单模光纤的偏振和磁光特性

Polarization and magnetooptic properties of single-mode optical fiber.

作者信息

Smith A M

出版信息

Appl Opt. 1978 Jan 1;17(1):52-6. doi: 10.1364/AO.17.000052.

DOI:10.1364/AO.17.000052

PMID:20174351

Abstract

The polarization and magnetooptic properties of a sample of single-mode optical fiber have been investigated. The fiber acts as a linear retarder, and the degree of retardation is dependent on the external pressure applied to the fiber. The stress optic coefficient is found to be 8.72 x 10(-10) N(-1) m(2). The direction of linear polarization is rotated when a longitudinal magnetic field is applied to the fiber (Faraday effect). The Verdet constant is 1.56 x 10(-2) min A(-1). The intrinsic specific linear retardation of the fiber is found to be less than 0.44 rad m(-1) from the magnetooptic measurements. The fiber has been used in an experimental current measurement device.

摘要

对单模光纤样品的偏振和磁光特性进行了研究。该光纤起线性延迟器的作用，延迟程度取决于施加在光纤上的外部压力。发现应力光学系数为8.72×10⁻¹⁰ N⁻¹ m²。当对光纤施加纵向磁场时，线性偏振方向会发生旋转（法拉第效应）。费尔德常数为1.56×10⁻² min A⁻¹。通过磁光测量发现该光纤的固有比线性延迟小于0.44 rad m⁻¹。该光纤已用于实验性电流测量装置中。