Focusing of Partially Coherent and Circularly Polarized Bessel-Gaussian Beams Through a High Numerical-Aperture Objective
部分相干圆偏振贝塞耳-高斯光束经高数值孔径透镜的聚焦
short focal length (high aperture) lens
短焦距(大孔径)透镜
The diameter of the objective of a telescope.
孔径望远镜物镜的直径
Rayleigh-Sommerfeld Diffraction Formula on the Thin Acoustic Lens With Larger Aperture
较大孔径薄声透镜声场的瑞利─索末菲衍射公式
condenser aperture
聚光镜孔径;聚光镜孔径;聚光器孔径;聚光器孔
Its practicality effective aperture ratio has been improved to about92.8%, consequently the concen-tration efficiency of microlens array is increased.
其实测有效孔径比可达到92.8%极大提高了微透镜阵列的聚光效率。
Reconstruction of Synthetic Aperture Digital Lensless Fourier Transform Hologram by Use of the Screen-Division Method
合成孔径数字无透镜傅里叶变换全息图的分幅再现
The lens or lens group closest to the eye in an optical instrument;an ocular.
目镜光学仪器中靠近眼睛的透镜或透镜组；窥孔
ultra-rapid lens
甚大光强[相对]孔径物镜
filled aperture radio telescope
连续孔径射电望远镜
aperture synthesis radiotelescope
综合孔径射电望远镜
object lens of large relative aperture
大相对孔径(摄影)物镜
a compound camera lens with a relatively high aperture.
带有相对高孔径的照相机复合镜头。
filled and unfilled aperture radio telescope
连续和非连续孔径射电望远镜
Video Lens Design for CCD Camera of Wide-angle Large Aperture
广角大孔径CCD摄像镜头光学设计
wagon-box rivet head
扁头形[透镜形]大直径铆钉头
Effects of Porosity on Gas Permeability and Maximum Pore Size of Fiber Felts
孔隙度对纤维毡透气性能和最大孔径的影响
Aspheric mirrors and condensers in various diameters and relative apertures.
（4）各种不同口径及相对孔径的非球面镜及非球面聚光镜。