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Optics News and Photonics News from across the Globe. AZoOptics is the world's leading online publication for the Optics & Photonics community.
What are Optical Sensors Used For? - AZoOptics
Sep 29, 2022 · Industrial and commercial applications. Optical sensors are used to detect liquid levels in engineering facilities. For instance, optical sensors detect petroleum levels in hydrocarbon refineries ...
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 ...
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 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 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 ...
Laser Cooling: Methods, Applications, and Future Prospects
Apr 9, 2024 · Laser cooling combines quantum mechanics and optics and has revolutionized the manipulation of atomic and molecular temperatures, enabling advancements in quantum simulation and precision measurement.
What is a Lambertian Surface? - AZoOptics
Oct 8 2014. A Lambertian surface for reflection is a surface that appears uniformly bright from all directions of view and reflects the entire incident light. Lambertian reflectance is the ...
Specular Reflection - Definition - AZoOptics
Specular reflection is a type of surface reflectance often described as a mirror-like reflection of light from the surface. In specular reflection, the incident light is reflected into a single ...