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本文结合实验测量给出了光纤输出光强高斯分布的具体表达式I_((?)z)=[A_0/(1+kz)~2]·exp[-2r~2/(1+kz)~2],并相应建立了光纤束反射收集光强灵敏度曲线I_(反(z))-Z 的最佳计算模式,理论计算与实测的I_(反(z))-Z 相一致。在此基础上制作了静水压及声压传感器,其实验结果与计算相符合,再次表明光纤束设计理论的普遍适用性。
In this paper, we give the concrete expression of the Gaussian distribution of the output light intensity of the optical fiber with the experimental measurements. I _ ((?) Z) = [A_0 / (1 + kz) ~ 2] exp [-2r ~ 2 / (1 + kz) 2], and the optimal calculation mode of I_ (anti) (z) - Z for the optical intensity of optical fiber bundle is established. The theoretical calculation is consistent with the measured I_ (anti) (z) On this basis, hydrostatic and acoustic pressure sensors were fabricated. The experimental results are consistent with the calculation, which shows once again the universality of fiber bundle design theory.