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- thermal lens focus 热焦距
- Go back and redo the optical lens focus for green only. 回去和重复光学的透镜焦点为了绿色唯一的.
- Thermal lens spectrometry is a photothermal technique developed in 1980s. 摘要激光热透镜光谱法是20世纪80年代发展起来的一种光热光谱分析技术。
- Therefore, this approximate method is applied to the measurement of the lens focus, and the focus error between the approximate method and traditional method is less than 1%. 利用该方法对透镜的焦距进行了测量，将测量结果与传统方法测得的焦距进行比较，两者误差不到1%25。
- Focal length difference at different radii of the thermal lens is analyzed simply. 初步计算了晶体热透镜不同径向位置处的焦距差。
- Thermal lens and stress induced birefringence are two key effects that must be considered in the design and optimization of high-power DPL. 激光通过工作物质时所产生的热透镜以及应力双折射两种效应是高功率二极管泵浦激光器(DPL)的设计和优化过程中必需考虑的因素。
- According to the ABCD matrix of Gaussian beam's propagation, a Z-type cavity insensitive to thermal lens effect is designed. 根据高斯光束传输的ABCD矩阵,设计了对热效应不灵敏的Z型谐振腔。
- Under the study on rod Nd-glasses heat-capacity laser thermal lensing,the general expressions of the thermal focus length are derived. 针对热容激光器的热透镜效应,给出了棒状钕玻璃热容激光器的热透镜公式表达式。
- A model which treated the active medium as a thick lens was established to analyze the effects of thermal lens in the resonator. By using the matrix method, the equivalent resonator performance was studied. 将kHz高功率固体激光器增益介质当作厚透镜处理,建立了热透镜效应分析的理论模型,使用矩阵的方法对等效热透镜腔进行分析。
- A theoretical model of dual beam thermal lens effect is derived. The model predicts the intensity distribution and variation in far field of the laser beam in the presence of weakly absorbing medium. 给出了双光束激光热透镜效应的一个理论模型,它预示着激光经微弱吸收介质后的远场光斑强度分布和变化。
- In the1940' s Brandt found an old Kodak box camera with a wide-angle lens focused on infinity and began using it to photograph nudes. 在本世纪四十年代，他找到了一架有广角镜、以无限聚焦的旧式柯达箱形照相机，于是就开始用它来拍摄裸体。
- Small absorption coefficient of fifteen organic solvents and water were measured at 514. 5nm by means of oppositely crossed laser thermal lens spectrometry using argon ion laser as pump source. Higher sensitivity was obtained. 本工作采用反向交叉式双光束激光热透镜光谱法;以氩离子激光作泵浦光源;在514.;5nm波长条件下;测量了十五种有机溶剂和水的极小的吸收系数;获得了较高的测量灵敏度。
- Influence of Laser Window's Thermal Lensing Effect on the Beam Quality[J]. 引用该论文 安建祝;李有宽;杜祥琬.
- In the 1940's Brandt found an old Kodak box camera with a wide-angle lens focused on infinity and began using it to photograph nudes. 在本世纪四十年代，他找到了一架有广角镜、可以无限聚焦的旧式柯达箱形照相机，于是就开始用它来拍摄裸体。
- Also a method to dynamically compensating the thermal lensing is discussed. 提出一种动态补偿热透镜效应的方法,分析了其可行性。
- For decades, scientists have likened our visual-processing machinery to a television camera: the eye's lens focuses incoming light onto an array of photoreceptors in the retina. 数十年来，科学家将人类的视觉处理机具比拟成摄影机：眼睛里的水晶体将入射光聚焦投射到视网膜的感光受器阵列。
- Error of the Non-ideal Thin Convex Lens Focus Measures 非理想薄凸透镜焦距测量的误差
- The application of shooting distance and lens focus in photography 摄影中拍摄距离与镜头焦距的运用
- Under the study on SSHCL resonator and thermal lensing in this paper, designing rules are given for unstable resonator with a thermal lens. 论文即选取固体热容激光器谐振腔设计及其热透镜效应作为主要研究方向,给出了含热透镜正支虚共焦非稳腔的设计原理以及步骤;
- Auto-measuring System of Aero-camera Lens Focus Using Linear CCD 利用线阵CCD实现航空相机镜头焦距的自动测量
