| 1. | The design of the transmissive variable optical attenuator
透射型电可调光衰减器的设计 |
| 2. | Polymer - based variable optical attenuator
聚合物热光可变光衰减器 |
| 3. | The temperature character of a novel variable optical attenuator
新型可变光衰减器的温度特性研究 |
| 4. | General rules of optical attenuators
光衰减器的一般规则 |
| 5. | Fixed optical attenuators
光衰减器固定 |
| 6. | Finally , the effect of boron and interstitial oxygen on the light degradation are studied
作为本文的主要内容，对影响太阳电池光衰减的主要因素?硼、氧进行了研究。 |
| 7. | For further information of our products , you may visit our website at http : / / www . topfiber . com . tw
目前我们可供应全系列的的各式光耦合器和分波多工器、光衰减器、以及跳接线等。 |
| 8. | The content of the thesis is classified into three parts . the first part summarizes the modern tecchnoligies for optical switches and variable optical attenuators , analyzes the pros and cons of the techniques involved
第一部分主要研究了现有光开关及可调光衰减器的实现技术，对各种技术的优点及缺点进行了分析，并对光开关及可调光衰减器技术现状进行了概述。 |
| 9. | In order to avoid light degradation , low interstitial oxygen content and low boron concentration b - doped p - type cz - si material should be used , for example , the resistivity can be from 5 - 10 . cm , the efficiency has reached to 22 . 0 %
上述研究工作表明：为了避免光衰减，提高硅片少子寿命，应该选择低氧浓度的硅片，并降低硼的掺杂浓度，即：使用高阻材料制作太阳电池。 |
| 10. | The last part of the thsis presents a novel fast response digital variable optical attenuator . this device is driven by two electromagnetic driving units rather not stepper motors . a wide attenuation ( 40db ) was fully digitized and can be set by a certain number of driving pulses
论文最后针对现有数字可调光衰减器均由步进电机驱动，体积庞大，造价高昂且速度缓慢的缺点，利用微反射单元设计了一种高速数字式可调光衰减器。 |
