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Pozdeeva, E. V.; Botaki, A. A.; Ul'anov V. L. |
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Low-temperature measurement of linear thermal-expansion coefficient of electroceramic materials |
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1978 |
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Steklo i Keramika |
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4 |
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30-31 |
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RPLAB @ s @ |
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417 |
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Boreman, Glenn D. |
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Infrared microantennas |
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Journal Article |
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1997 |
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SPIE |
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SPIE |
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3110 |
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882-885 |
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optical antennas |
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We present results of mesurments of the polarization response of asymetric spiral antennas coupled Ni-NiO-Ni diodes, over the wavelength range 10.2 to 10.7 μm. The feed structure of the antenna imposes an elliptical polarization singature that is different from the circular polarization expected from a symmetric spiral. We develop a lossy-transmission-line model yielding the measured polarization response. A combination of a balanced and an unbalanced mode is required. Reflected current waves from the arm ends are significant. |
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RPLAB @ gujma @ |
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755 |
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Doi, Y.; Wang, Z.; Ueda, T.; Nickels, P.; Komiyama, S.; Patrashin, M.; Hosako, I.; Matsuura, S.; Shirahata, M.; Sawayama, Y.; Kawada, M. |
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Title |
CSIP – a novel photon-counting detector applicable for the SPICA far-infrared instrument |
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2009 |
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SPICA |
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SPICA |
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SPICA Workshop 2009 |
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detectors; Infrared |
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We describe a novel GaAs/AlGaAs double-quantumwell device for the infrared photon detection, called ChargeSensitive Infrared Phototransistor (CSIP). The principle of CSIP detector is the photo-excitation of an intersubband transition in a QW as an charge integrating gate and the signal ampli<ef><ac><81>cation by another QW as a channel with very high gain, which provides us with extremely high responsivity (104 – 106 A/W). It has been demonstrated that the CSIP designed for the mid-infrared wavelength (14.7 μm) has an excellent sensitivity; the noise equivalent power (NEP) of 7 × 10-19 W/ with the quantum effciency of ~ 2%. Advantages of the CSIP against the other highly sensitive detectors are, huge dynamic range of > 106, low output impedance of 103 – 104 Ohms, and relatively high operation temperature (> 2 K). We discuss possible applications of the CSIP to FIR photon detection covering 35 – 60 μm waveband, which is a gap uncovered with presently available photoconductors. |
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RPLAB @ gujma @ |
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672 |
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Mumma, M.; Kostiuk, T.; Cohen, S.; Bühl, D.; Von Thuna, P. C. |
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Heterodyne spectroscopy of astronomical and laboratory sources at 8.5 μm using diode laser local oscillators |
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1975 |
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Space Science Reviews |
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17 |
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5 |
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661-667 |
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Springer Netherlands |
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229 |
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Encrenaz, Thérèse |
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Neutral Atmospheres of the Giant Planets: An Overview of Composition Measurements |
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2005 |
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Space Science Reviews |
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Space Sci Rev |
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116 |
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1-2 |
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99-119 |
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0038-6308 |
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RPLAB @ s @ |
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443 |
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