ORGANIC ELECTRO-OPTICS

Single-crystal thin films of organic molecular salt may lead to a new generation of electro-optic devices

[+] Author Affiliations
Mrinal Thakur, Jitto Titus, Alpana Mishra

Auburn University, Auburn, Alabama?36849

Opt. Eng. 42(2), 456-458 (Feb 01, 2003). doi:10.1117/1.1532334
History: Received Mar. 15, 2002; Revised Jun. 12, 2002; Accepted Jul. 16, 2002; Online January 29, 2003
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Single-crystal films of an organic molecular salt, 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) with exceptional optical quality are prepared by a modification of the shear method. Electro-optic modulation for light propagating perpendicular to the film is measured at 720 and 750 nm wavelengths with electric fields over the frequency range of 2 kHz to 100 MHz. A modulation depth of 80% was measured at 750 nm for a field of 4 V/μm in a 4-μm-thick film. The measured electro-optic response is flat over the frequency range used (2 kHz to 100 MHz), indicating electronic origin of the electro-optic effect. The results show that these films may lead to a new generation of electro-optic devices. © 2003 Society of Photo-Optical Instrumentation Engineers.

© 2003 Society of Photo-Optical Instrumentation Engineers

Citation

Mrinal Thakur ; Jitto Titus and Alpana Mishra
"Single-crystal thin films of organic molecular salt may lead to a new generation of electro-optic devices", Opt. Eng. 42(2), 456-458 (Feb 01, 2003). ; http://dx.doi.org/10.1117/1.1532334


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