Ferroelectric based multiple radiations source for in situ multifunctional analytical instruments

Yoseph Bar-Cohen; Shyh-Shiuh Lih; Xiaoqi Bao; Stewart Sherrit

doi:10.1117/12.598930

16 May 2005 Ferroelectric based multiple radiations source for in situ multifunctional analytical instruments

Yoseph Bar-Cohen, Shyh-Shiuh Lih, Xiaoqi Bao, Stewart Sherrit

Proceedings Volume 5758, Smart Structures and Materials 2005: Smart Sensor Technology and Measurement Systems; (2005) https://doi.org/10.1117/12.598930
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2005, San Diego, California, United States

Abstract

A ferroelectric based multiple radiation source is being developed and tested at JPL. This device has the potential to emit five radiation types enabling a new generation of compact, low power, low mass in-situ analysis instruments. These radiation types include visible light, ultraviolet, X-ray, as well as electron and ion beams. These types of emitted radiation can support multiple instruments that may potentially be used in future NASA missions to detect water, perform mineralogical/chemistry analysis and identify biological signatures. The source consists of a ferroelectric wafer having a continuous ground electrode on one side and a grid-shaped cathode on the other side. This source is placed in a vacuum tube and is used to generate plasma by switching high voltage pulses. A series of experiments were performed to evaluate the characteristics of the generated radiation and the results are described and discussed in this paper.

Citation Download Citation

Yoseph Bar-Cohen, Shyh-Shiuh Lih, Xiaoqi Bao, and Stewart Sherrit "Ferroelectric based multiple radiations source for in situ multifunctional analytical instruments", Proc. SPIE 5758, Smart Structures and Materials 2005: Smart Sensor Technology and Measurement Systems, (16 May 2005); https://doi.org/10.1117/12.598930

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