The NEID port adapter at WIYN: tip-tilt control and vibration analysis

William McBride II; Jayadev Rajagopal; Jeffrey W. Percival; Erik Timmermann; Sarah E. Logsdon; Marsha J. Wolf; Mark Everett; Qian Gong; Eli Golub; Emily Hunting; Kurt Jaehnig; Jessica Klusmeyer; Dan Li; Ming Liang; Wilson Liu; Suvrath Mahadevan; Michael W. McElwain; Susan Ridgway; Heidi Schweiker; Michael P. Smith; Jesus Higuera; Fernando Santoro; Christian Schwab

doi:10.1117/12.2561777

13 December 2020 The NEID port adapter at WIYN: tip-tilt control and vibration analysis

William McBride II, Jayadev Rajagopal, Jeffrey W. Percival, Erik Timmermann, Sarah E. Logsdon, Marsha J. Wolf, Mark Everett, Qian Gong, Eli Golub, Emily Hunting, Kurt Jaehnig, Jessica Klusmeyer, Dan Li, Ming Liang, Wilson Liu, Suvrath Mahadevan, Michael W. McElwain, Susan Ridgway, Heidi Schweiker, Michael P. Smith, Jesus Higuera, Fernando Santoro, Christian Schwab

Author Affiliations +

Proceedings Volume 11447, Ground-based and Airborne Instrumentation for Astronomy VIII; 1144741 (2020) https://doi.org/10.1117/12.2561777
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Conference Poster

Abstract

The NEID extreme precision radial velocity spectrometer is being commissioned at the WIYN 3.5 meter telescope, Kitt Peak National Observatory, Tucson Arizona. In order to meet the stringent 27 cm per second radial velocity precision, the light to NEID comes from an extremely stable fiber feed, called the NEID Port Adapter, equipped with fast tip-tilt correction. The WIYN telescope vibration environment and the Port Adapter tip-tilt and guiding system are key to achieving the 50 milliarcsecond-level centroiding stability required. Here we describe the servo system performance, along with vibration analysis and mitigation plans. This work would be relevant to upgrade and retrofit efforts as older observatories incorporate low-order wavefront correction to stabilize light to advanced spectrometers and imagers.

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William McBride II, Jayadev Rajagopal, Jeffrey W. Percival, Erik Timmermann, Sarah E. Logsdon, Marsha J. Wolf, Mark Everett, Qian Gong, Eli Golub, Emily Hunting, Kurt Jaehnig, Jessica Klusmeyer, Dan Li, Ming Liang, Wilson Liu, Suvrath Mahadevan, Michael W. McElwain, Susan Ridgway, Heidi Schweiker, Michael P. Smith, Jesus Higuera, Fernando Santoro, and Christian Schwab "The NEID port adapter at WIYN: tip-tilt control and vibration analysis", Proc. SPIE 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 1144741 (13 December 2020); https://doi.org/10.1117/12.2561777

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