Abstract
We report recent investigations on collisional Optical-Field Ionization soft-x ray lasers. The amplifying medium is generated by focussing a high energy circularly polarized, 35 fs 10 Hz Ti: sapphire laser system in a few mm cell filled with gas (xenon or krypton). Using xenon, a gain of 67 cm-1 on the 4d95p-4d95d transition at 41.8 nm in Pd-like xenon and a gain-length product of 15 have been inferred at saturation. This source delivers about 5 109 photons per pulse. Using krypton, a large amplification of the 3d94d-3d94p line at 32.8 nm as been observed for the first time. The influence of the pumping energy and the laser polarization on the lasing output are also presented.
| Original language | English |
|---|---|
| Pages (from-to) | 195-203 |
| Number of pages | 9 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 4505 |
| DOIs | |
| Publication status | Published - 1 Jan 2001 |
Keywords
- Collisional x-ray lasers
- OFI
- Saturation
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