Dr. Alexander Karpov Profile

Dr. Alexander Karpov

Engineer at Caltech

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 15 July 2010 Paper

CASIMIR: a high resolution far-IR/submm spectrometer for airborne astronomy

Michael Edgar, Martin Emprechtinger, Alexandre Karpov, Robert Lin, Sean Lin, Frank Maiwald, Imran Mehdi, David Miller, Simon J. Radford, Frank Rice, John Ward, Jonas Zmuidzinas

Proceedings Volume 7735, 77351V (2010) https://doi.org/10.1117/12.857706

KEYWORDS: Terahertz radiation, Spectroscopy, Telescopes, Mirrors, Astronomy, Electronics, Microwave radiation, Field programmable gate arrays, Receivers, Observatories

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Proceedings Article | 19 July 2008 Paper

CASIMIR: the Caltech airborne submillimeter interstellar medium investigations receiver

Michael Edgar, Alexandre Karpov, Sean Lin, David Miller, Simon J. E. Radford, Jonas Zmuidzinas

Proceedings Volume 7020, 702012 (2008) https://doi.org/10.1117/12.790121

KEYWORDS: Mirrors, Telescopes, Receivers, Terahertz radiation, Spectroscopy, Electronics, Observatories, Relays, Amplifiers, Heterodyning

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Proceedings Article | 6 July 2006 Paper

Development of 1.25 THz SIS mixer for Herschel Space Observatory

A. Karpov, D. Miller, F. Rice, J. Stern, B. Bumble, H. LeDuc, J. Zmuidzinas

Proceedings Volume 6275, 62751U (2006) https://doi.org/10.1117/12.684534

KEYWORDS: Receivers, Terahertz radiation, Heterodyning, Double sideband modulation, Optical testing, Absorption, Solids, Space observatories, Observatories, Spectroscopy

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Proceedings Article | 8 October 2004 Paper

Low-noise SIS mixer for far-infrared radio astronomy

Alexandre Karpov, David Miller, Frank Rice, Jeffrey Stern, Bruce Bumble, Henry LeDuc, Jonas Zmuidzinas

Proceedings Volume 5498, (2004) https://doi.org/10.1117/12.553190

KEYWORDS: Receivers, Niobium, Terahertz radiation, Beam splitters, Electrodes, Silicon, Radio astronomy, Antennas, Metals, Magnetism

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Proceedings Article | 8 October 2004 Paper

THz instrumentation for the Herschel Space Observatory's heterodyne instrument for far infrared

John Pearson, Imran Mehdi, John Ward, Frank Maiwald, Robert Ferber, Henry LeDuc, Erich Schlecht, John Gill, William Hatch, Jonathan Kawamura, Jeffrey Stern, Todd Gaier, Lorene Samoska, Sander Weinreb, Bruce Bumble, David Pukala, Hamid Javadi, Bradley Finamore, Robert Lin, Robert Dengler, James Velebir, Edward Luong, Raymond Tsang, Alejandro Peralta, Mary Wells, William Chun, Jonas Zmuidzinas, Alexandre Karpov, Thomas Phillips, David Miller, Alain Maestrini, Neal Erickson, Gerald Swift, K. Liao, Michael Paquette

Proceedings Volume 5498, (2004) https://doi.org/10.1117/12.552397

KEYWORDS: Oscillators, Amplifiers, Terahertz radiation, Receivers, Optical isolators, Heterodyning, Diodes, Far infrared, Optical amplifiers, Aerospace engineering

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Proceedings Article | 5 March 2003 Paper

Terahertz-frequency receiver instrumentation for Herschel's heterodyne instrument for far infrared (HIFI)

John Pearson, Imran Mehdi, Erich Schlecht, Frank Maiwald, Alain Maestrini, John Gill, Suzanne Martin, Dave Pukala, J. Ward, Jonathan Kawamura, William McGrath, William Hatch, Dennis Harding, Henry LeDuc, Jeffry Stern, Bruce Bumble, Lorene Samoska, Todd Gaier, Robert Ferber, David Miller, Alexandre Karpov, Jonas Zmuidzinas, Thomas Phillips, Neal Erickson, Jerry Swift, Yun Chung, Richard Lai, Huei Wang

Proceedings Volume 4850, (2003) https://doi.org/10.1117/12.461757

KEYWORDS: Amplifiers, Oscillators, Receivers, Terahertz radiation, Diodes, Heterodyning, Niobium, Field effect transistors, Cryogenics, Optical amplifiers

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Proceedings Article | 19 August 1998 Paper

EMCOR radiometer: calibration and first tests

Doris Maier, Niklaus Kaempfer, W. Amacher, M. Wuethrich, J. de la Noe, P. Ricaud, P. Baron, Gerard Beaudin, C. Viguerie, J.-R. Pardo, Juan Gallego-Puyol, Alberto Barcia, J. Cernicharo, Brian Ellison, Richard Siddans, David Matheson, Klaus Kuenzi, U. Klein, B. Franke, J. Louhi, J. Mallat, M. Gustafsson, A. Raeisaenen, Alexandre Karpov

Proceedings Volume 3503, (1998) https://doi.org/10.1117/12.319495

KEYWORDS: Calibration, Mirrors, Opacity, Dielectrics, Switches, Radiometry, Receivers, Amplifiers, Atmospheric optics, Electronic filtering

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Proceedings Article | 31 July 1998 Paper

Multibeam SIS mixer module for a focal plane array receiver

Alexandre Karpov, J. Blondel, Matthew Carter, Bernard Lazareff, D. Billon-Pierron, K. Gundlach

Proceedings Volume 3357, (1998) https://doi.org/10.1117/12.317413

KEYWORDS: Receivers, Oscillators, Radio telescopes, Single sideband modulation, Double sideband modulation, Staring arrays, Waveguides, Directional couplers, Telescopes, Polarization

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Proceedings Article | 31 July 1998 Paper

Receivers for ground-based millimeter-wave radio telescopes

Alexandre Karpov

Proceedings Volume 3357, (1998) https://doi.org/10.1117/12.317412

KEYWORDS: Receivers, Radio telescopes, Single sideband modulation, Radio astronomy, Telescopes, Extremely high frequency, Interferometers, Antennas, Atmospheric modeling, Atmospheric sensing

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Proceedings Article | 13 October 1995 Paper

Noise properties of a mixer with SIS NbN quasi-particle tunnel junctions

Alexandre Karpov, B. Plathner, K. Gundlach, Masahiro Aoyagi, S. Takada

Proceedings Volume 2558, (1995) https://doi.org/10.1117/12.224232

KEYWORDS: Receivers, Oscillators, Niobium, Temperature metrology, Resistance, Double sideband modulation, Quasiparticles, Superconductors, Liquids, Amplifiers

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Showing 5 of 10 publications

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