| 1. | Ba 2 external resonator raman laser excited by 532 nm laser
激光泵浦硝酸钡晶体产生外腔拉曼激光 |
| 2. | The reasons of cleavage in the crystal is analyzed and solved by strict control of growth parameters
分析了晶体产生开裂的原因，采用严格控制生长参数的方法予以解决。 |
| 3. | The effects of radiation on the eyes are causing cataract , which is the opacity of the lens
辐射对眼晶体的影响是会引致白内障。白内障是眼晶体产生混浊的一种疾病，有明显的阈值。 |
| 4. | The effects of radiation on the eyes are causing cataract , which is the opacity of the lens
辐射对眼晶体的影响是会引致白内障。白内障是眼晶体产生混浊的一种疾病，有明显的阈值。 |
| 5. | 6 ) the self - absorption of thz waves in doped zn0 . 95cd005te < 110 > crystals is the main factor which affects the generation efficiency of thz waves
对于不同掺杂的zll095cd005te 110单晶，晶体产生thz辐射效率不同的主要原因是晶体对thz辐射的吸收不同。 |
| 6. | The observation reconfirms that introduction of a small amount of cd ( 3 % - 5 % ) into znte can significantly improve the crystal quality and enhances the generation efficiency of thz waves
这说明在znte晶体中少量刁加入cd ，能够提高znte晶体生长的质量，降低晶体对thz辐射的吸收，提高晶体产生t ’ hz辐射的效率。 |
| 7. | Effective generation of thz wave is a basic issue in experiments evolving thz radiation . scientists have studied different electro - optic crystals as a thz waves emitter , and they found that the znte crystal is the best for thz wave generation
国际上，许多科学家对大量电光晶体产生和探测thz辐射进行了研究，发现znte电光晶体作为thz脉冲产生和探测材料，其总体性能优于其他电光晶体，目前在thz辐射实验中应用得最广泛。 |
| 8. | 5 ) optical rectification in a set of doped zn0 . 95cd0 . 05te < 110 > crystals show an increasing efficiency of thz beam generation with the increasing crystal resistivity , but the efficiency saturates and descended when the doped crystal resistivity goes beyond 106 o - m
Teq10单晶，当晶体的电阻率较大时…入0 ‘ q ， cmx晶体产生的thz辐射信号逐渐增大。当晶体的电阻率p 106qcm时，晶体产生thz辐射的效率达到饱和甚至可能下降。 |
| 9. | Our results explain the mechanisms of the composition and doping dependent thz radiation efficiency for the different crystals . experimental results in this thesis are useful for growing eo crystals with high performance , and suggest that more parameters are required for better characterization of this kind of crystals as thz wave emitters . the main results and conclusions are listed as follows : 1 ) experimental measurements with low cd composition zn1 - xcdxte < 110 > crystals ( 0 < x < 0 . 25 ) as thz emitters indicate the optimum composition of x = 0 . 05
在国际上，我们首次用实验研究了不同组分、不同掺杂的zn _ ( 1 - x ) cd _ xte < 110 >单晶( x = 0 0 . 25 )对thz辐射的吸收情况和它们产生thz辐射的相位匹配情况，并首次从晶体对thz辐射的吸收和晶体的相位匹配角度解释了这些晶体产生thz辐射效率不同的原因。 |
| 10. | In this thesis , we study the thz pulse generation efficiency of the < 110 > - oriented zn1 - xcdxte crystals with various composition ratios and doping levels , using thz time - domain spectroscopy . it is found that both absorption and phase matching condition play important role . it is the first time to systematically study < 110 > - oriented zn1 - xcdxte crystals with various composition ratios and different doping levels using thz time - domain spectroscopy
本论文中，我们利用thz时域光谱系统对不同组分、不同掺杂的zn _ ( 1 - x ) cd _ xte < 110 >单晶( x = 0 0 . 25 )作为thz辐射材料的性能和光谱响应进行了研究，发现晶体对thz辐射的吸收和晶体的相位匹配是影响晶体产生thz辐射效率的重要因素。 |
