High brightness operation of a XeCl laser with negative branch unstable resonators |
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Authors: | J W Chen V Nassisi M R Perrone |
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Institution: | (1) Dipartimento di Fisica dell'Universita', Centro Interuniversitario di Elettronica Quantistica e Plasmi, 73100 Lecce, Italy |
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Abstract: | Confocal and non-confocal negative branch unstable resonators with an intracavity spatial filter have been applied to a high-gain short-pulse UV preionized XeCl laser. The near- and far-field radiation characteristics have been investigated in both configurations. Laser beams of larger brightness have been obtained with non-confocal schemes. A maximum beam brightness of 1.3×1014 Wcm–2Sr–1 has been achieved. |
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