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Cryogenic Operation of GaAs Based Multiplier Chains

Mehdi, I.; Maestrini, A.; Pukala, D.; Bruston, J.; Chattopadhyay, G.; Schlecht, E.; Maiwald, F.; Martin, S. (2000-05-01)

Cryogenic operation of GaAs based multiplier chains to 400 GHz

Maestrini, A.; Pukala, D.; Maiwald, F.; Schlecht, E.; Chattopadhyay, G.; Mehdi, I. (2000-09-28)

The FIRST/HIFI mission allows for the local oscillator frequency multiplier chains to be cooled to 120 - 150 K in order to increase available output power. This paper will discuss the implication of cooling on GaAs based ...

Cryogenic Operation of GaAs Based Multiplier Chains to 400 GHz

Mehdi, I.; Maestrini, A.; Pukala, D.; Chattopadhyay, G.; Bruston, J.; Schlecht, E.; Maiwald, F.; Martin, S.; Samoska, L.; Mehdi, I. (2000-09-28)

A cryogenic platform for space borne instruments with nanokelvin stability

Holmes, W.; Bamford, R.; Chui, T. C. P.; Craig, J.; Elliott, S.; Galloway, S.; Gannon, J.; Rentz, P.; Thomassen, J. (2001-07-16)

We describe the design and test of a modular probe structure to allow nK control of <8 kg space borne instruments operated at liquid helium temperatures for the Low Temperature Microgravity Physics Program.

Cryogenic propulsion with zero boil-off storage applied to outer planetary exploration

Guernsey, Carl S.; Baker, Raymond S.; Plachta, David; Kittel, Peter (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2005., 2005-07)

This paper describes a study of the potential application of cryogenic propulsion systems using liquid oxygen and hydrogen propellants to planetary spacecraft.

Cryogenic system design for a hydrogen sorption cooler

Sirbi, A.; Bowman, R. C.; Wade, L. A.; Barber, D. S. (2000-11-21)

For several future space applications, long life vibration free collers are needed to cover the temperature range from 60K to about 4K. We describe the development of a novel cryogenic system capable of reaching 18K in ...

Cryogenic system design for a hydrogen sorption cooler

Wade, L. A.; Sirbi, A.; Bowman, R. C.; Barber, D. S. (2002-07-16)

This paper presents the cryogenic design of Hydrogen Sorption Cooler, part of cryogenic chain in the Planck Mission (ESA).

Cryogenic testing of Planck sorption cooler test facility

Zhang, B.; Pearson, D.; Borders, J.; Franklin, B.; Prina, M.; Hardy, J.; Crumb, D. (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2004., 2004-03)

A test facility has been upgraded in preparation for testing of two hydrogen sorption cryocoolers operating at 18/20 K. these sorption coolers are currently under development at the Jet Propulsion Laboratory. This work ...

Cryogenic W band power-combined amplifier designs for applications in the range of 71 to 106 GHz

Ferber, R. R.; Pearson, J. C.; Gaier, T. C.; Samoska, L. A.; Swift, G.; Yocom, P.; Liao, K. T. (2003-05-21)

Cryogenic W band power-combined amplifier designs for applications in the range of 71 to 106 GHz

Ferber, R. R.; Pearson, J. C.; Gaier, T. C.; Samoska, L. A.; Swift, G.; Yocom, P.; Liao, K. T. (2003-05-21)

This paper summarizes the development of W band amplifiers for the Local Oscillator (LO) chains for the Herschel HIFI (Heterodyne Instrument for Far Infrared) Instrument.

Cryogenic, X-band and Ka-band InP HEMT based LNAs for the Deep Space Network

Bautista, J. J.; Bowen, J. G.; Fernandez, J. E.; Fujiwara, B.; Loreman, J.; Petty, S.; Prater, J. L. (2000-12-13)

This paper presents an overview of this development process with emphasis on comparison between modeled and measured, LNA modules, front-end receiver packages employing these modules, and antennae employing these packages.

Cryoscout : a descent through the Mars polar cap

Hecht, Michael H.; Saunders, R. S. (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003, 2003-10-13)

Recent discoveries on Mars -- from the numerous gullies seen by Mars Global Surveyor (MGS) to the vast expanses of near-surface ice seen by Odyssey -- draw attention to the importance of a modern hydrological cycle and the ...

Cryovolcanism in Icy Ocean Worlds: Perspective from Models of Radial Structure

Vance, Steven D.; Malaska, Michael J.; Glein, Christopher (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2019, 2019-07-28)

Cryovolcano model and autonomy challenges

Ono, Masahiro; Mitchell, Karl; Parcheta, Carolyn (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016, 2016-06-23)

Crystal structures and infrared spectra of two Fe-bearing hydrous magnesium silicates synthesized at high temperature and pressure

Yang, H.; Prewitt, C. T.; Liu, Z. (2002)

The synthesis and characterization of Fe-bearing phase E and phase E' demonstrate that the phase E-type structures can be rather compliant and complex, and that as we further explore the temperature-pressure-composition ...

Crystallgraphic Texture Analysis Using Thermal Expansion Measurements on Polycrystalline TbxDy 1-x

Dooley, J.; Fultz, B.; Chave, R.; Good, N.; Graetz, J. (1999-11-15)

Crystalline Li***sub3***PO***sub4***/SiO***sub4*** solid solutions as an electrolyte for film batteries using sputtered cathode layers

Whitacre, J. F.; West, W. C. (2003-06-26)

Crystalline solid solutions of 1:1 Li3PO4/SiO4 were synthesized and tested electrochemically using thin film, physical vapor deposited electrodes. After cathode deposition, the electrolyte/cathode structures were annealed ...

Crystallization History of the 1984 Mauna Loa Lava Flow

Crisp, J.; Cashman, K. V. (1993-12)

Crystallization History of the 1984 Mauna Loa Lava Flow

Crisp, J.; Cashman, K.; Bonini, J.; Hougen, S.; Pieri, D. (1993)

This paper presents results of an examination of the crystallization history of vent lavas using crystal-size distribution (CSD) analysis to study the rates of crystallization, viscosity increase, and latent heating. ...

Crystallographic Study of LaNi***sub5-x***SN***subx*** (0.2,x,0.5) Compounds and Theri Hydrides

Roubert, J. M.; Latroche, M.; Cerny, R.; Bowman, R.; Percheron-Guegan, A.; Yvon, K. (1999-02)

The structural properties of tin substituted LaNi5 compounds and corresponding deuteries have been investigated by single crystal X-ray and neutron power diffraction.

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