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 ...
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 ...
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 ...
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 the Role of Lenses in Microscopy? - AZoOptics
Oct 24, 2022 · A microscope is an additional lens placed in front of your eye. The microscope lens functions like a magnifying glass, bending light to make the object appear wider to get the desired ...
Optical Condenser - Definition and Applications - AZoOptics
May 1 2014. A condenser is, essentially, an optical lens that is used to convert a divergent beam from a point source into a parallel or converging beam. The main purpose of using a condenser is ...
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 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 ...
Polarizer - Basic Definition and Types of Polarizers - AZoOptics
Oct 21, 2007 · Please use one of the following formats to cite this article in your essay, paper or report: APA. CODIXX AG. (2020, June 04). Polarizer - Basic Definition and Types of Polarizers.
What is Optical Density? - AZoOptics
Aug 6 2014. Optical density is a term used in the field of optical spectroscopy to describe the propagation of a wave through a material. It is often confused with absorbance as they both measure ...