光纤传感测量中耦合系统的设计（英文）
|
摘要
根据光纤传感测量中光源的选取原则,将半导体激光器作为光纤传感器的光源并选取单模光纤作为尾纤,基于光学设计软件Zemax纯非序列光学系统,设计了一种半导体激光器与单模光纤的耦合系统。通过分析半导体激光器的光束特性及半导体激光器与单模光纤的耦合模场理论,由一个球透镜和一个准直透镜构成组合透镜耦合方式,达到提高耦合效率和容忍度的目的。设计时在非序列光学系统下进行了百万次光线追迹,仿真得到所设计系统的耦合效率为78%左右,而实验测试结果为69.11%,由此对误差产生的原因进行了分析。
According to the principle of choosing the light source in the fiber optic sensing measurement, semiconductor laser is used as the light source of fiber optic sensor and single-mode fiber is used as the tail fiber of light source. Based on optical design software Zemax's pure non-sequential components, a coupling system of semiconductor laser and single-mode fiber is designed. By analyzing the beam characteristics of the semiconductor laser and the coupled mode theory of semiconductor laser and single-mode fiber, the combined lens consists of a ball lens and a collimating lens for the purpose of improving the coupling efficiency and adjusting tolerance. The simulation results show that the coupling efficiency can reach about 78% by using one million ray traces on non-sequential components, while the experimental test result is 69.11%, accordingly, the reasons for the difference between the experiment and the simulation results are analyzed.
According to the principle of choosing the light source in the fiber optic sensing measurement, semiconductor laser is used as the light source of fiber optic sensor and single-mode fiber is used as the tail fiber of light source. Based on optical design software Zemax's pure non-sequential components, a coupling system of semiconductor laser and single-mode fiber is designed. By analyzing the beam characteristics of the semiconductor laser and the coupled mode theory of semiconductor laser and single-mode fiber, the combined lens consists of a ball lens and a collimating lens for the purpose of improving the coupling efficiency and adjusting tolerance. The simulation results show that the coupling efficiency can reach about 78% by using one million ray traces on non-sequential components, while the experimental test result is 69.11%, accordingly, the reasons for the difference between the experiment and the simulation results are analyzed.
引文
[1] Fang H, Qin X, Pei L, et al. Selection and comparison of light sources in optical fiber sensor. Sensor World, 2004, (11): 13-17.
[2] Wang L J, Ning Y Q, Qin L, et al. Development of high power diode laser. Chinese Journal of Luminescence, 2015, 36(1): 1-19.
[3] Wang X. Coupling technology of LD and optical fiber. Electro-optic Technology Application, 2010, 25(3): 26-32.
[4] Ning C C, Chen T L, Suo L S M, et al. High power fiber coupled diode laser system. Laser & Infrared, 2007, 37(10): 1041-1043.
[5] Shi K R, Zhu C Q. Design of the coupling system between laser and multimode optical fiber based on Zemax. Optical Communication Technology, 2016, 40(5): 43-45.
[6] Cui B F, Li S, Kong Z Z, et al. Stable coupling efficiency of semiconductor lasers with groove structure. Chinese Journal of Luminescence, 2017, 38(5): 637-642.
[7] Wang H L, Zhang D Y. Design of coupling system between fibers and laser diodes based on Zemax. Acta Photonica Sinica, 2011, 40(S1): 81-84.
[8] Liu C Q, Li C W, Cao W, et al. Analysis of the ball lens coupling efficiency between laser diode and single-mode fiber. In: Proceedings of a fiber optic communications and the 12th Integrated Optical Conference(OFCIO’2003), Nanjing, 2003: 791-793.
[9] Lu S Q, Zheng Y, Deng G L, et al. Comparative investigation of spherical lensed fiber and cylindrical lensed fiber for coupling to laser diode. Journal of Central South University(Science and Technology), 2014, 45(1): 9-13 71-76.
[10] Yu H Y, Wang M, Liu Y D, et al. Research on LD coupled to the wedge-shaped cylindrical lensed fiber. Journal of Shandong Jianzhu University, 2015, 30(6): 527-531+543.
[11] Shi K R, Zhu C Q. Design of composite lens system for coupling between semiconductor Laser and optical fiber. Electro-Optic Technology Application, 2016, 31(3): 17-19.
[12] Lv H, Liu A M. Research on coupling efficiencies of ball lenses. Optics and Precision Engineering, 2006, 14(3): 386-390.
[13] Fadhali M, Saktioto J, Zainal J, et al. Analysis of efficiency and misalignment tolerances in laser diode pigtailing using single ball lens. Journal of Applied Sciences Research, 2007, 3(12): 1-10.
[14] Marcuse D. Loss analysis of single-mode fiber splices. The Bell System Technical Journal, 1977, 56(5): 703-718.
[15] John J, Maclean T S M, Ghafouri-Shiraz H, et al. In: IEE Proceedings, Optoelectronics. 1977, (141): 178-184.
[16] Lu B D. Laser Optics. 2nd edition. Sichuan University Press, 1992.
[2] Wang L J, Ning Y Q, Qin L, et al. Development of high power diode laser. Chinese Journal of Luminescence, 2015, 36(1): 1-19.
[3] Wang X. Coupling technology of LD and optical fiber. Electro-optic Technology Application, 2010, 25(3): 26-32.
[4] Ning C C, Chen T L, Suo L S M, et al. High power fiber coupled diode laser system. Laser & Infrared, 2007, 37(10): 1041-1043.
[5] Shi K R, Zhu C Q. Design of the coupling system between laser and multimode optical fiber based on Zemax. Optical Communication Technology, 2016, 40(5): 43-45.
[6] Cui B F, Li S, Kong Z Z, et al. Stable coupling efficiency of semiconductor lasers with groove structure. Chinese Journal of Luminescence, 2017, 38(5): 637-642.
[7] Wang H L, Zhang D Y. Design of coupling system between fibers and laser diodes based on Zemax. Acta Photonica Sinica, 2011, 40(S1): 81-84.
[8] Liu C Q, Li C W, Cao W, et al. Analysis of the ball lens coupling efficiency between laser diode and single-mode fiber. In: Proceedings of a fiber optic communications and the 12th Integrated Optical Conference(OFCIO’2003), Nanjing, 2003: 791-793.
[9] Lu S Q, Zheng Y, Deng G L, et al. Comparative investigation of spherical lensed fiber and cylindrical lensed fiber for coupling to laser diode. Journal of Central South University(Science and Technology), 2014, 45(1): 9-13 71-76.
[10] Yu H Y, Wang M, Liu Y D, et al. Research on LD coupled to the wedge-shaped cylindrical lensed fiber. Journal of Shandong Jianzhu University, 2015, 30(6): 527-531+543.
[11] Shi K R, Zhu C Q. Design of composite lens system for coupling between semiconductor Laser and optical fiber. Electro-Optic Technology Application, 2016, 31(3): 17-19.
[12] Lv H, Liu A M. Research on coupling efficiencies of ball lenses. Optics and Precision Engineering, 2006, 14(3): 386-390.
[13] Fadhali M, Saktioto J, Zainal J, et al. Analysis of efficiency and misalignment tolerances in laser diode pigtailing using single ball lens. Journal of Applied Sciences Research, 2007, 3(12): 1-10.
[14] Marcuse D. Loss analysis of single-mode fiber splices. The Bell System Technical Journal, 1977, 56(5): 703-718.
[15] John J, Maclean T S M, Ghafouri-Shiraz H, et al. In: IEE Proceedings, Optoelectronics. 1977, (141): 178-184.
[16] Lu B D. Laser Optics. 2nd edition. Sichuan University Press, 1992.