Damage Threshold of Laser Optic is Limited by Thin Film.That is a common myth, which is not necessarily true.Optical elements consist of multiple hidden layers. Thin film is just one of them. Laser-Indued Damage Threshold (LIDT) is an aggregate feature of the optical element and can be limited by various factors such as: sub-surface defects, polishing (Beilby) layer, nodular defects, airborne particles & organics or combination of these issues. |
When the element is exposed to intense laser irradiation, each of its layers can lead to failure due to different physical mechanisms (failure modes). |
Thus high LIDT optics are usually the result of the optimized development of substrate, interface, coating process, and even the surrounding working environment. |
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Contact Lidaris Laser Damage Experts today!
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info@lidaris.com |
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