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利用 Ga As/Al Ga As分布反馈 Bragg反射镜在 Ga As衬底上制作了一个微机械的调谐滤波器 .该器件在 7V调谐电压下调谐范围达 2 8nm.
A GaAs / AlGaAs distributed feedback Bragg reflector was used to fabricate a micromechanical tuning filter on a Ga As substrate with tuning range up to 28 nm at 7V tuning voltage.