The transmission curve of birefringent filter is given experimentally. Its transmission bandwidth is very narrow and all the sub-peaks are suppressed fewer than 10%.
通过实验给出了三元组合双折射滤光片的透射曲线，其透射光谱带宽较窄，次峰被抑制在10%以下。
Compared with conventional tunable acoustic-optic filters the present filter offers more narrow bandwidth and faster tuning speed.
该滤波器与通常的声光可调滤波器相比，带宽更窄，调谐速度更快。
Detecting capacity could be increased by utilizing the optical filter with bandwidth narrow enough.
采用透射带宽足够窄的滤光器，可有效提高系统的探测能力。
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