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Different Types of LIDT Specifications

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Different Types of LIDT Specifications

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Laser-Induced Damage Threshold (LIDT) is the maximum fluence or intensity that a laser optic can withstand before being damaged. It is specified as a fluence for pulsed lasers, typically in J/cm2, and an intensity for continuous wave (CW) lasers, typically in W/cm2. LIDT values are statistically derived after testing and should be recognized as the fluence below which the damage probability is less than the critical risk level, not the fluence below which damage will never occur.

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