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The range and distribution of 200‐ and 400‐ke V boron implanted into silicon in a nonchanneling direction has been investigated by a differential capacitance method. While the range is found to correspond to that predicted from Lindhard's theory of amorphous stopping, the mean deviation does...
An experiment is described where a cw HCN laser working primarily at 337‐μm wavelength was used as the source of a Mach‐Zehnder interferometer for the study of plasma decay in the electron number density region 5 ⋅ 10 15 > n e > 5 ⋅ 10 13 cm −3 . It was found that an estimate of the...
A single pulse was selected from the train of mode‐locked pulses of a Nd‐glass laser using optics external to the oscillator cavity. Its pulse width was measured by the two‐photon fluorescence technique to be 10 to 15 psec with and without amplification. From energy measurements, the...
Experiments on the sodium D lines and an 0.82‐Å separated doublet in the iron spectrum have shown that holographically recorded dichromated gelatin diffraction gratings have resolving powers within 90% of theory. The diffraction gratings are of excellent optical quality, have background...
A theory is given for two branches, I and II, of acoustoelectric current oscillation under a transverse magnetic field in n ‐InSb. The peculiar behavior of branch I at high electric fields can be explained by the ``Doppler‐shifted'' amplification and the drastic change of magnetic field...
Capacitance measurements have been used to distinguish between the effective field and ionic avalanche models for the autocatalytic buildup of ionic current on applying a constant high field to tantalum pentoxide films.
Low‐temperature conductance peaks have been observed in tunneling measurements on aluminum‐phosphosilicate glass‐degenerate silicon sandwich structures. In magnetic fields up to 84 kOe these peaks split and, with certain assumptions, the g value for the impurity responsible for the peak is...
Evidence is given that the reported prompt emission of electrons from the rear side of Q ‐switched laser‐illuminated metal foils does not occur. The effect has been eliminated by careful light shielding of the electron collector.
The calculation of filament diameter is based on the wave equation involving field‐dependent electric permittivity for light frequencies expanded up to sixth power of electric field vector. With reasonable assumptions a diameter of 4–6 μ has been obtained. For increasing power fed into the...
Single‐crystal lithium niobate has been used as a holographic storage medium. The material undergoes a change in refractive indices upon exposure to suitably intense light thus allowing it to act as a pure‐phase, volume‐holographic medium requiring no processing. The holograms formed have...
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