通过求解耦合方程，得出了更严格的、与实验结果相符的布拉格波长表达式。
When the new coupled-mode equations are solved, a more accurate result of the Bragg wavelength is obtained, which is coincided with experimental result.
偏振光干涉仪也是一种能将布拉格波长移动转化为干涉相位变化的非平衡干涉仪。
The polarized light interferometer is also a kind of unbalanced interferometer which can convert the Bragg wavelength shifts into interferometer phase shifts.
介绍了光纤光栅传感器中测量布拉格波长移动量的几种方法的研究现状和存在问题，并指出其未来发展前景。
We introduce the present research status and related issues in measuring Bragg wavelength in fiber grating sensors and point out its development prospect.
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