Mr. Thomas Alford Profile

Thomas Alford

at Univ of Chicago

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Author

Publications (8)

Proceedings Article | 17 August 2024 Poster

Development and testing of the frequency-selectable laser source (FLS) for Simons Observatory bandpass calibration

Shreya Sutariya, Kathleen Harrington, Carlos Sierra, Erin Healy, Sara Simon, Thomas Alford, Claire Lessler, Jeff McMahon

Proceedings Volume PC13102, PC1310223 (2024) https://doi.org/10.1117/12.3021145

Proceedings Article | 17 August 2024 Poster

The Simons Observatory: in-lab optical testing and validation for the first small aperture telescope

Michael Randall, Thomas Alford, Remington Gerras, JB Lloyd, Joseph Seibert, Kevin Crowley, Shannon Duff, Nicholas Galitzki, Kathleen Harrington, Johannes Hubmayr, Bradley Johnson, Brian Keating, Max Silva-Feaver, Yuhan Wang, Kaiwen Zheng

Proceedings Volume PC13102, PC131021E (2024) https://doi.org/10.1117/12.3020265

Proceedings Article | 17 August 2024 Poster

Analysis and mitigation of Fourier-transform spectrometer systematics for current and next generation cosmic microwave background telescope calibration

Thomas Alford

Proceedings Volume PC13102, PC131021P (2024) https://doi.org/10.1117/12.3020287

Proceedings Article | 29 August 2022 Poster

In-lab performance validation of the Simons Observatory Large Aperture Telescope optics tubes

Carlos Sierra, Kathleen Harrington, Tommy Alford, Grace Chesmore, Shreya Sutariya, Jeffrey McMahon

Proceedings Volume PC12190, PC121901L (2022) https://doi.org/10.1117/12.2630573

KEYWORDS: Telescopes, Observatories, Sensors, Microwave radiation, Receivers, Optical testing, Interfaces, Control systems

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Proceedings Article | 29 August 2022 Poster

Advanced ACTPol: Calibrating Fourier-Transform Spectrometer Bandpass Measurements

Thomas Alford, Rahul Datta, Shreya Sutariya, Grace Chesmore, Carlos Sierra, Kathleen Harrington, Jeffrey McMahon

Proceedings Volume PC12190, PC1219021 (2022) https://doi.org/10.1117/12.2630566

KEYWORDS: Spectroscopy, Calibration, Spectral calibration, Fourier transforms, Telescopes, Precision measurement, Optical simulations, Microwave radiation

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Proceedings Article | 29 August 2022 Poster

The Simons Observatory: Band-Pass calibration using a Frequency-tunable Laser Source (FLS)

Shreya Sutariya, Kathleen Harrington, Thomas Alford, Carlos Sierra, Grace Chesmore, Jeff McMahon, Kirit Karkare, Ryan McGeehan

Proceedings Volume PC12190, PC121901J (2022) https://doi.org/10.1117/12.2629742

KEYWORDS: Calibration, Observatories, Laser sources, Telescopes, Sensors, Microwave radiation, Fourier transforms, Terahertz radiation, Spectrometers, Spectral calibration

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Proceedings Article | 29 August 2022 Poster

The Simons Observatory: Receiver Characterization with Radio Holography

Grace Chesmore, Kathleen Harrington, Tommy Alford, Carlos Sierra, Shreya Sutariya, Jeff McMahon

Proceedings Volume PC12190, PC121901M (2022) https://doi.org/10.1117/12.2626616

KEYWORDS: Telescopes, Receivers, Observatories, Holography, Near field, Diffraction, Systems modeling, Statistical analysis, Radio propagation, Particles

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Proceedings Article | 26 August 2022 Presentation

The Simons Observatory: Characterization of absorbing Neutral Density Filters

Shreya Sutariya, Kathleen Harrington, Thomas Alford, Carlos Sierra, Jeff McMahon

Proceedings Volume PC12190, PC1219008 (2022) https://doi.org/10.1117/12.2630538

KEYWORDS: Optical filtering, Observatories, Temperature metrology, Spectroscopy, Sensors, Microwave radiation, Fourier transforms, Epoxies, Dielectrics, Cryogenics

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Showing 5 of 8 publications

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