Operating parameter optimization of single color and four-color spatially separated QWIP focal plane array
Explore the source record for details and available documents.
QWIP four color MWIR LWIR focal plane array infrar↗
SEARCH · Search NASA
Results for “Focal”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Operating parameter optimization of single color and four-color spatially separated QWIP focal plane array
This paper will report on the characterization of spatially separated four-color QWIP FPA and LWIR QWIP camera. Optimization of operating parameters for each color and the best optimized operating parameters for all four-color operating simultaneously will be discussed.
QWIP four color MWIR LWIR focal plane array infrar↗
10-16 meu broadband 640X512 GaAs/AlGaAs quantum well infrared photodetector (QWIP) focal plane array
In this presentation, we will discuss the development of this large format broadband infrared FPA based on a GaAs/AlGaAs materials system and its performance in quantum efficiency, uniformity, and operability.
very long-wavelength infrared (VLWIR) gallium arse↗
Large Format Quantum Well Infrared Photodetector Focal Plane Arrays for Astronomical Instrumentations
Quantum Well Infrared Photodetectors (QWIPs) afford greater flexibility than the usual extrinsically doped semiconductor IR detectors.
Infrared Focal Plane Arrays Quantum Wells↗
A Method Using Focal Plane Analysis to Determine the Performance of Reflector Antennas
Reflector antenna optimization schemes using array feeds and deformable flat plates (DFP) have been used to design systems that recover antenna losses resulting from antenna distortions.
rar-field scattered patterns focal plane antenna D↗
Feasibility Demonstration of a Thermal Switch for Dual Temperature IR Focal Plane Cooling
Explore the source record for details and available documents.
focal plane cryogenic radiator cryocooler thermal ↗
Quantum Well Infrared Photodetector (QWIP) Focal Plane Arrays
Intrinsic infrared detectors in the long-wavelength range (6 - 20 ??are based on interband transition which promotes an electron across the band gap (E(sub g)) from the valence band to the conduction band.
IR QWIP Focal Plane Arrays Quantum Wells Infrared↗
640x486 Long-wavelength Dualband GaAs/AlGaAs Quantum Well Infrared Photodetector (QWIP) Focal Plane Array Camera
An optimized long-wavelength/very long-wavelength two-color Quantum Well Infrared Photodetector (QWIP) device structure has been designed. This device structure was grown on a three-inch semi-insulating GaAs substrate by molecular beam epitaxy (MBE).
multi-quantum-wells intersubband transitions long-↗
Quantum Well Infrared Photodetector Focal Plane Arrays for Astronomy
Explore the source record for details and available documents.
quantum wells infrared focal plane array↗
Thermal Imaging with Novel Infrared Focal Plane Arrays and Quantitative Analysis of Thermal Imagery
We have developed a single long-wavelength infrared (LWIR) quantum well infrared photodetector (QWIP) camera for thermography. This camera has been used to measure the temperature profile of patients. A pixel coregistered simultaneously reading mid-wavelength infrared (MWIR)/LWIR dual-band QWIP camera was developed to improve the accuracy of temperature measurements especially with objects with unknown emissivity. Even the dualband measurement can provide inaccurate results due to the fact that emissivity is a function of wavelength. Thus we have been developing a four-band QWIP camera for accurate temperature measurement of remote object.
Thermography↗
Recent Developments and Applications of Quantum Well Infrared Photodetector Focal Plane Arrays
One of the simplest device realizations of the classic particle-in-the-box problem of basic quantum mechanics is the Quantum Well Infrared Photodetector (QWIP).
infrared↗
Long-wavelength 640x484 GaAs/Al x Ga 1-x As Quantum Well Infrared Photodetector Focal Plane Array Camera
A hand-held quantum well infrared photodetector camera has been demonstrated.
Infrared↗
640x486 Long-Wavelength Two-Color GaAs/AlGaAs Quantum Well Infrared Photodetector (QWIP) Focal Plane Array Camera
An optimized long-wavelength very long-wavelength two-color Quantum Well Infrared Photodetector (QWIP) device structure has been designed.
Multi-quantum-wells↗
Commercialization of Quantum Well Infrared Photodetector QWIP Focal Plane Arrays
Many commercial and government applications need high performance, large format, long-wavelength infrared (LWIR) detector arrays in the range of 6-20 mu.
Quantum↗