Nd:YAG picosecond pulses delivery by cyclic olefin polymer-coated silver hollow glass waveguide

Helena Jelinkova, Mitsunobu Miyagi, Pavel Cerny, Jan Sulc, Yi Wei Shi, Yuji Matsuura

Research output: Contribution to journalConference article

4 Citations (Scopus)

Abstract

The flexible hollow waveguides - a cyclic olefin polymer-coated silver hollow glass waveguides (COP/Ag) with various inner diameters (540 μm, 700 μm, and 1000 μm) - specially prepared for the delivery of high power 1.06 μm radiation were investigated using an oscillator-3 amplifiers Nd:YAG laser system. The length of a single pulse was equal to 50 psec. In dependence to a diameter of the waveguide, transmission/attenuation as a function of the input laser energy were measured together with the input/output time radiation characteristics (in a picosecond resolution) and the spatial distribution of the output beam. The input energy up to 80 mJ, 70 mJ, and 30 mJ was transmitted with an efficiency higher than 90% for the COP/Ag hollow waveguides with a diameter of 1000 μm, 700 μm, and 540 μm, respectively. The picosecond temporal measurements show that the delivered pulse duration was not changed within a resolution of 5 picosecond. Therefore the maximum transmitted power reached was 1.5 GW. The characteristics obtained make all these waveguides very promising for the delivery of high-power laser pulses in special medical and other applications.

Original languageEnglish
Pages (from-to)276-283
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3911
Publication statusPublished - 2000 Jan 1
Externally publishedYes
EventBiomedical Diagnostic, Guidance, and Surgical-Assist Systems II - San Jose, CA, USA
Duration: 2000 Jan 252000 Jan 26

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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