First single-shot and non-intercepting longitudinal bunch diagnostics for comb-like beam by means of Electro-Optic Sampling

被引：23

作者：

Pompili, R. ^{[1
,2
]}

Cianchi, A. ^{[2
]}

Alesini, D. ^{[1
]}

Anania, M. P. ^{[1
]}

Bacci, A. ^{[3
]}

Bellaveglia, M. ^{[1
]}

Castellano, M. ^{[1
]}

Chiadroni, E. ^{[1
]}

DiGiovenale, D. ^{[1
]}

Di Pirro, G. ^{[1
]}

Gatti, G. ^{[1
]}

Giorgianni, F. ^{[4
]}

Ferrario, M. ^{[1
]}

Lupi, S. ^{[4
]}

Massimo, F. ^{[4
]}

Mostacci, A. ^{[1
]}

Rossi, A. R. ^{[3
]}

Vaccarezza, C. ^{[1
]}

Villa, F. ^{[1
]}

机构：

[1] INFN LNF, I-00044 Rome, Italy

[2] Univ Roma Tor Vergata, Dept Phys, I-00133 Rome, Italy

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

[4] Univ Roma La Sapienza, Dept Phys, I-00185 Rome, Italy

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2014年 / 740卷

关键词：

Plasma; Diagnostics; Electro-optic; EOS;

D O I：

10.1016/j.nima.2013.10.031

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

At SPARC-LAB, we have installed an Electro-Optic Sampling (EOS) experiment for single shot, non-destructive measurements of the longitudinal distribution charge of individual electron bunches. The profile of the electron bunch field is electro-optically encoded into a Ti:Sa laser, having 130 fs (rms) pulse length, directly derived from the photocathode's laser. The bunch profile information is spatially retrieved, i.e., the laser crosses with an angle of 30 with respect to the normal to the surface of EO crystal (ZnTe, Gap) and the bunch longitudinal profile is mapped into the laser's transverse profile. In particular, we used the EOS for a single-shot direct visualization of the time profile of a comb-like electron beam, consisting of two bunches, about 100 fs (rms) long, sub-picosecond spaced with a total charge of 160 pC. The electro-optic measurements (done with both ZnTe and GaP crystals) have been validated with both RE Deflector (RFD) and Michelson interferometer measurements. (C) 2013 Elsevier B.V. All rights reserved

引用

页码：216 / 221

页数：6

共 12 条

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[2] Single-shot electro-optic experiments for electron bunch diagnostics at Tsinghua Accelerator Laboratory
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[10] Single-shot Spectrometers and Realtime THz digitizers, using Diversity Electro-Optic Sampling (DEOS)
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