There are seven colours of the visible light spectrum. In order of their ... a process called dispersion. This experiment is recorded as first being carried out by Isaac Newton, after an outbreak ...

Termed time refraction, this phenomenon causes the light pulse’s speed and frequency to keep changing as it moves. This is unlike spatial refraction, where the speed and directi ...

How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

The year 2009 marks the tenth anniversary of the first report of white-light ... to the dispersion meant that it was possible to obtain zero-dispersion wavelengths in the visible or near infrared ...