The quantity in relation to the coupling efficiency of an optical fiber:lasing mode, divergence angle, numerical aperture, focal diameter and precision optical fiber coupler are discussed.
围绕光纤耦合效率相关的量:激光模式、发散角、数值孔径、焦斑直径、精密光纤耦合器等问题进行了讨论;
Secondly, coupling theory of optical fiber and the application of optical fiber coupler in optical system are introduced.
其次,介绍了光纤耦合理论和光纤耦合器在光学系统中的应用。
The invention discloses a method and a device for testing vibration performance of an optical fiber coupler for an optical fiber gyroscope.
本发明公开了一种光纤陀螺用的光纤耦合器振动性能测试方法及装置。