Source: Carl Roth Understanding Microscopes: A Comprehensive Overview Introduction Microscopes are essential tools that enable the observation of small objects with enhanced detail. They come in various types, utilizing different forms of radiation for imaging, such as visible light, infrared, ultraviolet, X-rays, and electron beams. In this article, we will focus on optical microscopes, exploring […]
Source: Allelco Understanding Q Factor in Resonators The Q Factor in Resonators Introduction The Q factor (quality factor) of a resonator is a crucial parameter that characterizes the damping of its oscillations or the relative linewidth. Originally used in electronic circuits and microwave cavities, the concept of Q factor has also found significance in optical
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Source: Coeln Cameras · Auf Lager Understanding Photo Cameras Photo Cameras: A Comprehensive Overview Film-based Cameras Traditional photo cameras used photographic films, which have been largely replaced by digital cameras. Film-based cameras have a limited number of opportunities for capturing images, requiring development before viewing. Digital Cameras Modern digital cameras use electronic image sensors to produce digital
Source: Laser Components Understanding Beam Profilers for Laser Beam Characterization Introduction A beam profiler, also known as a beam analyzer or mode profiler, is a crucial tool for characterizing laser beams. It provides detailed information about the intensity profile of a laser beam, including its shape and beam quality. Importance of Beam Profilers Beam profilers
Source: Wikipedia The Faraday Effect: Understanding Magneto-Optic Phenomena The Faraday Effect: Understanding Magneto-Optic Phenomena The Faraday Effect, discovered by Michael Faraday in 1845, is a fascinating phenomenon where the polarization direction of light is rotated when it passes through a transparent material in the presence of a magnetic field. This effect has significant implications in
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Source: Precision Optical Technologies Understanding Optical Attenuators Understanding Optical Attenuators Introduction Optical attenuators are devices used to reduce the optical power of a light beam. They are essential in various applications where precise control over light intensity is required. Types of Optical Attenuators Absorbing Filters Absorbing filters use materials with controlled absorption properties to attenuate
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Source: Instagram The Science Behind Optical Etalons Understanding Optical Etalons An optical etalon, also known as a Fabry–Pérot etalon, is an optical device that consists of two parallel reflecting surfaces. These surfaces can be made of materials like fused silica, with an air gap in between, or as a solid transparent plate. When inserted into
Source: GEW UV Excimer Lamps: Understanding the Technology Excimer Lamps: Understanding the Technology Introduction Excimer lamps are a unique type of gas discharge lamps that produce ultraviolet light through excited dimers or exciplex molecules. Unlike excimer lasers, these lamps do not have a laser resonator and emit diffused light rather than coherent laser beams. Operation
Source: Ultrafast Laser Physics – ETH Zürich Understanding Thin-Disk Lasers Thin-disk lasers are a type of high-power solid-state laser that utilizes a thin disk-shaped gain medium, as opposed to conventional rod or slab lasers. This design offers several advantages, including efficient heat extraction and minimized thermal effects. Construction and Operation The thin-disk laser consists of
Source: Laser Components Understanding Infrared Emitters Understanding Infrared Emitters Thermal Emitters Thermal emitters are devices that emit thermal radiation from a heated source. They are commonly used in applications such as spectroscopy. Examples include incandescent lamps, Nernst lamps, and globars. Calibrated blackbody sources are also used, where a heated ceramic tube emits thermal radiation. Pulsable
