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Optical Materials for High-Power Lasers


Pacific Rim Laser Damage

19-22 May 2013
Shanghai, China


Pacific Rim Laser Damage group

Pacific Rim Laser Damage 2013 brought together more than 100 scientists, engineers, and others from 11 countries working in high-power/high-energy lasers, materials and thin films, durability, properties modeling, testing, and component fabrication.

The event was the second in a biennial series organized by SPIE with SIOM, the Shanghai Institute of Optics and Fine Mechanics, with attendance up 10% over the inaugural event. Conference chairs were Jianda Shao of SIOM, Takahisa Jitsuno of Osaka University, and Wolfgang Rudolph of the University of New Mexico.

The conference was devoted at high level to the latest developments in laser damage of optical materials and in the advanced optical materials potentially applied in high-power lasers. Primary topics included:

  • high power laser damage (UV through IR)
  • ultrafast through CW laser irradiation effects
  • laser ablation and laser machining
  • high laser damage resistant coatings
  • characterization techniques and measurement protocols in laser damage
  • defects, contamination, polishing, and surface damage
  • mechanisms; modeling and simulations
  • nonlinear laser crystals
  • laser ceramics
  • optical glass and fibers.

Chairs noted that the conference provided an excellent opportunity for researchers to communicate efficiently, to exchange information on the new problems, solutions, and technologies in the field of laser damage as well as optical materials, and to establish closer collaborations.

Pacific Rim Laser Damage speakerThe event's technical talks opened with an overview of Laser Damage 2012, held in Colorado, by Shao and the first of the week's plenary talks, by Rudolph on femtosecond to nanosecond laser damage in dielectric materials.

Tuesday's plenary talks included:

  • Shengyi Li (National University of Defense Technology, China) on advanced optical manufacturing in high-power laser irradiated optics
  • A report from Jitsuno's team at Osaka University and others from the Promotion Center for Laser Technology, Japan, on insights into laser damage mechanisms and influence of contamination in optics; the full team includes Takahisa Jitsuno, Hidetoshi Murakami, Kota Kato, Eiji Sato, Katsuhiro Mikami, Shinji Motokoshi, and Noriaki Miyanaga
  • Qinjun Peng (Technical Institute of Physics and Chemistry, China) on advanced application and progress of high-power DUV laser.

 Wednesday plenary talks included:

  • Yong Feng Lu, Xiang Nan He, and Xi Huang (University of Nebraska, Lincoln) on laser-based spectroscopy and spectrometry
  • Nicolas Bonod (Institut Fresnel) on the effect of increasing the damage threshold and spectral bandwidth of diffraction gratings for pulse compression applications
  • Alexander Manenkov and A. M. Prokhorov (General Physics Institute, Russia) on fundamental mechanisms of laser-induced damage in optical materials.

Pacific Laser Damage poster session

In all, 88 papers were presented in 10 topical areas, in oral sessions as well as in well-attended poster sessions during morning breaks on Tuesday and Wednesday.

Accepted manuscripts are being published online in the SPIE Digital Library as approved, with the compiled volume to be published when all are complete.

Pacific Laser Damage welcome reception and banquet

Social events included social mixer on Sunday evening, a welcome reception and banquet (above) on Monday, and an acrobatic show on Wednesday (below).

Pacific Laser Damage acrobatics show

Pacific Laser Damage acrobatics show