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Probing Anomalously High Quantum Efficiency of Self-Healing Gold Photocathodes. Alexandra Boldin Dr. Eric Montgomery, Blake Riddick. QE and Self-Healing Photocathodes. Cesium Auride. Spicer et al., Phys. Rev. 115, 57 (1959). Khan et al., J. Vac. Sci. Tech. B 30, 031207 (2012). - PowerPoint PPT Presentation
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Probing Anomalously High Quantum Efficiency of Self-Healing Gold Photocathodes
Alexandra Boldin
Dr. Eric Montgomery, Blake Riddick
QE and Self-Healing Photocathodes
incident photonsemitted electronsQE
Cesium Auride
Spicer et al., Phys. Rev. 115, 57 (1959).
Khan et al., J. Vac. Sci. Tech. B 30, 031207 (2012).
New Test Chamber
CsAu Quantum Efficiency
Repeat Testing
Conclusion and Future Work
• Designed, built, and commissioned new CsAu QE test stand
• Automated data collection• Ready for self-healing tests• Future: research thermal effects,
determine reasons for QE differences
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