Development of the pulse radiolysis system with a supercontinuum radiation using photonic crystal fiber

K. Ogata, Y. Kawauchi, Kazuyuki Sakaue, T. Suzuki, Y. Hosaka, R. Betto, Masakazu Washio, S. Kashiwagi, R. Kuroda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In usage of radiation, it is important to study the process of chemical effects of ionizing radiation in a material. Pulse radiolysis is a method to trace these rapid initial chemical reactions by ionizing radiation. As a pump beam, we are using about 4 MeV electron beam. In nanosecond timescale pulse radiolysis, it is required the stable probe light of a broad spectra. And especially in picosecond timescale pulse radiolysis, probe light should have short pulse width to use stroboscopic method. Therefore, in order to develop a unified timescale experimental system, we developed Supercontinuum (SC) light as a probe light, which is generated by nonlinear optical process of short pulse IR laser in photonic crystal fiber (PCF). To apply SC light as a probe light of pulse radiolysis, we measured its properties. We tried to measure the absorption spectra of hydrated electron by SC light. Then we successfully observed good signal-noise ratio data both in nanosecond and in picosecond experiment with the same system. In a further attempt, we succeeded to improve stability of SC light.

Original languageEnglish
Title of host publicationIPAC 2011 - 2nd International Particle Accelerator Conference
Pages3645-3647
Number of pages3
Publication statusPublished - 2011
Event2nd International Particle Accelerator Conference, IPAC 2011 - Kursaal, San Sebastian
Duration: 2011 Sep 42011 Sep 9

Other

Other2nd International Particle Accelerator Conference, IPAC 2011
CityKursaal, San Sebastian
Period11/9/411/9/9

Fingerprint

radiolysis
light beams
photonics
fibers
radiation
pulses
ionizing radiation
crystals
chemical effects
picosecond pulses
infrared lasers
chemical reactions
pulse duration
electron beams
pumps
absorption spectra
electrons

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Ogata, K., Kawauchi, Y., Sakaue, K., Suzuki, T., Hosaka, Y., Betto, R., ... Kuroda, R. (2011). Development of the pulse radiolysis system with a supercontinuum radiation using photonic crystal fiber. In IPAC 2011 - 2nd International Particle Accelerator Conference (pp. 3645-3647)

Development of the pulse radiolysis system with a supercontinuum radiation using photonic crystal fiber. / Ogata, K.; Kawauchi, Y.; Sakaue, Kazuyuki; Suzuki, T.; Hosaka, Y.; Betto, R.; Washio, Masakazu; Kashiwagi, S.; Kuroda, R.

IPAC 2011 - 2nd International Particle Accelerator Conference. 2011. p. 3645-3647.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ogata, K, Kawauchi, Y, Sakaue, K, Suzuki, T, Hosaka, Y, Betto, R, Washio, M, Kashiwagi, S & Kuroda, R 2011, Development of the pulse radiolysis system with a supercontinuum radiation using photonic crystal fiber. in IPAC 2011 - 2nd International Particle Accelerator Conference. pp. 3645-3647, 2nd International Particle Accelerator Conference, IPAC 2011, Kursaal, San Sebastian, 11/9/4.
Ogata K, Kawauchi Y, Sakaue K, Suzuki T, Hosaka Y, Betto R et al. Development of the pulse radiolysis system with a supercontinuum radiation using photonic crystal fiber. In IPAC 2011 - 2nd International Particle Accelerator Conference. 2011. p. 3645-3647
Ogata, K. ; Kawauchi, Y. ; Sakaue, Kazuyuki ; Suzuki, T. ; Hosaka, Y. ; Betto, R. ; Washio, Masakazu ; Kashiwagi, S. ; Kuroda, R. / Development of the pulse radiolysis system with a supercontinuum radiation using photonic crystal fiber. IPAC 2011 - 2nd International Particle Accelerator Conference. 2011. pp. 3645-3647
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AU - Kawauchi, Y.

AU - Sakaue, Kazuyuki

AU - Suzuki, T.

AU - Hosaka, Y.

AU - Betto, R.

AU - Washio, Masakazu

AU - Kashiwagi, S.

AU - Kuroda, R.

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AB - In usage of radiation, it is important to study the process of chemical effects of ionizing radiation in a material. Pulse radiolysis is a method to trace these rapid initial chemical reactions by ionizing radiation. As a pump beam, we are using about 4 MeV electron beam. In nanosecond timescale pulse radiolysis, it is required the stable probe light of a broad spectra. And especially in picosecond timescale pulse radiolysis, probe light should have short pulse width to use stroboscopic method. Therefore, in order to develop a unified timescale experimental system, we developed Supercontinuum (SC) light as a probe light, which is generated by nonlinear optical process of short pulse IR laser in photonic crystal fiber (PCF). To apply SC light as a probe light of pulse radiolysis, we measured its properties. We tried to measure the absorption spectra of hydrated electron by SC light. Then we successfully observed good signal-noise ratio data both in nanosecond and in picosecond experiment with the same system. In a further attempt, we succeeded to improve stability of SC light.

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