Yu Qinrong, Bao Xiaoyi, Chen Liang
Fiber Optics Group, Department of Physics, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada.
Opt Lett. 2004 Jan 1;29(1):17-9. doi: 10.1364/ol.29.000017.
We report a study of the temperature dependence of the Brillouin gain and loss for three different kinds of commercial polarization-maintaining fibers for the first time to our knowledge. The Brillouin frequency differences between the fast and slow axes are independent of the temperature, varying between 2.9 and 4.3 MHz. Using 2-ns pulses (equivalent to a spatial resolution of 20 cm), we find that the temperature coefficients for the relative Brillouin power at a wavelength of 1310 nm are 0.26%/degrees C (panda fiber), 0.23%/degrees C (bow-tie fiber), and 0.04%/degrees C (tiger fiber); the temperature coefficients for the Brillouin frequency are 1.37 MHz/degrees C (panda), 1.66 MHz/degrees C (tiger), and 2.30 MHz/degrees C (bow-tie). The temperature coefficients for the Brillouin gain bandwidth are 0.15 MHz/degrees C (panda), 0.20 MHz/degrees C (bow-tie), and 0.22 MHz/degrees C (tiger).
据我们所知，我们首次对三种不同类型的商用保偏光纤的布里渊增益和损耗与温度的关系进行了研究。快慢轴之间的布里渊频率差与温度无关，在2.9至4.3兆赫兹之间变化。使用2纳秒脉冲（相当于20厘米的空间分辨率），我们发现，在1310纳米波长下，熊猫型光纤、蝴蝶结型光纤和老虎型光纤的相对布里渊功率的温度系数分别为0.26%/摄氏度、0.23%/摄氏度和0.04%/摄氏度；布里渊频率的温度系数分别为1.37兆赫兹/摄氏度（熊猫型）、1.66兆赫兹/摄氏度（老虎型）和2.30兆赫兹/摄氏度（蝴蝶结型）。布里渊增益带宽的温度系数分别为0.15兆赫兹/摄氏度（熊猫型）、0.20兆赫兹/摄氏度（蝴蝶结型）和0.22兆赫兹/摄氏度（老虎型）。
