1 February 1994 Shattering the myth of the resonantly photo-pumped neon-like titanium laser
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We will present results which show lasing on the 3p yields 3s (J equals 0 yields 1) transition in neon-like chromium (Z equals 24), iron (Z equals 24), iron (Z equals 26), and nickel (Z equals 28) at 285, 255, and 231 angstroms respectively. This destroys the myth of titanium being unique and makes highly unlikely that the previously mentioned photo-pumping mechanism is playing a significant role in the titanium laser. The chromium, iron, and nickel experiments all require a prepulse in order to lase and our calculations suggest that the prepulse is an exciting new way to create a uniform low density plasma when illuminating a thick slab target. This allows the proper conditions for gain and laser propagation for low Z neon-like ions and may also be applicable to other systems such as low Z nickel-like ions. We also will present experiments done on other low-Z materials and offer an explanation as to how the hyperfine effect is destroying the gain of neon-like ions with odd Z.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Joseph Nilsen, Joseph Nilsen, Brian J. MacGowan, Brian J. MacGowan, Luiz Barroca Da Silva, Luiz Barroca Da Silva, Juan C. Moreno, Juan C. Moreno, Jeffrey A. Koch, Jeffrey A. Koch, James H. Scofield, James H. Scofield, } "Shattering the myth of the resonantly photo-pumped neon-like titanium laser", Proc. SPIE 2012, Ultrashort Wavelength Lasers II, (1 February 1994); doi: 10.1117/12.167377; https://doi.org/10.1117/12.167377

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