T-111 cesium natural convection loop
Corrosion resistance evaluation of tantalum alloy tubing for cesium natural convection loop
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Corrosion resistance evaluation of tantalum alloy tubing for cesium natural convection loop
Design, development, and life tests of electron bombardment cesium ion engine system, permanent magnet engine, and ac discharge engine
Solubility limit of potassium and cesium in liquid lithium
Comparison of porous ionizer materials for cesium contact-ionization thrustors
General atom theory for volume ion production cost and rate in tenuous plasma having Maxwellian distribution of electron energies - detailed results for argon, cesium and helium gases
Preliminary collation of thermodynamic and transport properties of saturated liquid and vapor cesium
Full temperature range electron and ion emission from polycrystalline surfaces of Nb, Mo, Ta, W, Re, Os and Ir in cesium vapor
Radioactive tracer technique for measurement of yield and angular distribution of molybdenum sputtered by cesium ion beam
Three-body collisional recombination coefficients calculated for cesium and argon atomic ions, assessing Gryzinski cross sections
Intercomparison of hydrogen and cesium frequency standard
Temperature control and thermal coupling of cesium adsorption porous tungsten, charcoal and graphite reservoirs
Oxygen as steady state electronegative additive in cesium thermionic converter shown to improve performance without surface corrosion
Porous cesium ionizer with improved lifetime obtained by adding secondary tantalum to tungsten powder
Cesium ion emission patterns from rear-fed porous refractory metals studied by thermal emission microscope
Cesium vapor ionization on porous tungsten substrate creates gradients in surface atom concentrations diminishing ionization efficiency
Cesium bombardment ion engine performance, giving starting circuit and automatic discharge power control system
Measurement of cesium and mercury ion-atom resonance charge exchange cross section
We present measurements confirming operation of a cesium fountain frequency standard with light shift below 10^-15 (and with evidence suggesting it is several orders of magnitude below this level) but without the use of mechanical shutters. Suppression of the light shift is realized using a master-slave laser configuration by reducing the overall optical power delivered to the physics package as well as spoiling the injection of the slave, causing it to lase far off resonance (1-2 nm) as proposed by the authors several years ago [l]. In the absence of any mitigation, this (AC Stark) shift, due to near-resonant laser light reaching the atoms during their microwave interrogation period, is the largest shift in such frequency standards (2x10^-11 for Our fountain). Mechanical shutters provided adequate light attenuation but have been prone to failure.