Imperial College London

ProfessorZulfikarNajmudin

Faculty of Natural SciencesDepartment of Physics

Professor of Physics
 
 
 
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Contact

 

z.najmudin Website

 
 
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Location

 

736Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Poder:2017:1361-6587/aa8f0e,
author = {Poder, K and Cole, JM and Wood, JC and Lopes, NC and Alatabi, S and Foster, PS and Kamperidis, C and Kononenko, O and Palmer, CA and Rusby, D and Sahai, A and Sarri, G and Symes, DR and Warwick, JR and Mangles, SPD and Najmudin, Z},
doi = {1361-6587/aa8f0e},
journal = {Plasma Physics and Controlled Fusion},
title = {Measurements of self-guiding of ultrashort laser pulses over long distances},
url = {http://dx.doi.org/10.1088/1361-6587/aa8f0e},
volume = {60},
year = {2017}
}

RIS format (EndNote, RefMan)

TY  - JOUR
AB - We report on the evaluation of the performance of self-guiding over extended distances with $f/20$ and $f/40$ focussing geometries. Guiding over $39\,\mathrm{mm}$ or more than 100 Rayleigh ranges was observed with the $f/20$ optic at ${n}_{e}=1.5\times {10}^{18}\,{\mathrm{cm}}^{-3}$. Analysis of guiding performance found that the extent of the exiting laser spatial mode closely followed the matched spot size predicted by 3D nonlinear theory. Self-guiding with an $f/40$ optic was also characterised, with guided modes observed for a plasma length of $90\,\mathrm{mm}$ and a plasma density of ${n}_{e}=9.5\times {10}^{17}\,{\mathrm{cm}}^{-3}$. This corresponds to self-guided propagation over 53 Rayleigh ranges and is similar to distances obtained with discharge plasma channel guiding.
AU - Poder,K
AU - Cole,JM
AU - Wood,JC
AU - Lopes,NC
AU - Alatabi,S
AU - Foster,PS
AU - Kamperidis,C
AU - Kononenko,O
AU - Palmer,CA
AU - Rusby,D
AU - Sahai,A
AU - Sarri,G
AU - Symes,DR
AU - Warwick,JR
AU - Mangles,SPD
AU - Najmudin,Z
DO - 1361-6587/aa8f0e
PY - 2017///
SN - 0741-3335
TI - Measurements of self-guiding of ultrashort laser pulses over long distances
T2 - Plasma Physics and Controlled Fusion
UR - http://dx.doi.org/10.1088/1361-6587/aa8f0e
UR - http://hdl.handle.net/10044/1/56783
VL - 60
ER -