 Author(s)
Xiang, Ying ; School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, People’s Republic of China ; Liu, Yi-Kun ; Li, Tao ; Yang, Shun-Lin
more authors

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.2980274 

The optically induced grating enhanced by dc electric field in nematic liquid crystal (LC) doped with copper porphyrin is studied. The reorientational effect of the LC was not observed for the writing beams with the intensity up to 500 mW/mm2, but the threshold of the reorientation was reduced to 1 mW/mm2 with the assistance of an electric pulse applied to the LC. The low threshold for the induced grating can be retained even after switching off the dc pulse, indicating that an induced field inside the LC is present to sustain the low threshold operation for the induced grating. The low threshold operation does not persist by short circuiting of LC electrodes. The underlying mechanism is explained by an optical surface-charge mediated effect.

Published in:
Journal of Applied Physics  (Volume:104 ,  Issue: 6 )

Date of Publication: Sep 2008

Page(s):
063107 - 063107-5
ISSN :
0021-8979
Digital Object Identifier :
10.1063/1.2980274
Product Type:
Journals & Magazines
Date of Current Version :
18 June 2009
Issue Date :
Sep 2008

IEEE Account

Purchase Details

Profile Information

Need Help?


IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2013 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.