Practical Holography, 4th Edition

Chapter 3

Light Sources for Holography

I engage with the Snark–every night after dark –

In a dreamy delirious fight:

I serve it with greens in those shadowy scenes,

And I use it for striking a light; …

Lewis Carroll

The Hunting of the Snark

Light as an Electromagnetic Phenomenon

Over the past two millennia, there have been many theories purporting to explain the nature of light. Most have eventually been discarded because they could not provide a fully satisfactory prediction of its behavior. Modern philosophers of science assert that the concept of a theory of light (or, indeed, of any physical phenomenon) is logically unsound and that it makes more sense to consider the theories as models that represent the behavior of light under certain ...