Plano-Convex Lens - Equation and Explanation - AZoOptics
The focal length of the lens can be calculated using a simple equation, as follows: 1/f = (n-1) (1/R f – 1/R b) In this equation, f is the focal length of the lens, whereas Rf and Rb represent ...
Optics News | Photonics News
Optics News and Photonics News from across the Globe. AZoOptics is the world's leading online publication for the Optics & Photonics community.
Refractometer - Definition and Applications - AZoOptics
May 6 2014. A refractometer is an optical device used for measuring the extent to which light is bent, or refracted when it moves through a substance. It works because light travels at different ...
Ruby Laser – History, Properties and Applications - AZoOptics
The first ruby laser was developed by Theodore H. "Ted" Maiman at Hughes Research Laboratories in 1960. It produces pulses of red visible light at a wavelength of 694.3 nm. The active laser medium ...
Metastable States - Definition and Applications in Optics
Optics 101. Metastable state is an excited state of an atom or other system with a longer lifetime than the other excited states. However, it has a shorter lifetime than the stable ground state ...
What is a Periscope? - AZoOptics
A periscope is an optical instrument that allows objects that are not in direct line of sight to be viewed. Periscopes have proven to be of great help to submariners by allowing these professions ...
What is a Collimator? - AZoOptics
Jun 10 2013. A collimator may be described as a device that focuses or narrows a light beam or a stream of particles to be aligned in a different direction or reduce its cross section. The ...
What is a Monochromator? - AZoOptics
Aug 17, 2012 · A monochromator is an optical component which is used to produce a beam of light with a very narrow bandwidth - effectively light of a single colour. The way in which this is achieved depends on ...
An Introduction to the Models of Light - AZoOptics
Jul 10, 2007 · The Wave Model of Light. The Wave Model describes how light propagates in the same way as we model ocean waves moving through the water. By thinking of light as an oscillating wave, we can account ...
An Introduction to Spectrophotometers - AZoOptics
Aug 28, 2024 · Spectrophotometers measure the amount of light that can pass through a specimen,1 providing insights into material properties at both atomic and bulk levels, including transmittance, reflectance ...