Impact of Electron Collision Mixing on the delay times of an electron beam excited Atomic Xenon laser

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Peters, Peter J. and Lan, Yun Fu and Ohwa, Mieko and Kushner, Mark J. (1990) Impact of Electron Collision Mixing on the delay times of an electron beam excited Atomic Xenon laser. IEEE Journal of Quantum Electronics, 26 (11). pp. 1964-1970. ISSN 0018-9197

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Abstract:The atomic xenon (5d¿6p) infrared laser has been experimentally and theoretically investigated using a short-pulse (30-ns), high-power (1-10-MW/cm3) coaxial electron beam excitation source. In most cases, laser oscillation is not observed during the e-beam current pulse. Laser pulses of hundreds of nanoseconds duration are subsequently obtained, however, with oscillation beginning 60-800 ns after the current pulse terminates. Results from a computer model for the xenon laser reproduce the experimental values and show that oscillation begins when the fractional electron density decays below a critical value of ≈0.2-0.8×10 6. These results lend credence to the proposal that electron collision mixing of the laser levels limits the maximum value of specific power deposition that can be used to excite the atomic xenon laser efficiently on a quasi-CW basis
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Copyright:©1990 IEEE
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Link to this item:http://purl.utwente.nl/publications/24843
Official URL:http://dx.doi.org/10.1109/3.62115
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Metis ID: 129644