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Aspects of design and development of a near infrared photometer for low altitude astronomical sites a thesis submitted for the degree of doctor of philosophy (technology) in the department of applied optics and photonics, University of Calcutta Anwesh Kumar Mishra [Thesis]

By: Contributor(s): Material type: TextTextPublication details: Bangalore Indian Institute of Astrophysics 2021Description: 212pSubject(s): Online resources: Dissertation note: Doctor of Philosophy University of Calcutta 2021 Summary: In order to fill the void of observation of bright near infrared astronomical sources, we propose a Near Infrared photometer operating from a low latitude astronomical site. As part of this thesis work, design decisions defining the specifications of such a photometer is presented. InGaAs single pixel detectors and IRWG (Infrared Working Group) recommended filters are identified to be capable of achieving high signal to ratio while observing bright sources with short integration duration. Design, development and tests of various components of this photometer are discussed.
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Thesis & Dissertations Thesis & Dissertations IIA Library-Bangalore Available 20534

Doctor of Philosophy University of Calcutta 2021

In order to fill the void of observation of bright near infrared astronomical sources, we propose a Near Infrared photometer operating from a low latitude astronomical site. As part of this thesis work, design decisions defining the specifications of such a photometer is presented. InGaAs single pixel detectors and IRWG (Infrared Working Group) recommended filters are identified to be capable of achieving high signal to ratio while observing bright sources with short integration duration. Design, development and tests of various components of this photometer are discussed.

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