Te-Wei Tsai

ORCID: 0009-0007-5732-4160
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About
Contact & Profiles
Research Areas
  • Astronomy and Astrophysical Research
  • Adaptive optics and wavefront sensing
  • Astronomical Observations and Instrumentation
  • Stellar, planetary, and galactic studies
  • Advanced optical system design

Vera C. Rubin Observatory
2022-2024

The Vera C. Rubin Observatory will, over a period of 10 years, repeatedly survey the southern sky. To ensure that images generated by meet quality requirements for precision science, observatory will use an Active Optics System (AOS) to correct alignment and mirror surface perturbations introduced gravity temperature gradients in optical system. accomplish this out-of-focus from sensors located at edge focal plane learn wavefront. We have designed integrated deep learning model wavefront...

10.3847/1538-3881/ad1661 article EN cc-by The Astronomical Journal 2024-01-31

The Vera C. Rubin Observatory is an astronomical survey facility nearing completion in Chile. Its mission to accomplish the 10-year Legacy Survey of space and Time (LSST) - a 6-color optical imaging southern sky. science for LSST resulted demanding requirements performance system dynamics. Producing Telescope meeting these multiple technical challenges which were encountered resolved during design construction project. Resolving has impacted assembly integration overall system. Analyses...

10.1117/12.3018152 article EN 2024-08-26

The M2 secondary mirror of the Vera C. Rubin Observatory, scheduled to be commissioned on-sky in 2024, will first active 3.5m diameter operation. Its substantial dimensions and advanced functionalities place it league with mirrors upcoming 30m class telescopes. Characterizing its performance serves as a critical step towards comprehending controlling optics next generation Extremely Large Telescopes (ELTs). This study focuses on testing validating cell Observatory's integration hall at...

10.1117/12.3019210 article EN 2024-08-28

The Rubin Observatory's Simonyi Survey Telescope M1M3 is a lightweight honeycomb 8.4 meter Ohara E- 6 borosilicate glass mirror, cast by the University of Arizona (UofA) Mirror Lab. It combines primary and tertiary mirror surfaces, hence its acronym. Its control software might be referenced as 3rd generation UofA active system - after Multiple Telescope's (MMT) Large Binocular (LBTO). uses combination LabVIEW Field Programmable Gate Array (FPGA),1 C++ ("back office"), Python/Web (Graphical...

10.1117/12.2629784 article EN 2022-08-29
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