Senior Theses

Publication Date

5-18-2016

Document Type

Thesis (Linfield Access)

Degree Name

Bachelor of Science in Physics

Department

Physics

Faculty Advisor(s)

Joelle Murray (Thesis Advisor)
Jennifer Heath & Michael Crosser (Committee Members)

Subject Categories

Astrophysics and Astronomy | Instrumentation | Optics | Physics | Stars, Interstellar Medium and the Galaxy | Systems Engineering and Multidisciplinary Design Optimization

Abstract

As light enters the Earth’s atmosphere it experiences refraction as it changes medium from vacuum to air. The wavelength dependency of this refraction causes dispersion as different wavelengths of light bend differently. In order to create clear images despite the dispersion effects of the Earth’s atmosphere, new imaging techniques must be developed. iLOCATER is a new diffraction limiting, planet-finding spectrograph being designed and built at the University of Notre Dame for use on the Large Binocular Telescope (LBT) in Arizona. To correct for the dispersion from the atmosphere, an atmospheric dispersion corrector (ADC) using two rotating singlet prisms has been designed and tested. This paper discusses the tests of the ADC and verifies its operation on a test system.

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