Review of laser diagnostics at the Vulcan laser facility

Ian Musgrave; Marco Galimberti; Alexis Boyle; Cristina Hernandez-Gomez; Andrew Kidd; Bryn Parry; Dave Pepler; Trevor Winstone; John Collier

doi:doi:10.1017/hpl.2015.27

High Power Laser Science and Engineering, 2015, 3 (3): 03000001, Published Online: Jan. 7, 2016

Review of laser diagnostics at the Vulcan laser facility Download： 1060次

Ian Musgrave Marco Galimberti Alexis Boyle Cristina Hernandez-Gomez Andrew Kidd Bryn Parry Dave Pepler Trevor Winstone John Collier

Author Affiliations

Central Laser Facility, Science and Technology Facilities Council, RAL, Didcot, Oxfordshire OX 11 0QX, UK

Figures & Tables

Fig. 8. Schematic of the diagnostics package used at the end of the disc amplifier chain.

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Fig. 9. Schematic of the diagnostics package at the output of the 108 mm beamlines. The beam is incident from the left and is being focused by a lens (not shown).

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Fig. 10. Schematic of the Vulcan short pulse diagnostics in TAP. The main pulse follows the red path, the full aperture beam the pink path and the sub-aperture diagnostics the green path.

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Fig. 11. Oscilloscope trace of contrast diode capture on a shot.

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Fig. 12. Laser near-field recorded on the full aperture diagnostics.

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Fig. 13. Layout of the low sub-aperture diagnostics.

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Fig. 14. Near-field incident onto the sub-aperture diagnostics.

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Fig. 15. Image captured by the near-field autocorrelator in the sub-aperture diagnostics package.

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Fig. 16. Example of an autocorrelation trace recorded using the sub-aperture diagnostics line.

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Fig. 17. Image of the post-compression diagnostics suite in TAW.

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Fig. 18. Schematic of the layout for the short pulse diagnostics in TAW.

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Fig. 19. Histogram of pulse durations recorded during an experimental campaign in TAP.

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Fig. 20. Histogram of pulse durations recorded during an experimental campaign in TAW.

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Table1. Summary of front end diagnostics.

Component	Diagnostics	Regime 3
SP oscillator	NF, FF and Spec	Continuous
LP oscillator	NF, FF, TS and E	10 Hz
Stretcher input	NF and FF	Continuous
Stretcher output	NF and FF	Continuous
OPCPA pre-amp	NF , FF , E and Spec	2 Hz

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Table2. Summary of the laser bay diagnostics.

Component	Diagnostics	Regime
Injection	NF, FF	Co, Trg, PS, OS
Rod chain input	NF, FF	Co, Trg, PS, OS
Rod chain output	NF, FF, SP and E	Co, Trg, PS, OS
108 mm disc output	NF, FF, TS and E	Co, Trg, PS, OS
150 mm disc output	NF, FF, SP and E	Co, Trg, PS, OS
200 mm disc output	NF, FF, SP and E	Co, Trg, PS, OS

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Table3. Summary of target area laser diagnostics.

Component	Diagnostics	Regime
Full aperture	NF, FF, Con, SAC	Co, Trg, PS, OS
Sub-aperture	NF, FF, SAC, LAC, and SP	Trg, OS
TAW LE	NF, FF, LAC and SP	Co, Trg, PS, OS
TAW HE	NF, FF, LAC and SP	Co, Trg, PS, OS

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Ian Musgrave, Marco Galimberti, Alexis Boyle, Cristina Hernandez-Gomez, Andrew Kidd, Bryn Parry, Dave Pepler, Trevor Winstone, John Collier. Review of laser diagnostics at the Vulcan laser facility[J]. High Power Laser Science and Engineering, 2015, 3(3): 03000001.

Review of laser diagnostics at the Vulcan laser facility Download： 1060次

Fig. 1. Artist’s 3D impression of the Vulcan laser facility.

Fig. 2. Schematic of the Vulcan beam line for TAP.

Fig. 3. Schematic of the Vulcan short pulse beam lines for TAW.

Fig. 4. Example of the output of a diagnostics package from the TAW oscillator.

Fig. 5. Diagnostics package to monitor the injection into the laser bay.

Fig. 6. Diagnostics package for the injection into the rod chain.

Fig. 7. Diagnostics package at the end of the rod amplifier chain.

Fig. 8. Schematic of the diagnostics package used at the end of the disc amplifier chain.

Fig. 9. Schematic of the diagnostics package at the output of the 108 mm beamlines. The beam is incident from the left and is being focused by a lens (not shown).

Fig. 10. Schematic of the Vulcan short pulse diagnostics in TAP. The main pulse follows the red path, the full aperture beam the pink path and the sub-aperture diagnostics the green path.

Fig. 11. Oscilloscope trace of contrast diode capture on a shot.

Fig. 12. Laser near-field recorded on the full aperture diagnostics.

Fig. 13. Layout of the low sub-aperture diagnostics.

Fig. 14. Near-field incident onto the sub-aperture diagnostics.

Fig. 15. Image captured by the near-field autocorrelator in the sub-aperture diagnostics package.

Fig. 16. Example of an autocorrelation trace recorded using the sub-aperture diagnostics line.

Fig. 17. Image of the post-compression diagnostics suite in TAW.

Fig. 18. Schematic of the layout for the short pulse diagnostics in TAW.

Fig. 19. Histogram of pulse durations recorded during an experimental campaign in TAP.

Fig. 20. Histogram of pulse durations recorded during an experimental campaign in TAW.

Table1. Summary of front end diagnostics.

Table2. Summary of the laser bay diagnostics.

Table3. Summary of target area laser diagnostics.

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Review of laser diagnostics at the Vulcan laser facility Download： 1060次

Fig. 1. Artist’s 3D impression of the Vulcan laser facility.

Fig. 2. Schematic of the Vulcan beam line for TAP.

Fig. 3. Schematic of the Vulcan short pulse beam lines for TAW.

Fig. 4. Example of the output of a diagnostics package from the TAW oscillator.

Fig. 5. Diagnostics package to monitor the injection into the laser bay.

Fig. 6. Diagnostics package for the injection into the rod chain.

Fig. 7. Diagnostics package at the end of the rod amplifier chain.

Fig. 8. Schematic of the diagnostics package used at the end of the disc amplifier chain.

Fig. 9. Schematic of the diagnostics package at the output of the 108 mm beamlines. The beam is incident from the left and is being focused by a lens (not shown).

Fig. 10. Schematic of the Vulcan short pulse diagnostics in TAP. The main pulse follows the red path, the full aperture beam the pink path and the sub-aperture diagnostics the green path.

Fig. 11. Oscilloscope trace of contrast diode capture on a shot.

Fig. 12. Laser near-field recorded on the full aperture diagnostics.

Fig. 13. Layout of the low sub-aperture diagnostics.

Fig. 14. Near-field incident onto the sub-aperture diagnostics.

Fig. 15. Image captured by the near-field autocorrelator in the sub-aperture diagnostics package.

Fig. 16. Example of an autocorrelation trace recorded using the sub-aperture diagnostics line.

Fig. 17. Image of the post-compression diagnostics suite in TAW.

Fig. 18. Schematic of the layout for the short pulse diagnostics in TAW.

Fig. 19. Histogram of pulse durations recorded during an experimental campaign in TAP.

Fig. 20. Histogram of pulse durations recorded during an experimental campaign in TAW.

Table1. Summary of front end diagnostics.

Table2. Summary of the laser bay diagnostics.

Table3. Summary of target area laser diagnostics.

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