| 1. | Gth is the active region gain required to offset losses in the regions exterior to the active region . Gth是为了补偿在有源区以外的区域中的损失所要求的有源区增益。 |
| 2. | Study on growth and luminescence properties of the blue led ingan active layer 有源区的制备及其发光特性研究 |
| 3. | The coefficient transition in quantum well is larger than that in bulk material 3对led器件多量子阱有源区载流子输运与复合跃迁的分析。 |
| 4. | Gth is the active region gain required to offset losses in the regions exterior to the active region Gth是为了补偿在有源区以外的区域中的损失所要求的有源区增益。 |
| 5. | When the number of the active region is added , the thermal properties of the novel laser become bad . it must be improved . 3 新型多有源区结构的激光器随有源区数目的增加,散热性能变差,其热特性有待进一步提高和改善。 |
| 6. | In ld aspect , reduction or increase of the active region thickness can reduce the aspect ratio of the ld beam and consequently improve the beam ’ s symmetry 在ld方面,减小或增加有源区的厚度,都可以减小激射光束的纵横比,改善ld光束的对称性。 |
| 7. | At last , through calculation we get the two dimensional temperature distribution of the chip and the submount of a high power laser diode array , which are consistent with the test data 最后,通过实验测定激光器阵列有源区的温升,得到与理论计算基本一致的实验数据,并且对温度的数值计算做了进一步的讨论。 |
| 8. | High leakage currents and soft reverse current - voltage characteristics are some of the detrimental effects produced by the metal atoms dissolved in the silicon matrix . gettering procedures can reduce metal contamination 由于金属杂质原子扩散并沉积在器件的有源区,会造成诸如:反向漏电流较大,反向击穿电压是软击穿等有害的影响。 |
| 9. | The high efficiency and high power semiconductor laser with multi - active regions , which are cascaded by reverse biased tunnel junction ( s ) can resolve the problems in theory and overcome these shortcomings 通过反向偏置隧道结将多个有源区再生耦合级联起来的新型高效大功率半导体激光器从理论和实践上解决了传统激光器存在的上述问题。 |
| 10. | A novel polarization - insensitive semiconductor optical amplifier ( pisoa ) with graded strain bulk - like active structure has been designed and fabricated . we have analyzed their polarization insensitivity characteristics from the point of theory 与中科院半导体所张瑞英博士等人一起,首次在国际上提出了用渐变应变结构作为半导体光放大器的有源区的研制工作。 |