Advanced Organic Electro-Optic Materials for Integrated Device Applications
Abstract
Electro-optic chromophores (FTC and CLD) were synthesized in bulk (kilogram) quantities and were distributed to the participants of this program project (Steier, Fetterman, Chen, and TACAN/IPITEK). They were also provided to other Department of Defense programs including to researchers at China Lake (Navy), Redstone Arsenal (Army), and Wright Paterson (Air Force Research Laboratory) and to various industrial programs (e.g., Lockheed Martin) participating in DoD research programs. FTC and CLD chromophores were systematically modified to improve their properties, including for lattice hardening to stabilize electro-optic activity for operation at elevated temperatures and photon flux levels. Over 100 variants of these chromophores were synthesized and were evaluated. Reaction yields were optimized by systematically variation of reaction conditions. New chromophores were also synthesized at the University of Washington including those involving incorporation of significantly improved chromophores. These new materials involve factors of 1.5-2.0 improvement over FTC and CLD chromophores in terms of electro- optic activity at telecommunication wavelengths. They also have proven more amendable to being processed into hardened material lattices and have exhibited significantly improved thermal and photochemical stability. The role of chromophore structure and the use of radical (and singlet oxygen) scavengers have been investigated. The results can be utilized to fabricate materials with significantly improved photochemical stability.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 2001
- Accession Number
- ADA408887
Entities
People
- Larry D. Dalton
Organizations
- University of Washington