(Invited) Silicon Field Emitter Array Photocathode. (14th September 2015)

• Record Type: Journal Article
• Authors: Shimawaki, Hidetaka; Nagao, Masayoshi; Neo, Yoichiro; Mimura, Hidenori; Wakaya, Fujio; Takai, Mikio
• Is Part Of: ECS transactions. Volume 69:Number 10(2015)
• Page Start: 197
• Page End: 206
• Publication Date: 2015-09-14
• Subjects: Electrochemistry -- Periodicals; Electrochemistry; Periodicals; Electronic journals; Electronic journal; 541.37
• DOI: 10.1149/06910.0197ecst
• Languages: English
• ISSNs: 1938-5862

Abstract

Abstract : Photo-assisted electron emission from a p-type silicon field emitter array (FEA) excited by laser pulses with 405 nm wavelength is investigated for generating electron bunches at high frequency. By using a volcano structure, the photoresponse of the current pulses is less than 2 ns, which is limited by the response time of a used current amplifier. It demonstrates that an optimally designed volcano-structured silicon FEA is a promising photocathode for the applications of vacuum electronic devices based on short electron beam.