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Proceedings Article

Optical damage threshold and energy deposition in the embedded nanostructures

[+] Author Affiliations
Karol A. Janulewicz, Hak Jae Lee, Asep Hapiddin, Chul Min Kim, Dickson Joseph, K. E. Geckeler, Peter V. Nickles

Gwangju Institute of Science and Technology (Korea, Republic of)

Bohuslav Matouš

Czech Technical Univ. (Czech Republic)

Proc. SPIE 8530, Laser-Induced Damage in Optical Materials: 2012, 853006 (December 6, 2012); doi:10.1117/12.977307
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From Conference Volume 8530

  • Laser-Induced Damage in Optical Materials: 2012
  • Gregory J. Exarhos; Vitaly E. Gruzdev; Joseph A. Menapace; Detlev Ristau; M J Soileau
  • Boulder, Colorado, USA | September 23, 2012

abstract

Results of energy deposition measurement in interaction between an ultra-short laser pulse and nanostructured target are described. As a target we used carbon nanotubes and multilayer graphene deposited on a sapphire wafer surface and embedded in a layer of protein. A 25 fs, p-polarised pulses from a 1 kHz-Ti;sapphire laser of energy up to 3 mJ were focused to give intensity up to 2&times;10<sup>16</sup> W/cm<sup>2</sup> on a target positioned within an integrating sphere. The absorption measured showed a level in excess of 80 %, increasing with the intensity. The results suggest that the host material (lysozyme) is responsible for the breakdown while the embedded material contributes dominantly to the absorption.© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Karol A. Janulewicz ; Hak Jae Lee ; Asep Hapiddin ; Bohuslav Matouš ; Chul Min Kim, et al.
"Optical damage threshold and energy deposition in the embedded nanostructures", Proc. SPIE 8530, Laser-Induced Damage in Optical Materials: 2012, 853006 (December 6, 2012); doi:10.1117/12.977307; http://dx.doi.org/10.1117/12.977307


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