High-intensity laser-driven oxygen source from cw laser-heated titanium tape targets

Kotaro Kondo; Mamiko Nishiuchi; Hironao Sakaki; Nicholas P. Dover; Hazel F. Lowe; Takumi Miyahara; Yukinobu Watanabe; Tim Ziegler; Karl Zeil; Ulrich Schramm; Emma J. Ditter; George S. Hicks; Oliver C. Ettlinger; Zulfikar Najmudin; Hiromitsu Kiriyama; Masaki Kando; Kiminori Kondo

doi:10.3390/cryst10090837

High-intensity laser-driven oxygen source from cw laser-heated titanium tape targets

Kotaro Kondo, Mamiko Nishiuchi, Hironao Sakaki, Nicholas P. Dover, Hazel F. Lowe, Takumi Miyahara, Yukinobu Watanabe, Tim Ziegler, Karl Zeil, Ulrich Schramm, Emma J. Ditter, George S. Hicks, Oliver C. Ettlinger, Zulfikar Najmudin, Hiromitsu Kiriyama, Masaki Kando, Kiminori Kondo

Engineering Science for Advanced energy system

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

4 Citations (Scopus)

Abstract

The interaction of high-intensity laser pulses with solid targets can be used as a highly charged, energetic heavy ion source. Normally, intrinsic contaminants on the target surface suppress the performance of heavy ion acceleration from a high-intensity laser–target interaction, resulting in preferential proton acceleration. Here, we demonstrate that CW laser heating of 5 µm titanium tape targets can remove contaminant hydrocarbons in order to expose a thin oxide layer on the metal surface, ideal for the generation of energetic oxygen beams. This is demonstrated by irradiating the heated targets with a PW class high-power laser at an intensity of 5 × 10²¹ W/cm², showing enhanced acceleration of oxygen ions with a non-thermal-like distribution. Our new scheme using a CW laser-heated Ti tape target is promising for use as a moderate repetition energetic oxygen ion source for future applications.

Original language	English
Article number	837
Pages (from-to)	1-10
Number of pages	10
Journal	Crystals
Volume	10
Issue number	9
DOIs	https://doi.org/10.3390/cryst10090837
Publication status	Published - Sept 2020

All Science Journal Classification (ASJC) codes

Chemical Engineering(all)
Materials Science(all)
Condensed Matter Physics
Inorganic Chemistry

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10.3390/cryst10090837

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Kondo, K., Nishiuchi, M., Sakaki, H., Dover, N. P., Lowe, H. F., Miyahara, T., Watanabe, Y., Ziegler, T., Zeil, K., Schramm, U., Ditter, E. J., Hicks, G. S., Ettlinger, O. C., Najmudin, Z., Kiriyama, H., Kando, M., & Kondo, K. (2020). High-intensity laser-driven oxygen source from cw laser-heated titanium tape targets. Crystals, 10(9), 1-10. Article 837. https://doi.org/10.3390/cryst10090837

Kondo, K, Nishiuchi, M, Sakaki, H, Dover, NP, Lowe, HF, Miyahara, T, Watanabe, Y, Ziegler, T, Zeil, K, Schramm, U, Ditter, EJ, Hicks, GS, Ettlinger, OC, Najmudin, Z, Kiriyama, H, Kando, M & Kondo, K 2020, 'High-intensity laser-driven oxygen source from cw laser-heated titanium tape targets', Crystals, vol. 10, no. 9, 837, pp. 1-10. https://doi.org/10.3390/cryst10090837

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title = "High-intensity laser-driven oxygen source from cw laser-heated titanium tape targets",

abstract = "The interaction of high-intensity laser pulses with solid targets can be used as a highly charged, energetic heavy ion source. Normally, intrinsic contaminants on the target surface suppress the performance of heavy ion acceleration from a high-intensity laser–target interaction, resulting in preferential proton acceleration. Here, we demonstrate that CW laser heating of 5 µm titanium tape targets can remove contaminant hydrocarbons in order to expose a thin oxide layer on the metal surface, ideal for the generation of energetic oxygen beams. This is demonstrated by irradiating the heated targets with a PW class high-power laser at an intensity of 5 × 1021 W/cm2, showing enhanced acceleration of oxygen ions with a non-thermal-like distribution. Our new scheme using a CW laser-heated Ti tape target is promising for use as a moderate repetition energetic oxygen ion source for future applications.",

