图 60x Plan Apochromat Objective Nosepiece Mounting Manufacturer Thread Flat-Field、 Aberration Correction Nippon JAPAN Correction Plan Apo Lateral Numerical Magnification- 60×11.40⊙1、 Aperture DIC H Specialized /0.17wD0.21、 Immersion Optical Medium Properties Working Tube Length Distance Magnification Coverslip Color Code Thickness Spring-Loaded Retraction Figure 1 Stopper 材料料学与工程学院 11 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 11
© 数值孔径与分辨率 Ro 0.612λ △ro二 二 数值孔径(N.A) M nsina Numerical Aperture NA=n·sinc (a)g=7°NA=0.12 (b)=20°NA=0.34 (c)a=60°NA=0.87 Light Cone (a) (b) (c) Figure 1 材料科学与工程学院 12 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 数值孔径与分辨率 12 数值孔径(N.A.)
③ 数值孔径的大小代表了镜头的集光能力 N.A.nsina R1 Ri n=1,air n=1.52,oil 材料科学与工程学院 13 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 数值孔径的大小代表了镜头的集光能力 13 N.A. = nsin n=1, air n=1.52, oil R1 R1
© 数值孔径与分辨率 NA1.25 NA0.3 材料科学与工程学院 14 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 数值孔径与分辨率 14
③ 数值孔径与分辨率 材料科学与工程学院 15 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 数值孔径与分辨率 15