University of Minnesota
School of Physics & Astronomy
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Jeffrey Klein

jklein @ physics.umn.edu

About My Work

I am currently working on analyzing calibration data from the E and B EXperiment (EBEX). EBEX. EBEX is a balloon-borne polarimeter designed to measure the polarization of the Cosmic Microwave Background (CMB). By making this measurment, we hope to gain insight into the earliest history of the universe.

Selected Publications

Klein, Jeffrey, Torque Performance and Lifetime of MoS2 Dry-Lubricated Miniature Ball Bearings at Cryogenic Temperatures, In progress.

Milligan, Michael et. al., Software systems for operation, control, and monitoring of the EBEX instrument, Proceedings of SPIE - The International Society for Optical Engineering, v 7020, 2008, Millimeter and Submillimeter Detectors and Instrumentation for Astronomy IV

Klein, Jeffrey, Polarization calibration of the EBEX instrument, In progress.

Klein, Jeffrey et. al., A cryogenic half-wave plate polarimeter using a superconducting magnetic bearing, Proceedings of SPIE - The International Society for Optical Engineering, v 8150, 2011, Cryogenic Optical Systems and Instruments XIII

Aubin, Fran├žois et. al., First implementation of TES bolometer arrays with SQUID-based multiplexed readout on a balloon-borne platform, Proceedings of SPIE - The International Society for Optical Engineering, v 7741, 2010, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V

Reichborn-Kjennerud, Britt, et. al., EBEX: A balloon-borne CMB polarization experiment, Proceedings of SPIE - The International Society for Optical Engineering, v 7741, 2010, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V

Education

B.S., Cornell College, Mt. Vernon, IA