Measurement of far-infrared subpicosecond coherent radiation for pulse radiolysis

被引:23
作者
Kozawa, T [1 ]
Mizutani, Y [1 ]
Yokoyama, K [1 ]
Okuda, S [1 ]
Yoshida, Y [1 ]
Tagawa, S [1 ]
机构
[1] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan
关键词
coherent transition radiation; subpicosecond electron bunch; far-infrared; pulse radiolysis; pulsed light source;
D O I
10.1016/S0168-9002(99)00147-3
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Using a magnetic bunch compression method, a 26.5 MeV subpicosecond electron single bunch was generated with the L-band linac of Osaka University. The coherent transition radiation emitted from the subpicosecond single bunch was observed at wavelengths from 100 to 700 mu m. The intensity was 7.9 x 10(9) times higher than that of the incoherent transition radiation obtained by calculation. The length of the compressed electron bunch was evaluated to be roughly 50 fs (rms) from the analysis of the spectra of the transition radiation. The coherent transition radiation has high enough intensity to be applied to pulse radiolysis as a pulsed light source. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:471 / 475
页数:5
相关论文
共 16 条
[1]   DESIGN AND PERFORMANCE OF A PULSE RADIOLYSIS SYSTEM CAPABLE OF PICOSECOND TIME RESOLUTION [J].
BRONSKILL, MJ ;
TAYLOR, WB ;
WOLFF, RK ;
HUNT, JW .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1970, 41 (03) :333-+
[2]   OBSERVATION OF COHERENT TRANSITION RADIATION [J].
HAPPEK, U ;
SIEVERS, AJ ;
BLUM, EB .
PHYSICAL REVIEW LETTERS, 1991, 67 (21) :2962-2965
[3]   WIDE-TIME RANGE PULSE-RADIOLYSIS SYSTEM OF PICOSECOND TIME RESOLUTION [J].
JONAH, CD .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1975, 46 (01) :62-66
[4]  
KATO R, IN PRESS NUCL INSTR
[5]   A 20 PS TIME RESOLVED PULSE-RADIOLYSIS USING 2 LINACS [J].
KOBAYASHI, H ;
TABATA, Y .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1985, 10-1 (MAY) :1004-1006
[6]   Radiation-induced reactions of chemically amplified x-ray and electron-beam resists based on deprotection of t-butoxycarbonyl groups [J].
Kozawa, T ;
Nagahara, S ;
Yoshida, Y ;
Tagawa, S ;
Watanabe, T ;
Yamshita, Y .
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 1997, 15 (06) :2582-2586
[7]  
KOZAWA T, 1998, IN PRESS P AS PART A
[8]   OBSERVATION OF COHERENT SYNCHROTRON RADIATION [J].
NAKAZATO, T ;
OYAMADA, M ;
NIIMURA, N ;
URASAWA, S ;
KONNO, O ;
KAGAYA, A ;
KATO, R ;
KAMIYAMA, T ;
TORIZUKA, Y ;
NANBA, T ;
KONDO, Y ;
SHIBATA, Y ;
ISHI, K ;
OHSAKA, T ;
IKEZAWA, M .
PHYSICAL REVIEW LETTERS, 1989, 63 (12) :1245-1248
[9]   MEASUREMENT OF COHERENT CHERENKOV RADIATION FROM AN INTENSE BEAM OF A PICOSECOND ELECTRON BUNCH [J].
OHKUMA, J ;
OKUDA, S ;
TSUMORI, K .
PHYSICAL REVIEW LETTERS, 1991, 66 (15) :1967-1969
[10]   SINGLE-BUNCH AND MULTIBUNCH ELECTRON-BEAM GENERATION FOR FEL EXPERIMENTS WITH THE 38-MEV L-BAND LINEAR-ACCELERATOR AT ISIR [J].
OKUDA, S ;
HONDA, Y ;
KIMURA, N ;
OHKUMA, J ;
YAMAMOTO, T ;
SUEMINE, S ;
OKADA, T ;
TAKEDA, S ;
TSUMORI, K ;
HORI, T .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1995, 358 (1-3) :248-251