Fiber-optic analogs of bulk-optic wave plates.
Fiber-optic analogs of bulk-optic wave plates.
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DOI：
10.1364/ao.36.004241
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发表时间：
1997-06
期刊：
影响因子：
1.9
通讯作者：
H. Huang
中科院分区：
文献类型：
--
作者：
H. Huang
作者发现了一种不寻常的光纤元件，它只是一种自旋速率从快到零或从零到快变化的双折射光纤。这种新型的纤维元件可以很容易地由现有的制造技术制成，结构参数的公差相当宽松。分析理论预测，这种非均匀光纤元件可以用作体光学四分之一波片，但具有固有宽带的优点。实验结果证实了理论预测。利用这种四分之一波片的光纤模拟物作为构建块，宽带半波片和全波片同样可以以双旋双折射光纤的形式制成。
The author's discovery of an unusual fiber element that is simply a variably spun birefringent fiber with a spin rate that varies from fast to zero or vice versa is revealed. The novel fiber element can be readily made by the existing fabrication technique, with fairly loose tolerances of the structural parameters. Analytic theory predicts that such a nonuniform fiber element can function as a bulk-optic quarter-wave plate, but with the advantage of being inherently wide band. Experimental evidence confirms the theoretical prediction. With such a fiber-optic analog of a quarter-wave plate as a building block, wide-band half-wave plates and full wave plates can likewise be made in the form of variably spun birefringent fibers.