Then it introduces a new method to test luminaire efficiency, and point out it should be called luminaire light output ratio according to the present test method.
文中给出了一种真正衡量灯具效率的方法，并指出按目前测试方法得到的比值应该称为灯具光输出比。
General expressions of intensity ratio of light in ring and output port were deduced according to multiple-beam interference, and optimum resonance condition was given.
从多光束干涉的基本原理出发，推导了集成光波导陀螺谐振腔一般谐振过程中，谐振环光强和输出光强表达式。
The second system is tunable laser light source based on semiconductor optical amplifier(SOA), light output power and signal-to-noise ratio are improved effectively;
第二套系统采用的是基于半导体光放大器（SOA）的可调谐激光器做光源，有效的增加了光源的输出功率，提高了信噪比；
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