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Frequency doubling multi-terawatt sub-picosecond pulses for plasma interactions

Published online by Cambridge University Press:  09 April 2001

D. NEELY ,
R.M. ALLOTT ,
R.J. CLARKE ,
J.L. COLLIER ,
C.N. DANSON ,
C.B. EDWARDS ,
C. HERNANDEZ-GOMEZ ,
M.H.R. HUTCHINSON ,
M. NOTLEY  and
D.A. PEPLER
...Show all authors
D. NEELY
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
R.M. ALLOTT
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
R.J. CLARKE
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
J.L. COLLIER
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
C.N. DANSON
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
C.B. EDWARDS
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
C. HERNANDEZ-GOMEZ
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
M.H.R. HUTCHINSON
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
M. NOTLEY
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
D.A. PEPLER
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
M. RANDERSON
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
I.N. ROSS
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
J. SPRINGALL
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
M. STUBBS
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
T. WINSTONE
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK
A.E. DANGOR
Affiliation:
Imperial College, Prince Consort Road, London, UK
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Abstract

Frequency doubling a 140 × 110 mm 40 J sub-ps 1054 nm beam for laser matter interaction studies was investigated at the Central Laser Facility, with efficiencies greater than 60% being achieved. The conversion characteristics (efficiency, beam quality, focusability, and pulse length) for two large 157 mm diameter aperture high quality KDP crystals of thickness 2 mm and 4 mm were studied. Using a fundamental drive beam of two times diffraction limited quality, focal spots of four times the diffraction limit in the frequency doubled beam were achieved and beam degradation effects shown to be minimal.

Type
ULIA-1 CONFERENCE PAPERS
Information
Laser and Particle Beams , Volume 18 , Issue 3 , July 2000 , pp. 405 - 409
Copyright
© 2000 Cambridge University Press

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