采用集成有检波器件的LD组件，设计了高精度的激光波长稳定系统。
An ultrahigh wavelength stabilization was designed by adopting a new integrated semiconductor LD module with a wavelength-monitor.
传统的正交相干检波器由模拟器件构成，存在较大的镜频误差。
When it is realized by using the analog devices, the conventional quadrature coherent detector may result in the large image frequency errors.
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