An oil-immersion microscope objective has numerical aperture
PHYSICS · Subjective · Fermi University Physics · Optics & Photonics · Interference and diffraction · Interference and diffraction
Optics and Photonics, Ch Fraunhofer diffraction from apertures and gratings
Problem
An oil-immersion microscope objective has numerical aperture NA=0.90, and is used in light of wavelength λ=546nm (a green line commonly used in microscopy). Using the Rayleigh criterion for a microscope, find the smallest separation in the object plane that this objective can resolve.