Cumulative damage of ultrafast laser pulses

A. Hanuka, L. Schächter, K. P. Wootton, Z. Wu, K. Soong, I. V. Makasyuk, R. J. England

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We present preliminary experimental results indicating that damage threshold fluence (DTF) for fused silica changes with the number of femtosecond laser (10Hz 600Hz, 65±5 fs, 800nm) shots. Based on the experimental data we were able to develop a model which indicates that the change in DTF varies with number of shots logarithmically (lnp) up to a critical value. Above this value, DTF approaches an asymptotic value. Both DTF for a single shot and the asymptotic value as well as the critical value where this happens are extrinsic parameters dependent on the configuration (repetition rate, pressure and geometry near or at the surface). Indications are that the power of this dependence (p) is an intrinsic parameter independent of the configuration.

Original languageEnglish
Title of host publicationIPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference
Pages4066-4069
Number of pages4
ISBN (Electronic)9783954501472
StatePublished - 2016
Event7th International Particle Accelerator Conference, IPAC 2016 - Busan, Korea, Republic of
Duration: 8 May 201613 May 2016

Publication series

NameIPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference

Conference

Conference7th International Particle Accelerator Conference, IPAC 2016
Country/TerritoryKorea, Republic of
CityBusan
Period8/05/1613/05/16

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Atomic and Molecular Physics, and Optics

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