| 1. | Solid state ld pumped laser
半导体激光激发式固态激光 |
| 2. | Nd yag ld pumped lasers
激光半导体激光激发 |
| 3. | Nd : yag ld pumpe lasers
激光半导体激光激发 |
| 4. | Dye laser pumped lasers
染料激光激光激发 |
| 5. | Dye laser pumpe lasers
染料激光激光激发 |
| 6. | The pulse has a slow rising wavefront which stimulates the " raman scattering instability " to accelerate the electrons firstly and a sharp falling rear part which excites wakefield to trap electrons secondly
鉴于“受激naman散射”在尾流场加速电子方面的重要性，我们还研究了长脉冲激光激发“受激naman散射”的情况。 |
| 7. | ( 5 ) under 488 nm excitation , temperature - dependence of emission intensity of eu3 + in silicate glasses was investigated from 77 k to 670 k . it was observed that the total emission intensity of the eu3 + - ion in glasses had a maximum at a certain temperature
( 5 )测量了488nm激光激发下eu ~ ( 3 + )的发光强度在77 ? 670k之间随温度的变化过程，观察到eu ~ ( 3 + )掺杂氧化物玻璃发光强度随温度上升至某一最大值而后随温度上升而下降。 |
| 8. | The increase of radiative transition rate with decreasing particle size was attributed to the lower symmetry surrounding the eu3 + ions , while the increase of nonradiative transition rate to the extra nonradiative transition channels caused by surface defects . ( 3 ) under excitation of 488 nm , temperature - dependence of emission intensity of the 5d4 - 7fj transition in nanocrystalline y2o3 : tb was studied . in nanocrystalline , there appeared two maximal intensities
( 3 )研究了488nm激光激发下不同颗粒尺寸的y _ 2o _ 3 ： tb纳米晶荧光发射强度随温度的变化规律，发现y _ 2o _ 3 ： tb纳米晶荧光发射强度在280k与590k存在两个极大值，而体材料只在280k有一个极大值。 |
| 9. | The main content and important results of this thesis are as following : a series of er + - doped borosilicate glasses were prepared by varying the composition . absorption spectra of four glasses were measured . 1 . 51uminescence under the excitation of a 978nm ld and visible luminescence with a 488ar + laser were observed
测量了样品的吸收光谱，在978nmld低功率激发下，均观测到了系列玻璃样品中er ~ ( 3 + )的1 . 5 m近红外发射，在488nmar ~ +激光激发下，观测到了可见区发光。 |
| 10. | The main contents and important results of this paper are as following : strong blue cooperative up - conversion luminescence is observed in various host materials single doped yb3 + ions with naked eyes at room temperature under 980nm excitation . moreover there exist rich emission lines and peculiar ratio of luminescence intensity in all samples . intense green and blue up - converted luminescence is observed in yb3 + - ho3 + co - doped pbf2 - znf2 based materials with 930 nm diode light excitation at room temperature
其主要内容与得到的结论如下： ( 1 ) yb ~ ( 3 + )单掺杂不同基质材料组成的氟氧化物在980nm激光激发下发射出明亮的yb ~ ( 3 + )离子的合作上转换蓝色荧光，同时这些样品具有极为丰富的荧光发射，有着特别的色比关系。 |
