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Electrical Engineering School of Engineering
City College of New York
140th St. & Convent Ave.
New York, New York 10031

Phone: (212) 650-8253/5036
FAX: (212) 650-8249
Email: dorsin@ee-mail.engr.ccny.cuny.edu
URL: http://www-ee.engr.ccny.cuny.edu/faculty/dorsin.html

Picture of Roger Dorsinville
Roger Dorsinville

Description of Research
Dr. Dorsinville's current research interests include the study of the magnitude and relaxation time of the optical nonlinear response of organic materials to determine the suitability of the optical nonlinearities for potential applications (optoelectronics, phase conjugation, optical computing) and to provide basic knowledge about the mechanisms of the nonlinear optical response. Time resolved degenerate and nondegenerate four wave mixing, zscan, and various pump and probe techniques are used to characterize nonlinearities and carrier dynamics. Another focus of his research is the fabrication and characterization of organic light emitting diodes. Specific goals of this program are to identify new polymer emitters and to improve long term stability of organic based electroluminescent devices.
Recent Papers or Publications
Phosphorescent emission from polymeric light emitting diodes doped with chrysene-d12. S. Blumstengel and R. Dorsinville. Jpn. J. Appl. Phys.38, 403 (1999).

Characterization of third-order nonlinear properties in polymers. Ardie Walser, G. Coskun, R. Dorsinville. Plast. Engn. 45, 423-452 (1998).

Excited-state dynamics of thiophene thin films studied by time-resolved degenerate four-wave mixing. David Harris, Takeo Mukai, and Roger Dorsinville. Appl Phys. Lett., 70, 1216 (1997)

Special Honors or Awards

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