This sensing method is termed "low coherence" or "white light" interferometry.

此传感方法可称为“低相干”或“白光”干涉测量法。

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Superluminescent diode(SLD)is an idea light source for fiber optic gyroscopes which can meet the requirements of the light source for high output power, low coherence and good stability.

光纤陀螺用光源要求输出功率高、相干性低、稳定性好。超辐射发光二极管（SLD）是能满足这些要求的理想光源。

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Fiber grating is manufactured by application of phase mask means, which is of low requirement of time coherence and monochromaticity for light-source, simple craft and high rate of finished products.

运用相位掩模法刻蚀光纤光栅，该方法对光源的时间相干性和单色性要求较低，工艺简单，成品率高。

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