Bradley R Johnson

8PUBLICATIONS
70CO-AUTHORS
Mesospheric, thermospheric, ionospheric and magnetospheric physicsPhotonics, optoelectronics and optical communicationsSolar system planetary science (excl. planetary geology)Instruments and techniquesElectrical energy generation (incl. renewables, excl. photovoltaics)
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Journal

Publications (8)

|Aug 28, 2025
The Simons Observatory: Large diameter and large load-capacity superconducting magnetic bearing for a millimeter-wave polarization modulator.

Daichi Sasaki, Junna Sugiyama, Kyohei Yamada

|Mar 19, 2025
A millimeter-wave photometric camera for long-range imaging through optical obscurants using kinetic inductance detectors.

J Sayers, D Cunnane, S Crystian

|Jan 17, 2025
Erratum: "The Simons Observatory: Cryogenic half wave plate rotation mechanism for the small aperture telescopes" [Rev. Sci. Instrum. 95, 024504 (2024)].

K Yamada, B Bixler, Y Sakurai

|Dec 09, 2024
The Simons Observatory: Production-Level Fabrication of the Mid- and Ultra-High-Frequency Wafers.

Shannon M Duff, Jason Austermann, James A Beall

|Feb 22, 2024
The Simons Observatory: Cryogenic half wave plate rotation mechanism for the small aperture telescopes.

K Yamada, B Bixler, Y Sakurai

|Dec 18, 2023
The Simons Observatory: A fully remote controlled calibration system with a sparse wire grid for cosmic microwave background telescopes.

Masaaki Murata, Hironobu Nakata, Kengo Iijima

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Frequent Collaborators

4 joint publications

Kyohei Yamada

4 joint publications

Kam Arnold

4 joint publications

Akito Kusaka

4 joint publications

Nicholas Galitzki