Atmospheric seeing at the NPOI inferred from jitter data

Merrick J. DeWitt; Henrique R. Schmitt; Ty Martinez; Jordan M. Stone; Ellyn K. Baines; James H. Clark III; Bradley I. Kingsley

doi:10.1117/12.3028033

30 September 2024 Atmospheric seeing at the NPOI inferred from jitter data

Merrick J. DeWitt, Henrique R. Schmitt, Ty Martinez, Jordan M. Stone, Ellyn K. Baines, James H. Clark III, Bradley I. Kingsley

Author Affiliations +

Proceedings Volume 13135, Interferometry and Structured Light 2024; 131350C (2024) https://doi.org/10.1117/12.3028033
Event: Optical Engineering + Applications, 2024, San Diego, California, United States

Abstract

As a part of regular operations, the Navy Precision Optical Interferometer (NPOI) uses Narrow Angle Trackers (NAT) for atmospheric tip-tilt correction. This correction is done using a quad cell array for each station, and is based on the error signals measured by these arrays. The relationship between error signals and atmospheric seeing error is analyzed in detail, including modeling of quad cell behavior and optical modeling of propagation of seeing errors from receiving siderostats to quad cell displacements in the laboratory. This investigation updates a previous investigation1 and demonstrates direct mapping of atmospheric seeing to jitter error measurements. Limitations of this technique and future improvements are also discussed.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Merrick J. DeWitt, Henrique R. Schmitt, Ty Martinez, Jordan M. Stone, Ellyn K. Baines, James H. Clark III, and Bradley I. Kingsley "Atmospheric seeing at the NPOI inferred from jitter data", Proc. SPIE 13135, Interferometry and Structured Light 2024, 131350C (30 September 2024); https://doi.org/10.1117/12.3028033

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