Article - 11 Apr 2014
Light travels as transverse electro-magnetic waves. The magnetic and electric fields are perpendicular to the direction of propagation and each other, as shown in Figure 1. Defining the direction of a...
Article - 10 Apr 2014
Dispersion is the process of describing the characteristics of light waves and their interaction with a medium so that the group and phase velocities of the light propagating the medium depend on the...
Article - 8 Apr 2014
In this interview, Benno Oderkerk, CEO of Avantes, talks to AZoOptics about the last 20 years of innovation at Avantes and their plans for the future.
Article - 7 Feb 2014
Ultraviolet (UV) light is a portion of the electromagnetic spectrum between the visible rays and X-rays. It lies in the frequency range of 10 to 400 nm with photon energies from 3 to 124 eV.
Article - 3 Jan 2014
Interferometric measurements can be carried out in an optical arrangement in which two or more beams originated from the same source, but passing in different paths are made to interfere....
Article - 31 Dec 2013
An aperture is an opening or a hole through which light passes by. In an optical system, the aperture is the opening that defines the cone angle of a set of light rays that converges at a focal point...
Article - 30 Dec 2013
An optical cavity or an optical resonator may be described as an arrangement of mirrors that produce a standing light wave resonator.
Article - 11 Nov 2013
Optical imaging is a technology which explains the characteristics of infrared, ultraviolet and visible light. It is a non-invasive technique which uses non-ionizing radiation in order to...
Article - 28 Jun 2013
Sebastien Blais-Ouellette, CEO and Founder of Photon etc. talks to AZoOptics about Short wavelength infrared camera technology.
Article - 26 Jun 2013
Optical parametric amplification (OPA) may be described as a process of amplifying an input signal in the presence of a higher-frequency pump wave. Apart from signal amplification, an idler wave is...