| Records |
| Author |
Zhou, Y.D.; Becker, C. R.; Ashokan, R.; Selamet, Y.; Chang, Y.; Boreiko, R. T.; Betz, A. L.; Sivananthan, S. |
| Title |
Progress in far-infrared detection technology |
Type |
Conference Article |
| Year |
2002 |
Publication |
Proc. SPIE |
Abbreviated Journal |
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| Volume |
4795 |
Issue |
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Pages |
121-128 |
| Keywords |
HgCdTe/CdTe, detector |
| Abstract |
II-VI intrinsic very long wavelength infrared (VLWIR, λc~20 to 50 μm) materials, HgCdTe alloys as well as HgCdTe/CdTe superlattices, were grown by molecular beam epitaxy (MBE). The layers were characterized by means of X-ray diffraction, conventional Fourier transform infrared spectroscopy, Hall effect measurements and transmittance electron microscopy (TEM). Photoconductor devices were processed and their spectral response was also measured to demonstrate their applicability in the VLWIR region. |
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Longshore, R. E.; Sivananthan, S. |
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Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series |
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471 |
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| Author |
Kostiuk, Theodor |
| Title |
Heterodyne spectroscopy in the thermal infrared region: a window on physics and chemistry |
Type |
Conference Article |
| Year |
2003 |
Publication |
Proc. International Thermal Detectors Workshop (TDW'03), session 7 (Heterodyne detectors) |
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HgCdTe detector |
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3501 University Boulevar East Adelphi, MD 20783 |
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University of Maryland Inn and Conference Center |
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372 |
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| Author |
Arams, F.; Allen, C.; Peyton, B.; Sard, E. |
| Title |
Millimeter mixing and detection in bulk InSb |
Type |
Conference Article |
| Year |
1966 |
Publication |
Proc. IEEE |
Abbreviated Journal |
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| Volume |
54 |
Issue |
4 |
Pages |
612-622 |
| Keywords |
InSb, mixer, detector |
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219 |
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| Author |
Kostiuk, T.; Spears, D. |
| Title |
30 μm heterodyne receiver |
Type |
Journal Article |
| Year |
1987 |
Publication |
Int. J. Infrared and Millimeter Waves |
Abbreviated Journal |
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| Volume |
8 |
Issue |
10 |
Pages |
1269-1279 |
| Keywords |
HgCdTe detector mixer |
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235 |
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Gershenzon, E. M.; Gershenzon, M. E.; Goltsman, G. N.; Semenov, A. D.; Sergeev, A. V. |
| Title |
Wide-band highspeed Nb and YBaCuO detectors |
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Journal Article |
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1991 |
Publication |
IEEE Trans. Magn. |
Abbreviated Journal |
IEEE Trans. Magn. |
| Volume |
27 |
Issue |
2 |
Pages |
2836-2839 |
| Keywords |
YBCO, HTS, Nb detectors |
| Abstract |
The physical limitations on the response time and the nature of nonequilibrium detection of radiation were investigated for Nb and YBCO film in a wide spectral range from millimeter to near-infrared wavelengths. In the case of ideal heat removal from the film, the detection mechanism is connected with an electron heating effect which is not selective over a wide spectral interval. For Nb, the dependence of the response time on the electron mean free path l and temperature T is tau varies as T/sup -2/l/sup -1/. The values of detectivity D* and tau are 3*10/sup 11/ W/sup -1/ Hz/sup 1/2/ cm and 5*10/sup -9/ s at T=1.6 K, respectively. For YBCO film the tau value of 1-2 ps at T=77 K was obtained; the NEP value of 3*10/sup -11/ W-Hz/sup -1/2/ can be obtained at T=77 K in the case of the optimal film matching to the radiation. |
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0018-9464 |
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239 |
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