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A 60 GHz Planar Frequency Multiplier Feed on a Silicon Dielectric-Filled Parabola

Kim, M.; Fujiwra, B. H.; Humphrey, D. A.; Martin, S. C.; Smith, R. P.; Siegel, P. H. (1997-10-15)

A novel all-planar quasi-optical schottky varactor diode frequency doubler has been fabricated and has produced more than 1 mW of output power at 600 GHz with an approximately 2 percent conversion efficiency.

A 60 Meter Delay Stabilized Microwave Fiber Optic Link for 5.3 GHz Reference Signal Distribution on the Shuttle Radar Topography Mapper

Lutes, G.; Tu, M.; McWatters, D. (1999-02-16)

The Photonic Systems for Antenna Applications Symposium (PSAA) is the primary conference devoted exclusively to the exchange of information on the technology and application of photonics in antenna, phased array, and sensor ...

600 MGHz Planar-Schottsky-Diode Subharmonic Waveguide Mixers

Mehdi, I.; Lee, T.; Humphrey, D.; Martin, S.; Dengler, R. J.; Oswald, J. E.; Pease, A.; Smith, R. P.; Siegel, P. H. (1996)

We report on the first planar two-diode subharmonic mixer operating at 600MGHz.

A 600GHz Planar Frequency Multiplier Feed On a Silicon Parabola

Humphrey, D. A.; Smith, R. P. (1997-04)

A 640 GHz Planar-Diode Fundamental Mixer/Receiver

Siegel, P.; Mehdi, I.; Dengler, R.; Lee, T.; Humphrey, D.; Pease, A. (1998-06-07)

The design and performance of a 640 GHz solid-state receiver using a fundamental planar-Schottky-diode mixer, InP Gunn diode oscillator, whisker-contacted Schottky-varactor-diode sextupler and folded-Fabry-Perot diplexer ...

640 X 512 pixel long-wavelength infrared narrowband, multiband, and broadband QWIP focal plane arrays

Gunapala, S. D.; Bandara, S. V.; Liu, J. K.; Rafol, S. B.; Mumolo, J. M. (2003-12)

A 640 512 pixel, long-wavelength cutoff, narrowband(delta lambda/lambda ~ 10%) quantum-well infrared photodetector(QWIP) focal plane array (FPA), a four-band QWIP FPA in the 4??m spectral region, and a broadband (delta ...

640 x 512 pixels long-wavelength infrared (LWIR) quantum-dot infrared photodetector (QDIP) imaging focal plane array

Gunapala, Sarath D.; Bandara, Sumith V.; Hill, Cory J.; Ting, David Z.; Liu, John K.; Rafol, Sir B.; Blazejewski, Edward R.; Mumolo, Jason M.; Keo, Sam A.; Krishna, Sanjay; Chang, Y.-C.; Shott, Craig A. (IEEE-Inst Electrical Electronics Engineers Inc, 2007-03-03)

Epitaxially grown self-assembled. InAs-InGaAs-GaAs quantum dots (QDs) are exploited for the development of large-format long-wavelength infrared focal plane arrays (FPAs). The dot-in-a-well (DWELL) structures were ...

640x486 Long-wavelength Dualband GaAs/AlGaAs Quantum Well Infrared Photodetector (QWIP) Focal Plane Array Camera

Gunapala, S.; Bandara, S.; Liu, J.; Rafol, S.; Luong, E.; Mumolo, J.; Tran, N. (1999-09-05)

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 ...

640x486 Long-Wavelength Two-Color GaAs/AlGaAs Quantum Well Infrared Photodetector (QWIP) Focal Plane Array Camera

Gunapala, S.; Bandara, S.; Singh, A.; Liu, J.; Rafol, S.; Luong, E.; Mumolo, J.; Tran, N.; Vincent, J.; Shott, C.; Long, J.; LeVan, P. (1999)

An optimized long-wavelength very long-wavelength two-color Quantum Well Infrared Photodetector (QWIP) device structure has been designed.

