18 October 2004 Radiation-resistant polymer-based photonics for space applications
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Abstract
Empirical data regarding the radiation induced responses of Mach Zehnder interferometric electro-optic polymer based modulators (PBMs) operating at 1310 and 1550 nm and broadband InP quantum dot (QD) polymer photodetectors (PPDs) operating into the near infrared (NIR) are reported. Modulators composed of spun-on materials and hybrid electostatically self assembled (ESA) and spun-on NLO materials are examined for changes to their half-wave voltage and insertion losses following a gamma-ray total dose of 163 krad(Si) and irradiation by 25.6 MeV protons at a fluence of ~1011 cm-2. Pre- and post- irradiation responses of ESA grown polymer detectors using InP QDs are examined for photovoltage degradation and aging effects. The data indicates and excellent potential for developing polymer based photonic (PBP) devices with increased radiation resistance suitable for transition to photonic space applications.
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Edward W. Taylor, James E. Nichter, Fazio Nash, Franz Haas, Attila A. Szep, Richard J. Michalak, B. Flusche, Paul L. Repak, George A. Brost, Andrew R. Pirich, Douglas M. Craig, Dang T. Le, David A. Cardimona, Harold R. Fetterman, Boris Tsap, Carlos M. Castaneda, Richard R. Barto, Tingying Zeng, David Wood, Richard O. Claus, "Radiation-resistant polymer-based photonics for space applications", Proc. SPIE 5554, Photonics for Space Environments IX, (18 October 2004); doi: 10.1117/12.556659; https://doi.org/10.1117/12.556659
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KEYWORDS
Polymers

Gamma radiation

Modulators

Photonics

Control systems

Photodetectors

Waveguides

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