Electron diffraction is a powerful analytical technique used to study the atomic structure of materials. It involves the interaction of a beam of electrons with a crystalline sample, resulting in a ...

The limitations of linear imaging were formalized succinctly by Ernst Abbe in 1873 1. In his theory, an object is treated as an ensemble of Fourier modes, each of which acts individually as a ...

This is a preview. Log in through your library . Abstract Kirchhoff's diffraction theory is introduced as a new case study in the realism debate. The theory is extremely successful despite being both ...

This is a preview. Log in through your library . Abstract Recent resolving power measurements by Burtt & Catton give high values and demand the re-examination of insect vision theories. Their results ...