Far-ir heterodyne radiometric measurements with quasioptical Schottky diode mixers
Journal Article
·
· Appl. Phys. Lett.; (United States)
We have made heterodyne radiometric measurements with GaAs Schottky diode mixers, mounted in a corner-reflector configuration, over the spectral range 170 ..mu..m to 1 mm. At 400 ..mu..m, system noise temperatures of 9700 K DSB (NEP=1.4 x 10/sup -/19 W/Hz) and mixer noise temperatures of 5900 K have been achieved. This same quasioptical mixer has also been used to generate 10/sup -/7 W of tunable radiation suitable for spectroscopic applications.
- Research Organization:
- Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, Massachusetts 02173
- OSTI ID:
- 7051524
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 33:2; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700102* -- Fusion Energy-- Plasma Research-- Diagnostics
ARSENIC COMPOUNDS
ARSENIDES
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
FAR INFRARED RADIATION
FREQUENCY SELECTION
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
HETERODYNE RECEIVERS
INFRARED RADIATION
MEASURING INSTRUMENTS
MICROWAVE EQUIPMENT
MIXERS
NOISE
PLASMA DIAGNOSTICS
PNICTIDES
RADIATION DETECTORS
RADIATIONS
RADIO EQUIPMENT
RADIOMETERS
SCHOTTKY BARRIER DIODES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
SENSITIVITY
SPECTROSCOPY
TEMPERATURE NOISE
700102* -- Fusion Energy-- Plasma Research-- Diagnostics
ARSENIC COMPOUNDS
ARSENIDES
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
FAR INFRARED RADIATION
FREQUENCY SELECTION
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
HETERODYNE RECEIVERS
INFRARED RADIATION
MEASURING INSTRUMENTS
MICROWAVE EQUIPMENT
MIXERS
NOISE
PLASMA DIAGNOSTICS
PNICTIDES
RADIATION DETECTORS
RADIATIONS
RADIO EQUIPMENT
RADIOMETERS
SCHOTTKY BARRIER DIODES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
SENSITIVITY
SPECTROSCOPY
TEMPERATURE NOISE