The Large Fiber Array Spectroscopic Telescope: prime focus corrector optics

Andy Monson; Joel Berkson; Chad Bender; Roger Angel; Peter Gray; Kevin Gilliam; Christian Schwab

doi:10.1117/12.3020341

11 September 2024 The Large Fiber Array Spectroscopic Telescope: prime focus corrector optics

Andy Monson, Joel Berkson, Chad Bender, Roger Angel, Peter Gray, Kevin Gilliam, Christian Schwab

Author Affiliations +

Proceedings Volume 13094, Ground-based and Airborne Telescopes X; 130944O (2024) https://doi.org/10.1117/12.3020341
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

The Large Fiber Array Spectroscopic Telescope (LFAST) is designed to be a cost-efficient way to provide a large collecting area for spectroscopy by duplicating large numbers of small (0.76m f/3.33) spherical mirror ‘unit’ telescopes. Each telescope is equipped with a prime focus corrector (PFC) feeding a guider and an optical fiber; and all the fiber optics will feed into a large spectrograph. The design of the PFC is driven by the need to minimize costs while achieving acceptable performance. We are currently constructing a prototype 20-unit system for testing in the second half of 2024. For this 20-unit system we have begun coordinating with industry about scaling for mass fabrication. In this paper we will present status updates from the performance of this early version of the prime focus corrector.

Citation Download Citation

Andy Monson, Joel Berkson, Chad Bender, Roger Angel, Peter Gray, Kevin Gilliam, and Christian Schwab "The Large Fiber Array Spectroscopic Telescope: prime focus corrector optics", Proc. SPIE 13094, Ground-based and Airborne Telescopes X, 130944O (11 September 2024); https://doi.org/10.1117/12.3020341

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

;

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE