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

Mrinal K. Thakur; Jitto Titus; A. Mishra

doi:10.1117/1.1532334

1 February 2003 Single-crystal thin films of organic molecular salt may lead to a new generation of electro-optic devices

Mrinal K. Thakur, Jitto Titus, A. Mishra

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Optical Engineering, Vol. 42, Issue 2, (February 2003). https://doi.org/10.1117/1.1532334

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 (SPIE)

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Mrinal K. Thakur, Jitto Titus, and A. Mishra "Single-crystal thin films of organic molecular salt may lead to a new generation of electro-optic devices," Optical Engineering 42(2), (1 February 2003). https://doi.org/10.1117/1.1532334

Published: 1 February 2003

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