Acta Optica Sinica, Volume. 5, Issue 10, 951(1985)
Twist measurement of beat lengths of single-mode fibers
Beat lengths of single-mode fibers were measured by determining the output polarization ellipticity εc of a circularly polarized beam of light incident on the twisted single-mode fiber diode laser and a 1.34μm Nd:YAP laser were used as monochromatic light sources. The advantage of this method is that preliminary determination of the position of the major polarization axis is not needed and calculations of beat lengths become very simple.
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HUANG ZHAOMING, YAO SHOUQUAN, SHEN HONGYUAN, ZHEN RUIRONG. Twist measurement of beat lengths of single-mode fibers[J]. Acta Optica Sinica, 1985, 5(10): 951