| 1. | And emission wavelength depends on ratio of well / barrier width more than number of wells . some useful data has been found through experiments
阱垒宽厚度比a较之mqw的周期数目n对pl发光波长的影响更大。 |
| 2. | The emission wavelength of qds was controlled by the size of the core and each single - color of qds has narrow symmetrical emission peak
量子点的发射波长取决于核心粒子的大小，而每一种单色量子点的发射波长窄而对称。 |
| 3. | Using this expression , the interrelation of the carrier density in each segment and the emission wavelength can be predicted while the laser is lasing
该表达式可以用来预测激光器激射工作时，两段载流子浓度和激射波长之间的相互关系。 |
| 4. | Using the bi - refraction effect of liquid crystal , we design a novel wavelength tunable micro - cavity polymer led . exert a voltage to liquid crystal ; it will be realize the emission wavelength tunable . the simulation indicates that the tunable range can approach 60nm , and the fwhm is 18
通过对液晶施加一定的交流电压，可以很容易地实现发光波长的连续调谐，通过模拟计算表明这种器件的可调谐范围可以达到60nm ，半宽度为18 . 5nm 。 |
| 5. | However , the emission wavelength of a dfb - ld needs to be carefully turned on the predetermined wavelength grid by adjusting both laser temperature and bias current . furthermore , dfb - ld has such drawbacks as a relatively large variation of the lasing wavelength with ambient temperature ( ~ 0 . 1nm / c ) which restricts its application in dwdm systems
然而dfb - ld的激射波长受温度( 0 . 1nm )和偏置电流的影响较大，只有通过调节dfb - ld的温度和偏置电流，其激射波长才能被调谐在预置的波长处。 |
| 6. | As heavy oil has fairly high aromatic hydrocarbon compound characterized by a wide range of components , the application of three - dimensional fluorescence pattern composed of excitation wavelength , emission wavelength and fluorescence intensity can detect the composition , intensity and characteristics of aromatic hydrocarbon compound
摘要根据重质油含有芳香烃化合物的组成范围很宽、含量较高的特点，应用由激发波长、发射波长和荧光强度组成的三维荧光图谱，可以检测芳烃化合物组成、强度及其特徵。 |
