Properties of 3X3 fused-taper Hi-Bi optical fiber couplers and their application

Rongsheng Chen; Qin Geng Li; Qing Cai; Jianwei Guo; Guosheng Wei

doi:10.1117/12.318157

13 August 1998 Properties of 3X3 fused-taper Hi-Bi optical fiber couplers and their application

Rongsheng Chen, Qin Geng Li, Qing Cai, Jianwei Guo, Guosheng Wei

Proceedings Volume 3555, Optical and Fiber Optic Sensor Systems; (1998) https://doi.org/10.1117/12.318157
Event: Photonics China '98, 1998, Beijing, China

Abstract

As we know, 2 X 2 fused taper Hi-Bi optical fiber couplers are used in many interferometric optical fiber sensor such as FOG, Michelson optical fiber interferometer and Mach-Zehnder optical fiber interferometer. In this paper, the fabrication of 3 X 3 fused taper Hi-Bi optical fiber couplers and their properties and application are discussed. The method for identifying and aligning the birefringent axes of the fibers forming coupler are described. The insertion los of couplers we fabricated is about 1.0-1.5dB. The splitting is about 1:0:1-1:1:1. The extinction ratio is about 15-20dB. We have tested some interferometer system and give some results. The wavelength of light is 1.3micrometers .

Citation Download Citation

Rongsheng Chen, Qin Geng Li, Qing Cai, Jianwei Guo, and Guosheng Wei "Properties of 3X3 fused-taper Hi-Bi optical fiber couplers and their application", Proc. SPIE 3555, Optical and Fiber Optic Sensor Systems, (13 August 1998); https://doi.org/10.1117/12.318157

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