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光器件
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    The two technologies are applied to stabilize the performance of closed-loop digital laser fiber optic gyro (FOG) under the temperature from -40 to 65 ℃, one is the laser light control to keep optical power and wavelength unchanged, the other is the compensation for the integrated optic chip.
    为使全数字闭环光纤陀螺在全温度(-40~+65℃)范围内的性能保持一致,采用了控制光源以稳定光功率和波长,以及对集成光器件进行温度补偿两种技术措施。
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On line manufacturing technique is used in onefiber fiber optical gyroscope (FOG). In this method, only one fiber is used to form all optical components, so that optic connection between components is without splicing, and performances of each component can be controlled in process. After the analysis of the structure of FOG, the optical model of openloop FOG is built, and the error is analyzed. Finally, it points out that the scheme of onefiber FOG is lowcost, high reliability and easy engineering realization....

On line manufacturing technique is used in onefiber fiber optical gyroscope (FOG). In this method, only one fiber is used to form all optical components, so that optic connection between components is without splicing, and performances of each component can be controlled in process. After the analysis of the structure of FOG, the optical model of openloop FOG is built, and the error is analyzed. Finally, it points out that the scheme of onefiber FOG is lowcost, high reliability and easy engineering realization.

单光纤光纤陀螺采用的是单光纤在线制作技术。由于这种方法是把所有的光器件都放在一根光纤上制作,因此各光器件的连接处没有融接点,并且光器件的性能可在线控制。在分析其结构的基础上建立了开环FOG的光学模型,并进行了误差分析。指出了单光纤光纤陀螺方案是低成本、高可靠性、易于工程化的一种方案。

The two technologies are applied to stabilize the performance of closed-loop digital laser fiber optic gyro (FOG) under the temperature from -40 to 65 ℃, one is the laser light control to keep optical power and wavelength unchanged, the other is the compensation for the integrated optic chip. The experiment result is showed that the temperature sensitivities of scale factor and zero drift in the fiber optic gyro designed are 2×10~(-5) 1/℃ and 0.00 8 (°)/(h·℃) respectively in all temperature range, which has...

The two technologies are applied to stabilize the performance of closed-loop digital laser fiber optic gyro (FOG) under the temperature from -40 to 65 ℃, one is the laser light control to keep optical power and wavelength unchanged, the other is the compensation for the integrated optic chip. The experiment result is showed that the temperature sensitivities of scale factor and zero drift in the fiber optic gyro designed are 2×10~(-5) 1/℃ and 0.00 8 (°)/(h·℃) respectively in all temperature range, which has met the requirements of middle accuracy gyro.

为使全数字闭环光纤陀螺在全温度(-40~+65℃)范围内的性能保持一致,采用了控制光源以稳定光功率和波长,以及对集成光器件进行温度补偿两种技术措施。试验结果表明,研制的光纤陀螺在全温度范围内,标度因数和零偏的温度灵敏度分别小于2×10-5℃-1、0.008(°)/(h·℃),达到了中等精度光纤陀螺的要求。

The one-fiber FOG is one of FOG, it is low-cost, high reliable and prone to realization in engineering. It is turned out by means of in-line manufacturing technologies to produce optical parts on one fiber, thus to form a circuit without weld joints. This in-line manufacturing technologies includes fiber annulus winding, the produce of couplers, polarimeters, luminescence modules, receiver modules and so on. The definition, principles, key technologies and manufacturing procedure of the one-fiber FOG are introduced,...

The one-fiber FOG is one of FOG, it is low-cost, high reliable and prone to realization in engineering. It is turned out by means of in-line manufacturing technologies to produce optical parts on one fiber, thus to form a circuit without weld joints. This in-line manufacturing technologies includes fiber annulus winding, the produce of couplers, polarimeters, luminescence modules, receiver modules and so on. The definition, principles, key technologies and manufacturing procedure of the one-fiber FOG are introduced, and the measures to improve its performance are presented. The application prospect of the one-fiber FOG is prefigured on the base of the analysis of the performances of the one-fiber FOG series.With the developing of the one-fiber FOG manufacturing technologies and the increasing perfection of signal processing, the performances of the one-fiber FOG are improved further, and the cost is reduced gradually, it is helpful to accelerate the prevalence and application of the one-fiber FOG.

单光纤光纤陀螺是全光纤光纤陀螺的一种,它具有低成本、高可靠性、易于工程化的优点。它是应用在线制作技术,在一根光纤上制作光器件,形成无焊接点的光路。在线技术包括光纤环缠绕技术、耦合器制作技术、偏振器制作技术、发光模块制作和光接收模块制作技术等。详细地介绍了其原理、关键技术及生产工艺,并提出了提高其性能的措施。在分析不同型号单光纤光纤陀螺性能的基础上展望了其应用前景。随着单光纤光纤陀螺生产工艺的改进和信号处理技术的提高,将会进一步提高其性能、降低成本,促进光纤陀螺的普及和应用。

 
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