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Spectral Linewidth Measurement of a Ne-Like Ar Capillary Discharge Soft X-Ray Laser

2013; Springer Nature; Linguagem: Inglês

10.1007/978-3-319-00696-3_41

1867-4941

Ł. Urbański, M. C. Marconi, Lei Meng, M. Berrill, Olivier Guilbaud, A. Klisnick, J. J. Rocca,

Atomic and Molecular Physics

We report on the measurement of spectral linewidth of a Ne-like Ar table-top capillary discharge laser. The linewidth was measured as a function of the gain medium length. Due to inhomogeneous character of the linewidth, saturation re-broadening is expected. However no such behavior was observed while the amplifier length was extended beyond saturation. This situation is compared with a numerical model, identifying that even a small amount of collisional broadening effectively homogenizes the line profile.