640x512 pixel four-band, broad-band, and narrow-band quantum well infrared photodetector focal plane arrays

Gunapala, S. D.; Bandara, S. V.; Liu, J. K.; Rafol, S. B.; Shott, C. A.; Jones, R.; Laband, S.; Woolaway, J. II; Fastenau, J. M.; Liu, A. K.; Jhabvala, M.; Choi, K. K. (2002-07-07)

In this paper, we discuss the development of this very sensitive long wavelength infrared (LWIR) camera based on a Ga/AlGaAs QWIP focal plane array and its performance in quantum efficiency, NETD, uniformity, and operability.

640x512 pixel narrow-band, four-band, and broad-band quantum well infrared photodetector focal plane arrays

Gunapala, S. D.; Bandara, S. V.; Liu, J. K.; Rafol, S. B.; Shott, C. A. (2003-04-21)

In this paper, we discuss the development of this very sensitive long wavelength infrared (LWIR) camera based on a GaAs/AlGaAs QWIP focal plane array and its performance in quantum efficiency, NEDT, uniformity, and operability.

640x512 pixel narrow-band, four-band, and broad-band quantum well infrared photodetector focal plane arrays

Gunapala, S. D.; Bandara, S. V.; Liu, J. K.; Rafol, S. B.; Mumolo, J. M.; Shott, C. A.; Jones, R.; Woolaway, J. II; Fastenau, J. M.; Liu, A. K.; Jhabvala, M.; Choi, K. K. (2002-10-13)

In this paper, we discuss the development of this very sensitive long wavelength infrared camera based on a GaAs/AlGaAs QWIP focal plane array and its performance in quantum efficiency, NEDT, uniformity, and operability.

64Mb COTS DRAMs: A Variety of SEE Responses

Swift, G. (1998-09-14)

Advanced commercial DRAMs are particularly attractive to designers for space applications needing large memory arrays due to resulting savings in mass, volume, and power.

64x64 Analog Input Array for 3-Dimensional Neural Network Processor

Duong, T. A.; Thomas, T.; Daud, T.; Thakoor, A.; Lee, B. (1997-03-12)

In pattern recognition and classification for spatio-temporal problems, one of the most challenging tasks is to provide a good and valid solution in real-time. Because of time constraints, software-based neural network ...

65-145 GHz InP MMIC HEMT medium power amplifiers

Samoska, L.; Leong, Y. C. (2001-05-20)

In this paper, we present two MMIC power amplifier designs utilizing InP HEMT technology.

67 additional L dwarfs discovered by the Two Micron All Sky Survey.

Kirkpatrick, J.; Reid, I.; Liebert, J.; Gizis, J.; Burgasser, A.; Monet, D.; Dahn, C.; Nelson, B.; Williams, R. (2000-07)

One of the goals of this new search was to locate more examples of the latest L dwarfs. Of the 67 new discoveries, 17 have types of L6 or later. Analysis of these new discoveries shows that 16 (and possibly four more) ...

A 6U CubeSat constellation for atmospheric temperature and humidity sounding

Padmanabhan, Sharmila; Brown, Shannon; Kangaslahti, Pekka; Cofield, Richard; Russell, Damon; Stachnik, Robert; Steinkraus, Joel; Lim, Boon (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013, 2013-08-13)

We are currently developing a 118/183 GHz sensor that will enable observations of temperature and precipitation profiles over land and ocean. The 118/183 GHz system is well suited for a CubeSat deployment as ~10cm antenna ...

A 6U Hybrid Propulsion Module for CUBESATS

Karp, A.C.; Jens, E.T.; Rabinovitch, J.; Nakazono, B. (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2018, 2018-05-21)

A 6U hybrid propulsion module is presented. It is designed to be used as a stage for a 6U CubeSat with a combined wet mass up to 25 kg. Hybrid rocket propulsion is utilized because it is responsive, high performance, capable ...

A 6U hybrid propulsion module for CubeSats

Karp, Ashley; Jens, Elizabeth; Rabinovitch, Jason; Nakazono, Barry (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2018, 2018-05-21)

6U instruments for weather

Hyon, Jason (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2017, 2017-02-14)

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