- Abstract:
-
Amplification of spontaneous emission (ASE) at 23.6 nm has been studied in a Ge plasma heated by a 1 TW infrared laser pulse. The exponent of the axial gain reached 21 in a geometry with Fresnel number ≤ 1. Two plasma columns of combined length up to 36 mm were used with an extreme ultraviolet mirror giving double-pass amplification. Saturation of the ASE output was observed. The beam divergence was about 8× diffraction limited with a brightness estimated at 1014 W cm-2sr-1. The feedback from...
Expand abstract - Publisher copy:
- 10.1103/PhysRevLett.68.2917
-
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- Journal:
- Physical Review Letters
- Volume:
- 68
- Issue:
- 19
- Pages:
- 2917-2920
- Publication date:
- 1992
- DOI:
- ISSN:
-
0031-9007
- URN:
-
uuid:06748233-04ad-459c-9535-3311a5fd5937
- Source identifiers:
-
353868
- Local pid:
- pubs:353868
- Language:
- English
- Copyright date:
- 1992
Journal article
Saturated and near-diffraction-limited operation of an XUV laser at 23.6 nm
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