2023
DOI: 10.1364/oe.474581
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Full-scale optic designed for onsite study of damage growth at the Laser MegaJoule facility

Abstract: Large fusion scale laser facilities aim at delivering megajoules laser energy in the UV spectrum and nanosecond regime. Due to the extreme laser energies, the laser damage of final optics of such beamlines is an important issue that must be addressed. Once a damage site initiates, it grows at each laser shot which decreases the quality of the optical component and spoil laser performances. Operation at full energy and power of such laser facilities requires a perfect control of damage kinetics and laser parame… Show more

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Cited by 5 publications
(1 citation statement)
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“…Once a damage site has initiated, it grows after each laser shot with an energy greater than a growth threshold [2]. Damage initiation and growth are phenomena that limit the operation of high-power laser installations such as those designed to achieve fusion by inertial confinement [3,4]. Damage experiments were thus conducted to show that the damage growth probability was dependent on laser fluence, pulse duration, laser wavelength and damage size among other properties [5][6][7][8].…”
Section: Introductionmentioning
confidence: 99%
“…Once a damage site has initiated, it grows after each laser shot with an energy greater than a growth threshold [2]. Damage initiation and growth are phenomena that limit the operation of high-power laser installations such as those designed to achieve fusion by inertial confinement [3,4]. Damage experiments were thus conducted to show that the damage growth probability was dependent on laser fluence, pulse duration, laser wavelength and damage size among other properties [5][6][7][8].…”
Section: Introductionmentioning
confidence: 99%