Simulation and Analysis of Telescopic Photonic Beam Combiner for Stellar Interferometry in Labview
Simarpreet Kaur1, Mohit Srivastava2, Kamaljit Singh Bhatia3

1Simarpreet Kaur, research scholar, Department of Electronics and Communication Engineering, Department at IKG Punjab Technical University, Jalandhar (Punjab), India.

2Dr. Mohit Srivastava, Department of Electronics and Communication Engineering and R&D Dean at Chandigarh Engineering College, Landran, Mohali (Punjab), India.

3Kamaljit Singh Bhatia, Associate Professor, Department of Engineering & Technology,  Pauri Garhwal, Uttrakhand, India.

Manuscript received on 20 August 2019 | Revised Manuscript received on 27 August 2019 | Manuscript Published on 26 August 2019 | PP: 230-236 | Volume-8 Issue-9S August 2019 | Retrieval Number: I10360789S19/19©BEIESP | DOI: 10.35940/ijitee.I1036.0789S19

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Abstract: The optical methods are the sensitive and subtle techniques of conducting optical investigations without any physical contact. They are both accurate and fast at the same time which provides an ease of having multiple observations. The need of optical interferometry has been increased at a very quick pace due to its high range of applications, from surface testing to locating of extra-solar planets in the universe. Optical Interferometry is a process or technique of combining light from various telescopes for calculating the angular resolution. The technique of optical interferometry helps astronomers for achieving a high angular resolution, that is not possible with the conventional telescopes. Optical approaches are the best approaches for non-contact evaluations, and these are accurate and fast. Due to optical nature of the interferometry, this process is used in various fields, and today it has become one of the important areas of research. Integrated Optics (IO) beam combiners are an efficient and compact technology to combine light interferometrically collected by multiple telescopes. IO beam combiner is based on the modal filtering properties of waveguides or fibers, and it improves thermo-mechanical stability, because of the characteristic rigidity of IO component substrate. Other advantages of this technology are miniaturization and non-existence of alignment needs. Several IO beam combiners are being proposed and tested nowadays. The purpose of this paper is to investigate different techniques used to develop interferometric instrument from previous researches and to simulate the technique suggested by Ermann in Labview.

Keywords: Beam Combiner, Condition Number, Integrated Optics Optical Interferometry, Stellar Interferometer, and Visibility To Pixel Matrix.
Scope of the Article: Analysis of Algorithms and Computational Complexity