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Mark Halpern

Researcher at University of British Columbia

Publications -  560
Citations -  121832

Mark Halpern is an academic researcher from University of British Columbia. The author has contributed to research in topics: Cosmic microwave background & Galaxy. The author has an hindex of 126, co-authored 546 publications receiving 114409 citations. Previous affiliations of Mark Halpern include National Institute of Standards and Technology & Stanford University.

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A cryogenic rotation stage with a large clear aperture for the half-wave plates in the Spider instrument

TL;DR: In this article, the authors describe the half-wave plate rotation mechanisms built for and used in Spider, a polarization-sensitive balloon-borne telescope array that observed the cosmic microwave background at 95 GHz and 150 GHz during a stratospheric balloon flight from Antarctica in January 2015.