A passive lens based on the prismatic refraction principle proposed to amplify the scan Angle of a phased array.
本文基于棱镜折射原理,提出一种用来放大相控阵天线扫描角的无源透镜。
Conclusion: the selection of refractive surgery in patients with myopia should be based on age, condition of the lens, degree of myopia, and monocular and binocular refraction.
结论:近视患者的屈光矫正手术的术式选择,应根据年龄、晶状体情况、近视程度和单、双眼情况,进行综合判断决定。
The X-ray compound lens is a novel optical device that focuses X-ray radiation by refraction effect.
射线聚焦组合透镜是一种利用折射效应对X射线辐射聚焦的新型元件。
We propose and optimize the antireflection coating composed of a row of tapered dielectric waveguides for two-dimensional air hole-type photonic crystal negative refraction slab lens.
提出并优化了由单排渐变介质波导构成的二维空气孔型光子晶体负折射平板透镜表面的减反层,改善了成像质量。
Analytic calculation of the negative refraction at the spherical surface is conducted demonstrating that the usual optical formulas still hold true for the LHM lens.
推理分析了左手性介质透镜处球形界面的负折射规律,并依此表明了常用光学公式仍适用于左手性介质。
When the wavelength tends to zero, the refraction coefficient will tends to 1. Because with the frequency of pulse laser is going up, the very strong "Lens" effect will be produced in plasma.
当波长趋于零时,折射系数都趋于1,这是由于脉冲激光的频率增高,等离子体中产生了非常强的“透镜”效应所至。
A method of surveying the index of refraction of thin lens material with the help of images made by spherical reflection is given.
给出了一种利用透镜的球面反射像测量薄透镜的材料折射率的方法。
The effect induced by the increment of refraction index and dispersion of glass in the wide bands FT(Fourier Translate) lens were introduced.
介绍了宽谱段傅里叶变换镜头中光学玻璃的折射率、色散变化对系统的成像质量的影响。
On the basis of thin-lens focal length measurement experiment, the imaging law of refraction-reflection system was further studied.
在薄透镜焦距测定实验的基础上,进一步讨论了折射反射系统成像的规律。
Conclusion the length of axis, corneal refractive power, lens thickness, anterior chamber depth and age have certain effect on the spherical equivalent refraction.
与角膜厚度、眼压无明显的相关性。结论眼轴长度、角膜屈光力、晶状体厚度、前房深度和年龄对近视度数(等值球镜度数)均有一定的影响。
This article introduced the imaging principle of the thin lens and the refraction system of eyes. This article also analyzed the Simulation and Remedy of the Myopic eye.
介绍薄透镜成像原理和眼屈光系统。分析近视眼的模拟与矫正。
Methods Examing the corrected visual acuity, binocular refraction state, simultaneous vision, fusion faculty and stereoscopic after intraocular lens implantation of 33 cases with traumatic cataract.
方法对33例外伤性白内障人工晶状体植入术后矫正视力、双眼屈光状态、同时视、融合力、立体视锐度等功能进行检测。
By combining DO lens elements with normal refraction elements, color aberration is corrected to levels even higher than is possible with fluorite elements.
DO镜片与普通的折射玻璃结合在一起,色散的校正水准甚至高于萤石镜片。
CONCLUSION: The CCT in patients of myopia was correlated with history of wearing soft contact lens, refraction and IOP.
结论:影响近视眼患者角膜中央厚度的主要因素是:配戴角膜接触镜史、屈光度数和眼压。
CONCLUSION: The CCT in patients of myopia was correlated with history of wearing soft contact lens, refraction and IOP.
结论:影响近视眼患者角膜中央厚度的主要因素是:配戴角膜接触镜史、屈光度数和眼压。
应用推荐