Dynamic absorption coefficient of water for high-density Er:YAG laser radiation

Katsumasa Iwai, Masashi Endo, Kentaro Ito, Yi Wei Shi, Yuji Matsuura, Mitsunobu Miyagi, Helena Jelinkova

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

Transmission experiments of Er:YAG laser light under water were performed by a laser delivery system comprising a hollow fiber and an end sealing cap. The experiments were based on a high energy fluence which produces vapor bubbles in water. Transmission properties of Er:YAG laser light were evaluated with various laser energy and pulse-repetition rates. The results show that, at high laser fluence, the attenuation coefficient of water is very small because water on light axis is fully vaporized.

Original languageEnglish
Pages (from-to)172-179
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5317
DOIs
Publication statusPublished - 2004 Oct 27
EventProgress in Biomedical Optics and Imaging - Optical Fibers and Sensors for Medical Applications IV - San Jose, CA, United States
Duration: 2004 Jan 242004 Jan 25

Keywords

  • Absorption coefficient
  • Er:YAG laser
  • Hollow fiber
  • Sealing cap
  • Water

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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