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- Gradient-index and diffractive lenses, and the ubiquitous zoom lens, were known but not well developed until the second half of the century. 渐变折射率透镜,衍射透镜以及普遍使用的变焦镜头早已为人知,但直到20世纪下半才发展完备。
- Carmina Lindono, Peter P.Clark,“Modeling diffraction efficiency effects when designing hybrid diffractive lens systems”, Appl.Opt., Vol. 31, No. 13, pp.2248-2252, 1992. 陈昭先,“对给定初阶像差目标值之光学薄透镜组设计方法与应用”,国立交通大学光电所,博士论文,民国86年。
- The high order diffractive lenses take the place of conventional diffractive lenses to improve the performance of the system, and the telescope achieves a broader bandwidth. 使用谐衍射透镜代替普通衍射透镜,对系统进一步改进,使望远系统获得了较宽的光谱范围。
- Four Degrees Field of View Cassegrain Optical System with Diffractive Lens 含衍射透镜的4~d视场卡塞格林光学系统
- Optimal Design of Frensel Diffractive Lens Using in Light Beam Collimation of Laser Diode 半导体激光器的衍射准直透镜的优化设计
- Dispersion analysis of diffractive lenses 衍射透镜的色散分析
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- Some adjustment of the lens may be necessary. 可能有必要调节一下镜头。
- Do you have soft contact lens care product? 有没有软性隐型眼镜保养用品?
- He uses lens to make things appear clearer. 他用镜片以便看东西更清楚些。
- The lens is often used to make telescopes. 镜片常被用来做成望远镜。
- Don't smear the lens; I've just polished it. 别把镜头弄脏了,我刚刚擦过。
- The camera lens must be screened from direct sunlight. 照相机的镜头不可受到阳光的直射。
- A close- up lens is ideal for taking close- up picture. 近摄镜用来拍特写照片最理想。
- In this operation the surgeons implant a new lens (in the eye). 医生在这次手术中给病人(眼球)植入了新的水晶体。
- harmonic diffractive lens 谐衍射透镜
- diffractive lens 衍射透镜
- The gunsight has an infrared lens for night vision. 射击瞄准器装有用于夜间视力的红外线镜头。
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象双凸透镜可以放大那样,双凹透镜也可以缩小。
- The lens hood is used to cover up the lens. 遮光罩是用来遮盖镜头的。