Improvements in time resolution and signal-to-noise ratio in a compact pico-second pulse radiolysis system

Hiroyuki Nagai; Masaaki Kawaguchi; Kazuyuki Sakaue; Keita Komiya; Tomoaki Nomoto; Yoshio Kamiya; Yoshimasa Hama; Masakazu Washio; Kiminori Ushida; Shigeru Kashiwagi; Ryunosuke Kuroda

doi:10.1016/j.nimb.2007.08.090

Improvements in time resolution and signal-to-noise ratio in a compact pico-second pulse radiolysis system

Hiroyuki Nagai^*, Masaaki Kawaguchi, Kazuyuki Sakaue, Keita Komiya, Tomoaki Nomoto, Yoshio Kamiya, Yoshimasa Hama, Masakazu Washio, Kiminori Ushida, Shigeru Kashiwagi, Ryunosuke Kuroda

^*Corresponding author for this work

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

A compact pico-second pulse radiolysis system has been developing at Waseda University for studying primary processes in radiation chemistry. The system is composed of a photo-injector system and a pico-second all-solid-state laser system. An infrared (IR) and an ultraviolet (UV) laser pulses are obtained from mode-locked Nd:YLF laser system and used for generation of the white light continuum as a probe light and the irradiation to the Cu cathode of a photo-cathode RF-gun, respectively. To improve signal-to-noise (S/N) ratio and time resolution of this pulse radiolysis system, we optimized both probe light and pump electron beam. As a result, our pico-second pulse radiolysis system has been enough to study the primary processes of radiation chemistry. The experimental results and the improvements of our system are described in this paper.

Original language	English
Pages (from-to)	82-86
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	265
Issue number	1
DOIs	https://doi.org/10.1016/j.nimb.2007.08.090
Publication status	Published - 2007 Dec

Keywords

Hydrated electron
Nd:YLF laser
Photo-cathode RF-gun
Pico-second time resolution
Pulse radiolysis
Pump-probe

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nimb.2007.08.090

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Nagai, H., Kawaguchi, M., Sakaue, K., Komiya, K., Nomoto, T., Kamiya, Y., Hama, Y., Washio, M., Ushida, K., Kashiwagi, S., & Kuroda, R. (2007). Improvements in time resolution and signal-to-noise ratio in a compact pico-second pulse radiolysis system. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 265(1), 82-86. https://doi.org/10.1016/j.nimb.2007.08.090

Improvements in time resolution and signal-to-noise ratio in a compact pico-second pulse radiolysis system. / Nagai, Hiroyuki; Kawaguchi, Masaaki; Sakaue, Kazuyuki et al.
In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 265, No. 1, 12.2007, p. 82-86.

Research output: Contribution to journal › Article › peer-review

Nagai, H, Kawaguchi, M, Sakaue, K, Komiya, K, Nomoto, T, Kamiya, Y, Hama, Y, Washio, M, Ushida, K, Kashiwagi, S & Kuroda, R 2007, 'Improvements in time resolution and signal-to-noise ratio in a compact pico-second pulse radiolysis system', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 265, no. 1, pp. 82-86. https://doi.org/10.1016/j.nimb.2007.08.090

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AU - Komiya, Keita

AU - Nomoto, Tomoaki

AU - Kamiya, Yoshio

AU - Hama, Yoshimasa

AU - Washio, Masakazu

AU - Ushida, Kiminori

AU - Kashiwagi, Shigeru

AU - Kuroda, Ryunosuke

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AB - A compact pico-second pulse radiolysis system has been developing at Waseda University for studying primary processes in radiation chemistry. The system is composed of a photo-injector system and a pico-second all-solid-state laser system. An infrared (IR) and an ultraviolet (UV) laser pulses are obtained from mode-locked Nd:YLF laser system and used for generation of the white light continuum as a probe light and the irradiation to the Cu cathode of a photo-cathode RF-gun, respectively. To improve signal-to-noise (S/N) ratio and time resolution of this pulse radiolysis system, we optimized both probe light and pump electron beam. As a result, our pico-second pulse radiolysis system has been enough to study the primary processes of radiation chemistry. The experimental results and the improvements of our system are described in this paper.

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Improvements in time resolution and signal-to-noise ratio in a compact pico-second pulse radiolysis system

Abstract

Keywords

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