Demonstration of planar waveguides on thick LD-3 polymer films for true-time-delay applications

Richard Liqiang Li; Huajun Tang; Ray T. Chen

doi:10.1117/12.251836

30 September 1996 Demonstration of planar waveguides on thick LD-3 polymer films for true-time-delay applications

Richard Liqiang Li, Huajun Tang, Ray T. Chen

Proceedings Volume 2851, Photopolymer Device Physics, Chemistry, and Applications III; (1996) https://doi.org/10.1117/12.251836
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

The successful synthesis of the LD-3 electrooptic polymer has resulted in a highly reliable nonlinear organic material. However, further progress has been impeded due to the fact that LD-3 films produced thus far are too thin to form useful waveguide devices. Here the formation of thick LD-3 films ranging from 1.2 micrometers to 2.4 micrometers by using cyclopentanone as the new solvent are reported. Preliminary waveguide loss studied shows a guide loss of approximately 3 dB/cm. Aimed at forming true-time-delay lines for phased- array antenna applications, optical heterodyne detection is conducted using various waveguide lengths. A heterodyne signal of a base bandwidth of 25 GHz is demonstrated with signal-to-noise ratio of 15 dB.

Citation Download Citation

Richard Liqiang Li, Huajun Tang, and Ray T. Chen "Demonstration of planar waveguides on thick LD-3 polymer films for true-time-delay applications", Proc. SPIE 2851, Photopolymer Device Physics, Chemistry, and Applications III, (30 September 1996); https://doi.org/10.1117/12.251836

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