On the basis of the improvement on the crystal growth furnace , the new nlo crystal k2al2b2o7 ( kabo ) has been grown by the top - seeding flux method 在对炉体改进的基础上，用顶部籽晶法生长新型紫外非线性光学晶体k _ 2al _ 2b _ 2o _ 7 ( kabo ) 。
In the first part of this thesis , a comprehensive review has been given on the recent development of the nonlinear optical material , especially the borate series 本文首先对非线性光学晶体材料，特别是硼酸盐类无机非线性光学晶体材料的发展及其晶体生长做了文献综述。
Potassium titanyl phosphate ( ktiopo4 or ktp ) crystal is a superior nonlinear optical material . but its high conductivity along c direction limits its applications in electro - optical areas 磷酸钛氧钾（ ktiopo4或ktp ）晶体是一种性能优良的非线性光学晶体材料，但由于其c向电导率较高的缘故，限制了它在电光方面的应用。
Abstract : on the basis of the constituent chemical bonds of crystal materials , the application of chemical bond viewpoint in the search for new type nonlinear optical crystal materials was studied and disscussed in the present work 文摘:从晶体组成化学键的角度出发，研究和探讨了化学键观点在寻找新型非线性光学晶体材料工作中的应用
We all know that the output of ultraviolet ( uv ) laser mostly depends on the conversion of nonlinear frequency , thus a new kind of excellent nonlinear optics ( nlo ) crystal is very important for the output of new wavelength 紫外波段激光的输出主要采用频率变换技术来实现，因此一种好的非线性光学晶体对于产生新的波长是非常重要的。
On account of qpm can take advantage of the largest element of x tensor , and any interaction with transparency range of the material can be noncritically phase matched without walk - off angle . therefore , the conversion efficiency in longer crystal may be improved 由于准相位匹配可利用非线性光学晶体最大的二阶极化张量元，在晶体的整个通光范围内均可实现非临界相位匹配，在较长的晶体上可望实现较高的变频效率。
The dissertation discussed the theories of second - harmonic generation for negative uniaxial optical crystal and summarized properties of nonlinear optical crystals , which are subjected to ultraviolet second - harmonic generation , and represented the theorizational law of double frequency crystal select ( tldfcs ) . at present , bbo crystal is the most subjected to commercial crystal of ultraviolet second - harmonic generation according to compared kdp , bbo , clbo , kabo and kbbf crystals based on tldfcs 论述了负单轴晶体的倍频理论，总结了适用于紫外倍频的非线性光学晶体的特性，提出了倍频晶体选择的理论依据，并根据该依据通过比较，最后选定bbo晶体为目前最适宜用于产业化的紫外倍频晶体。
Magnetorheological finishing ( mrf ) is a newly developed optical machining method , which can achieve fine - finished optical apparatus efficiently . combining with electro - magnetics , hydrodynamics and chemistry , mrf has been applied in optical machining . plane surface , sphere and asphere made of different optical materials can be machined 它将电磁学、流变学、化学综合作用于光学加工中,可以实现对光学器件的高效精密抛光,是获得超光滑光学表面的理想工艺之一,目前已经被应用于对平面、球面、非球面的超精密加工,可加工材料范围涵盖了光学玻璃、微晶玻璃、光学晶体等多数光学材料。
We article reviewed craftwork characteristic of growth yvo4 crystal by means of czochralski - cz . according to method of fimty - difference , we compiled field quantity estimate program ( fqep ) with vc + + that we can numerical simulate temperate - field and velocity - field while yvo4 dual - refractive optics crystal is growing 本文对丘克拉斯基( czochralskicz )法生长yvo _ 4晶体的工艺特点进行了评述，根据有限差分的方法，用vc + +语言编写了场量计算程序，对yvo _ 4双折射光学晶体生长过程中的温度场和速度场进行了数值模拟。
The tripled frequency converter is applied to the terminal optics assemble , its main function is completing the transmission of the light and energy by the optics crystals , at the same time transforming the base frequency light into tripled frequency light . the function requires the frequency converter to have good stability and high orient precision 三倍频模块应用于终端光学组件中,其主要功能是通过两块光学晶体完成光路和能量的传输,同时将基频光转换成三倍频光,这种功能要求光学晶体有良好的稳定性和较高的定位精度。
