Disk-shaped heat-pipe oven used for lithium excited-state lifetime measurements
Robert W. Boyd, Jack G. Dodd, Jerzy Krasinski, and C. R. Stroud, Jr.
Opt. Lett. 5, 117 (1980).
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A metal-vapor spectroscopic oven based on the heat-pipe principle has been
constructed in which the heated stainless steel wicks are mounted on disks
spaced closely compared with their radii and in which the window is a glass
spacer ring separating the disks and permitting optical access to the
active volume. The device has been successfully operated using both sodium
and lithium as the working fluid. The lithium 4s
2S1/2 and 5s 2S1/2
radiative life-times were measured with this device,
yielding values of 56 +/- 1.7 and 99 +/- 9 nsec, respectively.
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