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Methods of Measurement
Methods of Computation
2 other sections not shown
accuracy amplitude and phase Apparatus axis best focal plane best focus Born and Wolf c/inch chromatic OTF co-sinusoidal Collimator complex amplitude computed contrast convolution theorem cosine defocus design data diffraction diffraction theory effective exit pupil field curvatures field positions filter Fourier series Fourier transform geometrical optics give given Heaviside step function Hopkins image plane imaging system inch integration intensity distribution interferometer interferometric methods lens under test light flux line spread function linear measure the OTF narrow-bandwidth normalized spectral object is illuminated object slit obtained optical imaging optical path optical system optical transfer function OTF curves OTF measurement output partially coherent photomultiplier pinhole point spread function poly polychromatic OTF pupil function radial grating reference sphere scanning methods screen secondary spectrum shear shown in Fig signal slit image slit object spherical aberration temporal frequency temporally incoherent various wavelengths vignetted wave wavefront aberration wavelengths zero spatial frequency