Seeing Molecules Flashcards
1
Q
What is the diffraction limit?
A
A fundamental limit due to the nature of light where the edge of an aperture diffracts light and limits resolution.
2
Q
What defines the size of an Airy disk?
A
The distance from centre to the first minimum.
3
Q
What was Lord Rayleigh’s criterion for the resolution of two objects.
A
‘Objects are just resolved when the centre of one Airy disk falls on the first minimum of the Airy disk of the neighbouring object.’