Experimental study demonstrates an integrated measurement system for optical components under high-energy laser irradiation, suggesting improved diagnostic fidelity for fusion facilities.
Laser-induced damage to optical components represents a critical limiting factor in the performance optimization of large-aperture, high-energy ultraviolet laser facilities, especially those working for inertial confinement fusion (ICF) systems. Conventional, single-mode measurement of experimental exhibits significant limitations and confirms that the working conditions under large-aperture, high-energy laser irradiation differ fundamentally from those of traditional small-aperture laser systems. Therefore, an assembly experimental system employing a large-aperture, high-energy laser facility as the irradiation source, coupled with unified control of multiple online measuring instruments to capture comprehensive and comparable datasets, and incorporating complementary offline measurement capabilities for detailed analysis. The objectives are not only to accurately simulate large-aperture, high-energy laser operating conditions but also to acquire correlated reference data from identical damage events.
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Liu et al. (2026) studied this question.
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