| Records |
| Author |
Norton, P. |
Title  |
HgCdTe infrared detectors |
Type |
Journal Article |
| Year |
2002 |
Publication |
Opto-Electronics Review |
Abbreviated Journal |
Opto-Electron. Rev. |
| Volume |
10 |
Issue |
3 |
Pages |
159-174 |
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no |
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Serial |
458 |
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| Author |
Betz, A. L.; Boreiko, R. T.; Sivananthan, S.; Ashokan, R. |
| Title |
HgCdTe photoconductive mixers for 2-8 THz |
Type |
Conference Article |
| Year |
2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
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Issue |
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Pages |
92-101 |
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Place of Publication |
San Diego, CA, USA |
Editor |
Jet Propulsion Laboratory, California Inst.it.u.t.e of Technology |
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no |
| Call Number |
RPLAB @ s @ HgCdTe_2p5hf_to_k_at_10um |
Serial |
321 |
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| Author |
Albert Betz; Rita Boreiko; Yongdong Zhou; Jun Jhao; Yusuf Selamet; Yong Chang; Renganathan Ashokan; Charlie Bukcer; Sivalingam Sivanathan |
| Title |
HgCdTe photoconductive mixers for 3-15 terahertz |
Type |
Conference Article |
| Year |
2003 |
Publication |
Proc. 14th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
102-111 |
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Place of Publication |
Tucson, USA |
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no |
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RPLAB @ s @ HgCdTe_at3to15THz_fabr |
Serial |
338 |
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| Author |
Hartogh, P.; Crovisier, J.; de Val-Borro, M.; Bockelée-Morvan, D.; Biver, N.; Lis, D. C.; Moreno, R.; Jarchow, C.; Rengel, M.; Emprechtinger, M.; Szutowicz, S.; Banaszkiewicz, M.; Bensch, F.; Blecka, M. I.; Cavalié, T.; Encrenaz, T.; Jehin, E.; Küppers, M.; Lara, L.-M.; Lellouch, E.; Swinyard, B. M.; Vandenbussche, B.; Bergin, E. A.; Blake, G. A.; Blommaert, J. A. D. L.; Cernicharo, J.; Decin, L.; Encrenaz, P.; de Graauw, T.; Hutsemekers, D.; Kidger, M.; Manfroid, J.; Medvedev, A. S.; Naylor, D. A.; Schieder, R.; Thomas, N.; Waelkens, C.; Roelfsema, P. R.; Dieleman, P.; Güsten, R.; Klein, T.; Kasemann, C.; Caris, M.; Olberg, M.; Benz, A. O. |
| Title |
HIFI observations of water in the atmosphere of comet C/2008 Q3 (Garradd) |
Type |
Journal Article |
| Year |
2010 |
Publication |
Astron. Astrophys. |
Abbreviated Journal |
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| Volume |
518 |
Issue |
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Pages |
L150 (1 to 5) |
| Keywords |
HEB mixer applications, HIFI, Herschel, comets: individual: C/2008 Q3 / radio lines: general / submillimeter: general / techniques: spectroscopic |
| Abstract |
High-resolution far-infrared and sub-millimetre spectroscopy of water lines is an important tool to understand the physical and chemical properties of cometary atmospheres. We present observations of several rotational ortho- and para-water transitions in comet C/2008 Q3 (Garradd) performed with HIFI on Herschel. These observations have provided the first detection of the 212–101 (1669 GHz) ortho and 111–000 (1113 GHz) para transitions of water in a cometary spectrum. In addition, the ground-state transition 110–101 at 557 GHz is detected and mapped. By detecting several water lines quasi-simultaneously and mapping their emission we can constrain the excitation parameters in the coma. Synthetic line profiles are computed using excitation models which include excitation by collisions, solar infrared radiation, and radiation trapping. We obtain the gas kinetic temperature, constrain the electron density profile, and estimate the coma expansion velocity by analyzing the map and line shapes. We derive water production rates of 1.7–2.8 × 1028 s-1 over the range rh = 1.83–1.85 AU. |
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no |
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1088 |
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| Author |
Ito, Hiroshi |
| Title |
High frequency photodiode work in Japan |
Type |
Manuscript |
| Year |
2002 |
Publication |
Report at NTT photonics laboratories |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
1-4 |
| Keywords |
THz, terahertz communications, photodiode |
| Abstract |
The recent progress in the device performance of the uni-traveling-carrier photodiode (UTC-PD) is described. The UTC-PD utilizes only electrons as the active carriers, and this unique feature is the key to achieving excellent high-speed and high-output characteristics simultaneously. The achieved performance includes a record 3-dB bandwidth of 310 GHz, high-power photonic millimeter-wave generation with an output power of over +13 dBm at 100 GHz, high-output-voltage photoreceiver operation at bit rates of up to 80 Gbit/s, and demultiplexing operation at 200 Gbit/s using a monolithic PD-EAM optical gate. |
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no |
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596 |
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