摘要: Abstract:In order to ensure the consistency of the images in different waveband, a common aperture ultravioletand mid wave infrared dual band microscope is designed.Based on the analysis of the factors that affect the imageconsist... 展开 Abstract:In order to ensure the consistency of the images in different waveband, a common aperture ultravioletand mid wave infrared dual band microscope is designed.Based on the analysis of the factors that affect the imageconsistency, the condition of the equal focal length is derived.Fitting the curve of the focal length differencechanging with the wavelength, and making the focal length of the two wavebands equal by reasonable matching ofthe focal power, thus ensuring the good consistency of different band images.The working range of the opticalsystem is 0.24~0.28μm and 3~5μm; the field is 0.8mm, the numerical aperture is 0.25,the focal length is 13.86mm,and the magnification is 10X.The transfer function value of UV is higher than 0.75at the spatial frequency of37lp/mm, The transfer function value of MWIR is higher than 0.35 at the spatial frequency of 30lp/mm. 收起