author = "Kotaro Kondo and Mamiko Nishiuchi and Hironao Sakaki and Dover, {Nicholas P.} and Lowe, {Hazel F.} and Takumi Miyahara and Yukinobu Watanabe and Tim Ziegler and Karl Zeil and Ulrich Schramm and Ditter, {Emma J.} and Hicks, {George S.} and Ettlinger, {Oliver C.} and Zulfikar Najmudin and Hiromitsu Kiriyama and Masaki Kando and Kiminori Kondo",

note = "Funding Information: Funding: Japan Society for the Promotion of Science Grant Number JP 16K17686 and 16K05506, Japan; JST-MIRAI R & D Programm Grant Number JPMJ17A1, Japan; JST PRESTO Grant Number JPMJPR16P9, Japan; QST International Research Initiative (AAA98) and Creative Research (ABACS), Japan; Mitsubishi Foundation (ID:28131), Japan. Publisher Copyright: {\textcopyright} 2020 by the authors. Licensee MDPI, Basel, Switzerland.",

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doi = "10.3390/cryst10090837",

language = "English",

volume = "10",

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journal = "Crystals",

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AU - Kondo, Kotaro

AU - Nishiuchi, Mamiko

AU - Sakaki, Hironao

AU - Dover, Nicholas P.

AU - Lowe, Hazel F.

AU - Miyahara, Takumi

AU - Watanabe, Yukinobu

AU - Ziegler, Tim

AU - Zeil, Karl

AU - Schramm, Ulrich

AU - Ditter, Emma J.

AU - Hicks, George S.

AU - Ettlinger, Oliver C.

AU - Najmudin, Zulfikar

AU - Kiriyama, Hiromitsu

AU - Kando, Masaki

AU - Kondo, Kiminori

N1 - Funding Information: Funding: Japan Society for the Promotion of Science Grant Number JP 16K17686 and 16K05506, Japan; JST-MIRAI R & D Programm Grant Number JPMJ17A1, Japan; JST PRESTO Grant Number JPMJPR16P9, Japan; QST International Research Initiative (AAA98) and Creative Research (ABACS), Japan; Mitsubishi Foundation (ID:28131), Japan. Publisher Copyright: © 2020 by the authors. Licensee MDPI, Basel, Switzerland.

PY - 2020/9

Y1 - 2020/9

N2 - The interaction of high-intensity laser pulses with solid targets can be used as a highly charged, energetic heavy ion source. Normally, intrinsic contaminants on the target surface suppress the performance of heavy ion acceleration from a high-intensity laser–target interaction, resulting in preferential proton acceleration. Here, we demonstrate that CW laser heating of 5 µm titanium tape targets can remove contaminant hydrocarbons in order to expose a thin oxide layer on the metal surface, ideal for the generation of energetic oxygen beams. This is demonstrated by irradiating the heated targets with a PW class high-power laser at an intensity of 5 × 1021 W/cm2, showing enhanced acceleration of oxygen ions with a non-thermal-like distribution. Our new scheme using a CW laser-heated Ti tape target is promising for use as a moderate repetition energetic oxygen ion source for future applications.

AB - The interaction of high-intensity laser pulses with solid targets can be used as a highly charged, energetic heavy ion source. Normally, intrinsic contaminants on the target surface suppress the performance of heavy ion acceleration from a high-intensity laser–target interaction, resulting in preferential proton acceleration. Here, we demonstrate that CW laser heating of 5 µm titanium tape targets can remove contaminant hydrocarbons in order to expose a thin oxide layer on the metal surface, ideal for the generation of energetic oxygen beams. This is demonstrated by irradiating the heated targets with a PW class high-power laser at an intensity of 5 × 1021 W/cm2, showing enhanced acceleration of oxygen ions with a non-thermal-like distribution. Our new scheme using a CW laser-heated Ti tape target is promising for use as a moderate repetition energetic oxygen ion source for future applications.

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High-intensity laser-driven oxygen source from cw laser-heated titanium tape targets

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