Imperial College London
Alternate

DrNicholasDover

Faculty of Natural Sciences, Department of Physics

Research Fellow
 
 
 
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Contact

 

+44 (0)20 7594 3791nicholas.dover08 Website

 
 
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Location

 

735Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Dover:2020:10.1103/physrevlett.124.084802,
author = {Dover, NP and Nishiuchi, M and Sakaki, H and Kondo, K and Alkhimova, MA and Faenov, AY and Hata, M and Iwata, N and Kiriyama, H and Koga, JK and Miyahara, T and Pikuz, TA and Pirozhkov, AS and Sagisaka, A and Sentoku, Y and Watanabe, Y and Kando, M and Kondo, K},
doi = {10.1103/physrevlett.124.084802},
journal = {Physical Review Letters},
pages = {084802  1--084802  7},
title = {Effect of small focus on electron heating and proton acceleration in ultrarelativistic laser-solid interactions},
url = {http://dx.doi.org/10.1103/physrevlett.124.084802},
volume = {124},
year = {2020}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Acceleration of particles from the interaction of ultraintense laser pulses up to 5×1021  W cm−2 with thin foils is investigated experimentally. The electron beam parameters varied with decreasing spot size, not just laser intensity, resulting in reduced temperatures and divergence. In particular, the temperature saturated due to insufficient acceleration length in the tightly focused spot. These dependencies affected the sheath-accelerated protons, which showed poorer spot-size scaling than widely used scaling laws. It is therefore shown that maximizing laser intensity by using very small foci has reducing returns for some applications.
AU  - Dover,NP
AU  - Nishiuchi,M
AU  - Sakaki,H
AU  - Kondo,K
AU  - Alkhimova,MA
AU  - Faenov,AY
AU  - Hata,M
AU  - Iwata,N
AU  - Kiriyama,H
AU  - Koga,JK
AU  - Miyahara,T
AU  - Pikuz,TA
AU  - Pirozhkov,AS
AU  - Sagisaka,A
AU  - Sentoku,Y
AU  - Watanabe,Y
AU  - Kando,M
AU  - Kondo,K
DO  - 10.1103/physrevlett.124.084802
EP  - 1
PY  - 2020///
SN  - 0031-9007
SP  - 084802
TI  - Effect of small focus on electron heating and proton acceleration in ultrarelativistic laser-solid interactions
T2  - Physical Review Letters
UR  - http://dx.doi.org/10.1103/physrevlett.124.084802
UR  - https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.124.084802
UR  - http://hdl.handle.net/10044/1/84534
VL  - 124
ER  -
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