Dielectric breakdown of rubber materials by femtosecond irradiation

K. Yamasaki, S. Juodkazis, T. Lippert, M. Watanabe, Shigeki Matsuo, H. Misawa

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

We report the reversible micro-structuring of a synthetic rubber polymer (cis1,4-polybutadiene (PB)) by femtosecond laser illumination. Visco-elastic relaxation of the optically damaged region was observed. The recovery time, typically 102-104 ms, can be varied by changing the irradiation pulse energy. Multi-shot-induced damage recovers on the much longer scale of 101-102 s. It was found that the doping of PB by 4 wt. % of pentazadiene ([4-NO2]-phenyl-N=N-N(C3 H7)-N=N-phenyl-[4-NO2]) reduces the threshold of light-induced photo-modification by 20%. This is explained by photo-induced (homolytic) cleavage of the pentazadiene bonds and formation of gaseous N2, which facilitates material failure at the irradiated spot. The recovery of optical transmission can be applied to optical memory, optical and micro-mechanical applications. The underlying mechanism of the phenomenon is discussed in terms of anelastic α and β-relaxation (polymer backbone and chains/coils relaxation, respectively).

Original languageEnglish
Pages (from-to)325-329
Number of pages5
JournalApplied Physics A: Materials Science and Processing
Volume76
Issue number3
DOIs
Publication statusPublished - 2003 Mar
Externally publishedYes

Fingerprint

Polybutadienes
Rubber
Electric breakdown
rubber
polybutadiene
Polymers
breakdown
Irradiation
Elastomers
Synthetic rubber
Recovery
Optical data storage
irradiation
synthetic rubbers
Light transmission
Ultrashort pulses
recovery
Lighting
Doping (additives)
polymers

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy (miscellaneous)

Cite this

Dielectric breakdown of rubber materials by femtosecond irradiation. / Yamasaki, K.; Juodkazis, S.; Lippert, T.; Watanabe, M.; Matsuo, Shigeki; Misawa, H.

In: Applied Physics A: Materials Science and Processing, Vol. 76, No. 3, 03.2003, p. 325-329.

Research output: Contribution to journalArticle

Yamasaki, K. ; Juodkazis, S. ; Lippert, T. ; Watanabe, M. ; Matsuo, Shigeki ; Misawa, H. / Dielectric breakdown of rubber materials by femtosecond irradiation. In: Applied Physics A: Materials Science and Processing. 2003 ; Vol. 76, No. 3. pp. 325-329.
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