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Plano-Convex Lens - Equation and Explanation - AZoOptics
网页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 ...
Surface Quality Coating Specifications of an Optical Component
网页2020年9月2日 — Please use one of the following formats to cite this article in your essay, paper or report: APA. Alluxa. (2024, February 15). Surface Quality Coating Specifications of an Optical Component.
Helium-Neon (HeNe) Lasers - Properties and Applications
网页May 8 2013. A helium–neon laser or HeNe laser is a gas laser consisting of a mixture of neon and helium within a small bore capillary tube, which is excited by a DC electrical discharge. It was ...
What is a Collimator? - AZoOptics
网页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 ...
Meniscus Lens and Their Application - AZoOptics
网页Meniscus lens is a lens having two spherical curved surfaces, convex on one side and concave on the other side. It is thicker at the center than at the edges. The lens provides a smaller beam ...
What is a Wavenumber? - AZoOptics
网页Sep 16 2014. Wavenumber is defined as the number of complete wave cycles per unit length of a linear space. It can also be referred to as the spatial frequency of the waves represented in radians ...
What is a Periscope? - AZoOptics
网页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 ...
Ruby Laser – History, Properties and Applications - AZoOptics
网页A ruby-laser is a solid-state laser that employs a synthetic ruby crystal as its gain medium. The first ruby laser was developed by Theodore H. "Ted" Maiman at Hughes Research Laboratories in 1960 ...
The Different Types of Spectroscopy for Chemical Analysis
网页The main types of atomic spectroscopy include atomic absorption spectroscopy (AAS), atomic emission spectroscopy (AES) and atomic fluorescence spectroscopy (AFS). In AAS atoms absorb ultraviolet ...