Ultrafast optical gated image intensifier with a temporal resolution of 230 picosecond using uniform underlayer

被引：2

作者：

Yang, Yang ^{[1
,2
]}

Gou, Yongsheng ^{[1
,2
]}

Feng, Penghui ^{[1
,4
]}

Wang, Bo ^{[2
]}

Liu, Baiyu ^{[1
]}

Tian, Jinshou ^{[1
,3
]}

Wang, Xu ^{[1
]}

Liu, Hengbo ^{[1
]}

机构：

[1] Chinese Acad Sci, Xian Inst Opt & Precis Mech, Key Lab Ultrafast Photoelect Diagnost Technol, Xian 710119, Peoples R China

[2] Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China

[3] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Peoples R China

[4] Xi An Jiao Tong Univ, Sch Elect Sci & Engn, Xian 710049, Peoples R China

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2023年 / 1056卷

基金：

中国科学院西部之光基金;

关键词：

Image intensifier; Picosecond optical gating; Ultrafast imaging; Fusion diagnosis; Temporal resolution;

D O I：

10.1016/j.nima.2023.168621

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

An Au uniform photocathode underlayer is employed in this paper to obtain picosecond (ps) optical gating width for image intensifier tube. The transmittances and gating pulse transmission efficiencies of the underlayer with different thicknesses are tested and compared to determine the optimal thickness. An 18 mm diameter proximity focused microchannel plate image intensifier tube with S25 photocathode is fabricated using this uniform underlayer. The profile measurement shows the tube has an optical gating time as low as 230 ps full width at half maximum (FWHM) when gated with a 176 ps width gating pulse. The measured iris delay is between 83 ps and 108 ps, which approaches the theoretical limit of its kind.

引用

页数：8

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