Plastic integrated optical components made by molding, liquid jet delineation, and photoprocessing

Sergey S. Sarkisov; Zedric Antone Teague; Andre Taylor; Abdalla M. Darwish; Putcha Venkateswarlu; Hossin Ahmed Abdeldayem; Donald O. Frazier; Grigory Adamovsky; Jack L. McCain; George A. Keller

doi:10.1117/12.279146

22 September 1997 Plastic integrated optical components made by molding, liquid jet delineation, and photoprocessing

Sergey S. Sarkisov, Zedric Antone Teague, Andre Taylor, Abdalla M. Darwish, Putcha Venkateswarlu, Hossin Ahmed Abdeldayem, Donald O. Frazier, Grigory Adamovsky, Jack L. McCain, George A. Keller

Author Affiliations +

Proceedings Volume 3135, Precision Plastic Optics for Optical Storage, Displays, Imaging, and Communications; (1997) https://doi.org/10.1117/12.279146
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

We present the results on fabrication of plastic integrated optical elements using molding, liquid jet delineation, and UV irradiation. Coupling gratings with a period of 620 mm^-1 and a diffraction efficiency of 3.3 percent were molded in a preheated poly(methyl methacrylate) planar waveguide using master saw shaped grating. An experimental device is also described which uses computer controlled micro syringe to dispense polymer solution onto a moving substrate. This device consumes thousand times less material to produce integrated optical circuits than equivalent spin- casting equipment.We have made various structures such as Y- branches and Mach-Zehnder interferometers. All the structures demonstrated good performance. The same device was also equipped with a microscope-type UV illuminator for noncontact delineation of optical structures in polyimide films. The operation is based on the refractive index increase due to photo-oxidative decomposition of the material. The index difference 0.02 between exposed and unexposed regions is sufficient to define light guiding channels in polyimide without using liquid developing. UV radiation was also used to make graded-index polyimide waveguides. Their refractive index profile was successfully reconstructed by a specially developed calculation technique. All the techniques combined together give us the cost efficient tool for the fabrication of plastic integrated optics.

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Sergey S. Sarkisov, Zedric Antone Teague, Andre Taylor, Abdalla M. Darwish, Putcha Venkateswarlu, Hossin Ahmed Abdeldayem, Donald O. Frazier, Grigory Adamovsky, Jack L. McCain, and George A. Keller "Plastic integrated optical components made by molding, liquid jet delineation, and photoprocessing", Proc. SPIE 3135, Precision Plastic Optics for Optical Storage, Displays, Imaging, and Communications, (22 September 1997); https://doi.org/10.1117/12.279146

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