[2] Carrara S L A,Kim B Y,Shaw H J.Elasto-optic alinment of birefringent axes in polarization-holdig optical fiber.Optics Letters,1986,11(7):470~472
[3] Takada K,Noda J,Ulrich R.Precision measurement of modal birefringence of highly fibers by periodic lateral force.Applied Optics,1985,24(15):2979~2987
[4] Zheng Wenxin.Auto-aligning and splicing PM-fibers of different types with a passive method.Fiber Optic Gyros:20th Anniversary Conference 1996,SPIE,2837:356~376