The development of soft x-ray lasers in IAMS

M. C. Chou, H. H. Chu, H. E. Tsai, P. H. Lin, L. S. Yang, D. L. Chen, C. H. Lee, J. Y. Lin, J. Wang, S. Y. Chen

Research output: Contribution to journalConference articlepeer-review


An optical-field-ionization soft x-ray laser with prepulse-controlled nanoplasma expansion in a cluster gas jet was demonstrated. Pd-like xenon lasing at 41.8-nm with 95 nJ pulse energy and 5-mrad divergence was achieved, indicating near-saturation amplification. In addition, by using deflectometry of a longitudinal probe pulse to resolve the spatiotemporal distribution of the preformed plasma, we characterize and control the plasma density distribution near the target surface for the development of solid-target x-ray lasers. We show that the use of prepulses in an ignitor-heater scheme can increase the scale length of the preformed plasma and how the effect varies with target materials.

Original languageEnglish
Article number59190T
Pages (from-to)1-12
Number of pages12
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2005
EventSoft X-Ray Lasers and Applications VI - San Diego, CA, United States
Duration: 2 Aug 20053 Aug 2005


  • Cluster
  • Deflectometry
  • Ignitor-heater scheme
  • Interferometry
  • Optical-filed-ionization
  • Pd-like Xe
  • X-ray laser


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