Side-Coupled Asymmetric Plastic Optical Fiber Coupler for Optical Sensor Systems

다국어 초록 (Multilingual Abstract)

This paper reports a side-coupled asymmetric 1×2 plastic optical fiber coupler for an optical sensor system. The dependence of the optical power coupling ratio on the coupling angle and refractive index of the adhesion layer in both the forward and backward directions was examined based on the geometrical optics. It was confirmed experimentally that the coupling ratios can be optimized by controlling the coupling angle and refractive index of the adhesion layer. A maximum forward coupling efficiency > 93% was achieved.

참고문헌 (Reference)

1 P. Ou, "Studies of pump light leakage out of couplers for multi-coupler side-pumped Yb-doped double-clad fiber lasers" 239 (239): 421-428, 2004

2 K. Imoto, "Plastic optical fiber star coupler" 25 (25): 3443-3447, 1986

3 Dae-Geun Kim, "Fabrication and characteristics of plastic optical fiber directional couplers" 한국광학회 9 (9): 99-102, 2005

4 J. Zubia, "Design and characterization of a plastic optical fiber active coupler" 10 (10): 1578-1580, 1998

5 P. Ou, "Coupling efficiency of angle-polished method for side-pumping technology" 43 (43): 816-821, 2004

6 J. Xu, "A non-fused fiber coupler for side-pumping of double- clad fiber lasers" 220 (220): 398-395, 2003

7 C. Yang, "1×7 plastic optical fiber coupler using cylindrical mixing rod" 4603 : 183-187, 2001