Dr. Jon E. Bjarnason Profile

Dr. Jon E. Bjarnason

Senior Systems Engineer at QuidelOrtho Corp

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Author

Publications (7)

Proceedings Article | 25 April 2008 Paper

Passive THz imaging system for stand-off identification of concealed objects: results from a turn-key 16 pixel imager

A. Luukanen, L. Grönberg, T. Haarnoja, P. Helistö, K. Kataja, M. Leivo, A. Rautiainen, J. Penttilä, J. Bjarnason, C. Dietlein, M. Ramirez, E. Grossman

Proceedings Volume 6948, 69480O (2008) https://doi.org/10.1117/12.784922

KEYWORDS: Sensors, Imaging systems, Terahertz radiation, Bolometers, Signal to noise ratio, Electronics, Cryogenics, Target detection, Temperature metrology, Niobium

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Proceedings Article | 18 April 2008 Paper

Imaging with modular linear arrays of cryogenic Nb microbolometers

E. Grossman, C. Dietlein, J. Bjarnason, M. Ramirez, M. Leivo, J. Penttila, P. Helisto, A. Luukanen

Proceedings Volume 6948, 694806 (2008) https://doi.org/10.1117/12.784645

KEYWORDS: Sensors, Microbolometers, Niobium, Imaging systems, Mirrors, Antennas, Scanners, Cryogenics, Optical design, Eye

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Proceedings Article | 18 April 2008 Paper

Absorption, transmission, and scattering of expanded polystyrene at millimeter-wave and terahertz frequencies

Charles Dietlein, Jon Bjarnason, Erich Grossman, Zoya Popović

Proceedings Volume 6948, 69480E (2008) https://doi.org/10.1117/12.784598

KEYWORDS: Scattering, Absorption, Reflectivity, Laser scattering, Refractive index, Signal attenuation, Bidirectional reflectance transmission function, Sensors, Reflection, Optical testing

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Proceedings Article | 15 April 2008 Paper

A quantitative study of the practical sensitivity limit of a terahertz absorption spectrometer

Jon Bjarnason, Charles Dietlein, Erich Grossman

Proceedings Volume 6949, 694908 (2008) https://doi.org/10.1117/12.784620

KEYWORDS: Protactinium, Absorption, Spectroscopy, Sensors, Neptunium, Signal attenuation, Amplifiers, Calibration, Statistical analysis

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Proceedings Article | 4 May 2007 Paper

Comparison of the THz absorption feature in lactose to related saccharides

Jon Bjarnason, Elliott Brown, Timothy Korter

Proceedings Volume 6549, 65490L (2007) https://doi.org/10.1117/12.725169

KEYWORDS: Terahertz radiation, Absorption, Scattering, Phonons, Particles, Mirrors, Dielectrics, Solid state physics, Bolometers, Crystals

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Proceedings Article | 1 May 2007 Paper

Spectral decomposition of ultra-wide-band terahertz imagery

E. Grossman, C. Dietlein, J. Chisum, A. Luukanen, J. Bjarnasson, E. Brown

Proceedings Volume 6548, 654807 (2007) https://doi.org/10.1117/12.719632

KEYWORDS: Terahertz radiation, Scattering, Microbolometers, Spatial resolution, Transmittance, Antennas, Imaging systems, Cryogenics, Black bodies, Optical filters

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Proceedings Article | 19 May 2006 Paper

High-sensitivity, quasi-optically-coupled semimetal-semiconductor detectors at 104 GHz

E. Brown, H. Kazemi, A. Young, J. Zimmerman, T. L. Wilkinson, J. Bjarnason, J. Hacker, A. Gossard

Proceedings Volume 6212, 62120S (2006) https://doi.org/10.1117/12.666473

KEYWORDS: Diodes, Antennas, Sensors, Oscillators, Waveguides, Attenuators, Calibration, Silicon, Video, Interference (communication)

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Showing 5 of 7 publications

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