On the Possible and Impossible in Optics |
Contents
COMBUSTION FROM AFAR | 1 |
OPTICAL MYTHS | 25 |
REVERSIBILITY AND IRREVERSIBILITY IN OPTICS | 49 |
4 other sections not shown
Common terms and phrases
aberration absorption amplitude filter angular aperture angle astronomical axis brightness calculated central spot combustion concentration determined device diameter diaphragm diatom diffraction pattern dimensions direction distribution effect electron microscope element entrance pupil equal equation example exit pupil eyepiece factor field of vision focal distance focal plane Fresnel geometric optics glass greater Hence Huygens principle Huygens-Fresnel principle illumination impinges incident increase infinitely intensity inventors irreversible Lagrange-Helmholz law latter layers lens lenses Let us assume light source luminous energy luminous flux magnification means method mirrors numerical aperture objective observed obtained optical instruments optical system parallel beam perpendicular photograph point source possible problem produced radiation reduce reflection refractive index relative aperture resolving power result retina rings scatter screen shell sin² slits solid angle source of light spectra star stilbs structure telescopic systems theory vector vibrations visible wave surface wavelength x-ray microscope zero