Abstract
A high power tuned dye laser system has been developed as part of a system to produce a Li+ ion source for the Sandia PBFA-II ion accelerator. The present ion diode requires a plasma source ~1 mm thick with a density of 1017 cm−3 over a total area of ~1000 cm2. These ion source requirements and a technique for producing the thin layer of lithium vapor were discussed previously.1 The ionization of this layer by laser ionization by on-resonant saturation was demonstrated in a small scale experiment. Detailed modeling of the ionization process has generated the photon requirements at the anode of 3 × 104 W/cm2, 1 μs pulse length, and a bandwidth of 0.3 nm at the lithium resonant wavelength of 670.8 nm.
© 1989 Optical Society of America
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