A closer look at laser damage in PMMA
- 1 July 1974
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 25 (1) , 25-27
- https://doi.org/10.1063/1.1655263
Abstract
A meaningful power threshold for focused laser damage in polymethyl methacrylate (PMMA) is established. It is also shown that the type (but not the extent) of damage is identical for the Q‐switched and non‐Q‐switched laser pulses for the range of power levels used. Finally, it is explained why the observed focused laser damage in PMMA is so much more extensive in the non‐Q‐switched case than in the Q‐switched case, even though the latter type of laser pulse has an inherently higher peak power.Keywords
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