Space Radiation Environment Testing of Liquid Crystal Phase Shifter Devices

作者：Woehrle Christopher D^*; Doyle Derek T; Lane Steven A; Christodoulou Christos G

来源：IEEE Antennas and Wireless Propagation Letters, 2016, 15: 1923-1926.

DOI：10.1109/LAWP.2015.2511058

• Liquid crystal (LC) devices
• phase shifters
• radiation effects
• space environment
• tunable circuits and devices

This letter presents a reconfigurable phase shifter based on liquid crystal (LC) technology for use in space applications. A tunable phase shifter for the Ka-band is discussed and described in detail in terms of performance and functionality. The focus of this letter is placed on the performance of liquid crystals in lab-simulated space radiation conditions including surface charging, X-ray, and gamma radiation effects. Test results suggest that liquid crystal is quite resilient to adverse effects from the space radiation environment.

• 出版日期2016