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A small size, low power demand, inexpensive device to convert fluctuating capacitance to linearly fluctuating voltage is described. An application of this device to surface wave measurements is made following a description of several transducers for converting fluctuating wave heights to a...
A nondispersive x‐ray spectrograph, using an x‐ray tube of the Henke type as the excitation source and a proportional counter as the detector, allows the analysis of light elements down to Be.
Experimental problems concerned with observation of Raman scattering by polaritons are discussed. An arrangement allowing the observation of scattering processes in parallel planes is described. The method proved to be very useful in order to avoid disturbing effects owing to anisotropy. Spectra...
The advantages of the use of molecular beams labeled with short lived ( T ☒ ≈10 −5 −10 −1 sec) nuclides in crossed beam studies of molecular interactions are discussed. Theoretical expressions useful for the design of effusive sources of such beams are presented. Experiments to verify...
An electroexplosive device installed as one arm of a self‐balancing bridge will yield a measurement of the thermal contact between the bridgewire and the explosive environment. This thermal conductance measurement can be used as a basic design or quality control parameter.
Application of a cross correlation technique for improving the signal‐to‐noise ratios and for measurements of time‐of‐flight (TOF) spectra of thermal energy molecular beams is described. Results of modulating a thermal argon beam are presented. A reduction of the noise level by a factor...
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