1. 1Sengupta, A., Brophy, J., and Goodfellow, K. “Status of the Extended Life Test of the Deep Space 1 Flight Spare Ion Engine After 30,352 Hours of Operation,” 39thAIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit,Huntsville, Alabama, July 2003, AIAA 2003-4558.
2. 2Brophy, J. and Garner, C. “A 5,000 Hour Xenon Hollow Cathode Life Test,” 27(th) AIAA/SAE/ASME/ASEE Joint Propulsion Conference, Sacramento, CA, June 1991, AIAA-1991-2122.
3. 3Latham, P., Pearce, A., and Bond, R. “Erosion Processes in the UK-25 Ion Thruster,” 22ndInternational Electric Propulsion Conference, Italy, Oct 1991.
4. Electron emission from a hollow cathode-based plasma contactor
5. 5Farnell,C.andJ.D.Williams,“MeasurementofIonEnergyDistributionsProducedwithinaNSTARDischargeChamber,” 40thAIAA/ASMA/SAE/ASEE Joint Propulsion Conference and Exhibit, Fort Lauderdale, Florida, July 2004, AIAA 2004-3432.