Laser-induced air breakdown for 1.06-μm radiation
- 1 July 1974
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 25 (1), 15-17
- https://doi.org/10.1063/1.1655259
Abstract
The effects of dust on 1.06‐μm laser‐induced air breakdown for 100‐nsec pulses are reported. The thresholds in clean air were measured as a function of spot size and were found to scale as λ−2 compared to the 10.6‐μm results. A single 50‐μm carbon particle present in the beam lowered the threshold to ≃5×109 W/cm2 —a factor of approximately 0.02 that of clean air. The fractional reduction in threshold due to dust particles was comparable to that reported for 10.6‐μm breakdown.Keywords
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