Design and fabrication of a coherent array of single-mode optical fibers for the nulling coronagraph

Duncan T. Liu; Bruce Martine Levine; Michael Shao

doi:10.1117/12.508070

19 November 2003 Design and fabrication of a coherent array of single-mode optical fibers for the nulling coronagraph

Duncan T. Liu, Bruce Martine Levine, Michael Shao

Proceedings Volume 5170, Techniques and Instrumentation for Detection of Exoplanets; (2003) https://doi.org/10.1117/12.508070
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

We present the development of a single-mode spatial filter array for the nulling coronagraph application. The development consists of two generations of fiber array designs and a Zygo-interferometer based lens array to fiber array alignment methodology. We discuss the use of large mode field diameter (MFD) fibers to relax fiber placement tolerance of the fiber array. The pros and cons of using the Photonic Crystal Fiber (PCF) for building the array are discussed. The future plan for implementing a 1000-channel class, single-mode spatial filter array is described.

Citation Download Citation

Duncan T. Liu, Bruce Martine Levine, and Michael Shao "Design and fabrication of a coherent array of single-mode optical fibers for the nulling coronagraph", Proc. SPIE 5170, Techniques and Instrumentation for Detection of Exoplanets, (19 November 2003); https://doi.org/10.1117/12.508070

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