| 简介 |
A fiber light source (605, 705) comprises a laser pump (654, 754) configured to generate a pump laser beam at a predetermined wavelength; a first segment of rare earth doped fiber (652-1, 752-1); a second segment of rare earth doped fiber (652-2, 752-2); and an optical coupler (656, 756) coupled to a first end of the first segment and a first end of the second segment. The optical coupler (656, 756) is configured to split the pump laser beam based on a power coupling ratio. The first segment generates a first stimulated emission having a first mean wavelength sensitivity to pump laser power fluctuations and the second segment generates a second stimulated emission having a second mean wavelength sensitivity to pump laser power fluctuations such that an output (664, 764) of a combined stimulated emission from first and second stimulated emissions presents a mean wavelength which is approximately insensitive to pump laser power fluctuations. An optical fiber gyro comprising the above-described fiber light source is also disclosed. |
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