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Proceedings Paper

Use of the laser laser front end for aligning the 240 beamlines of the Megajoule laser (in French)
Author(s): Jacques Rioland; Paul Thibout; Patrice J. Jano
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Paper Abstract

A new dynamic alignment procedure, with a high repetition rate, taking into account all the fluctuations of the components of each laser beam, including the driver, is proposed, using the driver itself. Diode pumped solid state drivers, operating at 1 - 10 Hz, allow the alignment in thermal stabilized thermal conditions and its control until the main shot. An alignment sensor designed for such a procedure is presented. It is based on a set of two CCD cameras with their optics, located behind the last spatial filter pinhole, a set of boresights inserted at the pinhole locations and an image processor. This equipment fulfills the requirements in terms of delay, precision and reduction of the number of components.

Paper Details

Date Published: 8 December 1997
PDF: 5 pages
Proc. SPIE 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference, (8 December 1997); doi: 10.1117/12.294308
Show Author Affiliations
Jacques Rioland, Thomson-CSF Optronique (France)
Paul Thibout, Thomson-CSF Optronique (France)
Patrice J. Jano, Thomson-CSF Optronique (France)


Published in SPIE Proceedings Vol. 3047:
Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference

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