It is noteworthy that the wavelength of the fiber Bragg grating would be tuned via only a phase mask in a phase mask interferometer.
值得注意的是在相位干涉法中,只用一块相位模板,就可以调整写入光纤布拉格光栅的波长。
Using only one optic element, the phase mask provides a robust and inherently stable method for reproducing fiber Bragg gratings, and reduces the complexity of the fiber grating fabrication system.
由于相位模板法仅使用一个光学器件,因而减少了光纤光栅制造系统的复杂性,是光纤布拉格光栅写入法中最有前途、使用最广泛并且具有本征稳定性的一种方法。
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