Photocathodes: the state of the art and some news

被引：18

作者：

Boscolo, I

Michelato, P

机构：

[1] Univ Milan, Dept Phys, I-20133 Milan, Italy

[2] Univ Milan, Ist Nazl Fis Nucl, I-20133 Milan, Italy

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2000年 / 445卷 / 1-3期

关键词：

photocathode; alkali; protective film; ceramic; auger; laser;

D O I：

10.1016/S0168-9002(00)00089-9

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The present cesium telluride cathodes have the capability to provide, for months, trains of picosecond pulses carrying a charge equal/higher than 10 nanocoulomb, for a total charge higher than the microcoulomb. However, they are very delicate. A possible way to increase their robustness is by covering them with a protective film of nanostructured carbon. Ferroelectric ceramics, as possible new robust photocathodes, showed an interesting level of emission with 532 nm-25 ps laser pulses. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：389 / 393

页数：5

共 18 条

[11] Characterization of Cs2Te photoemissive film: formation, spectral responses and pollution
Michelato, P
Pagani, C
Sertore, D
diBona, A
Valeri, S
[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1997, 393 (1-3) : 464 - 468
[12] MILANI P, 1996, RIV NUOVO CIMENTO, V11
[13] Electron affinity of carbon systems
Robertson, J
[J]. DIAMOND AND RELATED MATERIALS, 1996, 5 (6-8) : 797 - 801
[14] First operation of cesium telluride photocathodes in the TTF injector RF gun
Sertore, D
Schreiber, S
Floettmann, K
Stephan, F
Zapfe, K
Michelato, P
[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2000, 445 (1-3) : 422 - 426
[15] SHURTER RP, 1997, PART ACCL C, V2829
[16] SPICER WE, 1993, 1993 INT S IM INSTR
[17] TALIN AA, 1996, APPL PHYS LETT, V69
[18] 1994, NUCL INSTR METH, V340, P1

← 1 2 →