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- This is achieved by a high numerical aperture (NA) lens axicon that utilizes spherical aberration to duplicate the performance of an axicon and to create an extended focal line. 该方法采用了高数值孔径的旋转三透镜,这种透镜利用球面透镜来复制旋转三棱镜的性能和产生一个延长焦线。
- Focused Characteristics of a Lens Axicon Illuminated by Polychromatic Gaussian Beams 多色高斯光束照射下透镜轴棱锥的聚焦特性
- 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。
- lens axicon 物理光学
- 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。
- Bessel-Gauss resonator based on axicon[J]. 引用该论文 郭东栋;吴逢铁;陈云彬.
- 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。
- 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。
- Required sperhical lens parameters are determined by fitting the phase of sperhical lens and logarithmic axicon. 对所要得到的球面透镜与理想对数轴锥镜的相位进行拟合,求解得出所需要的球面透镜参量。
- The lens hood is used to cover up the lens. 遮光罩是用来遮盖镜头的。
- Diffraction-free Beams and the Design of a Binary Axicon[J]. 引用该论文 周静;施文敏;徐大雄;龙品.
- The lens of the eye accommodate to distance. 眼球晶状体能根据距离进行调节。
- I prefer a built-in zoom lens, like the one I have. 我喜欢如我所有的那种固定式变焦镜头。