Search Results - "Tannenwald, P. E."

Resonant tunneling through quantum wells at frequencies up to 2.5 THz by SOLLNER, T. C. L. G, GODDHUE, W. D, TANNENWALD, P. E, PARKER, C. D, PECK, D. D

“…Resonant tunneling through a single quantum well of GaAs has been observed. The current singularity and negative resistance region are dramatically improved…”
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Quantum well oscillators by SOLLNER, T. C. L. G, TANNENWALD, P. E, PECK, D. D, GOODHUE, W. D

“…Oscillations have been observed for the first time from double barrier resonant tunneling structures. By eliminating impurities from the wells, we have been…”
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Submillimeter Heterodyne Detection of Interstellar Carbon Monoxide at 434 Micrometers by Fetterman, H. R., Koepf, G. A., Goldsmith, P. F., Clifton, B. J., Buhl, D., Erickson, N. R., Peck, D. D., McAvoy, N., Tannenwald, P. E.

“…A submillimeter heterodyne radiometer, developed for astronomical applications, uses an optically pumped laser local oscillator and a quasi-optical Schottky…”
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Stimulated Brillouin and Raman Scattering in Quartz at 2.1 ° to 293 ° Kelvin by Tannenwald, P E, Thaxter, J B

“…Stimulated Brillouin shifts observed at 2.1 °K in quartz are the same at those observed at 293 °K. No extreme nonlinear behavior is observed. Recent anomalous…”
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Real-time spectral analysis of far-infrared laser pulses using an SAW dispersive delay line by Fetterman, H. R., Tannenwald, P. E., Parker, C. D., Melngailis, J., Williamson, R. C., Woskoboinikow, P., Praddaude, H. C., Mulligan, W. J.

“…Spectral analysis of high-power pulsed D2O lasers has been accomplished using SAW dispersive delay lines. Both the contributions of longitudinal modes and the…”
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Submillimeter Heterodyne Detection and Harmonic Mixing Using Schottky Diodes by Fetterman, H.R., Clifton, B.J., Tannenwald, P.E., Parker, C.D., Penfield, H.

“…Schottky diodes have been used for submillimeter , heterodyne detection and harmonic mixing. Using a carcinotron local oscillator at 890 mu m, sensitive…”
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Submillimeter Heterodyne Detection with Planar GaAs Schottky-Barrier Diodes by Murphy, R.A., Bozler, C.O., Parker, C.D., Fetterman, H.R., Tannenwald, P.E., Clifton, B.J., Donnelly, J.P., Lindley, W.T.

“…Planar surface-oriented Pt/GaAs Schottky-barrier diodes have been fabricated and used to detect signals at submillimeter wavelengths. Video detection has been…”
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FAR-INFRARED PHOTOCONDUCTIVITY IN HIGH-PURITY EPITAXIAL GaAs by Stillman, G. E., Wolfe, C. M., Melngailis, I., Parker, C. D., Tannenwald, P. E., Dimmock, J. O.

“…Extrinsic far-infrared photoconductivity has been observed at 4.2°K in high-purity n-type epitaxial layers of GaAs grown on Cr-doped semi-insulating GaAs…”
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Ferromagnetic Resonance in Thin Films of Permalloy by Tannenwald, P. E., Seavey, M. H.

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VIB-1 millimeter-band oscillations in a resonant-tunneling device by Brown, E.R., Sollner, T.C.L.G., Goodhue, W.D., Clifton, B.J., Tannenwald, P.E.

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IIIA-4 resonant tunneling through quantum wells at 2.5 THz by Sollner, T.C.L.G., Goodhue, W.D., Tannenwald, P.E., Parker, C.D., Peck, D.D.

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VIA-3 microwave oscillations and optical effects from resonant tunneling quantum well structures by Sollner, T.C.L.G., Tannenwald, P.E., Goodhue, W.D., Peck, D.D., Le, H.Q.

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Submillimeter detection and mixing using Schottky diodes by Fetterman, H. R., Clifton, B. J., Tannenwald, P. E., Parker, C. D.

“…Schottky diodes have been used for the first time as harmonic mixers in the 0.1–1.0-mm wavelength region. Beat notes between the 33rd harmonic of a 74-GHz…”
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Exchange Integral in Cobalt from Spin-Wave Resonance by Tannenwald, P. E., Weber, R.

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Multiple Resonances in Cobalt Ferrite by Tannenwald, P. E.

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Far infrared and submillimeter impact ionization modulator by Melngailis, I., Tannenwald, P.E.

“…Free carriers in germanium produced by impact ionization at 4.2°K have been used to modulate 200-µ- to 2-mm-wavelength radiation. Modulation depths up to 100…”
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Submillimeter Model Measurements and their Applications to Millimeter Radar Systems by Waldman, J., Fetterman, H. R., Duffy, P. E., Bryant, T. G., Tannenwald, P. E.

“…A submillimeter-based modeling system has been developed and employed to obtain imaging and radar cross section (RCS) measurements of scale model targets. In…”
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Submillimeter Heterodyne Detection and Harmonic Mixing using Schottky Diodes by Fetterman, H. R., Clifton, B. J., Tannenwald, P. E., Parker, C. D., Penfield, Hays

“…Schottky diodes have been used for submillimeter heterodyne detection and harmonic mixing. In particular, extremely sensitive detectors of optically pumped…”
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Ferromagnetic Resonance in Manganese Ferrite Single Crystals by Tannenwald, P. E.

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Comments on "Standing Spin-Wave Resonance in `Flash-Evaporated' Permalloy Films" by Tannenwald, P. E., Weber, R.

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