Source: MDPI Understanding Mode Hopping in Lasers What is Mode Hopping? Mode hopping is a phenomenon commonly observed in single-frequency lasers where the laser can suddenly switch from operating on one resonator mode to another. This results in a quick redistribution of optical power between different modes. Causes of Mode Hops External influences such as […]
Source: ZEISS Diffractive Optics: Exploring the World of Light Manipulation Diffractive Optics: Exploring the World of Light Manipulation Introduction to Diffractive Optics Diffractive optics is a branch of optics that utilizes elements based on the diffraction of light to achieve a wide range of optical functions. These elements operate on the principle of diffraction, where
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Source: ResearchGate Understanding Parabolic Pulses in Fiber Optics Understanding Parabolic Pulses in Fiber Optics What are Parabolic Pulses? A parabolic pulse is a type of light pulse, typically an ultrashort pulse, with a temporal intensity profile that follows a parabolic shape. This unique profile extends from the pulse center to the edges where the intensity
Source: Edmund Optics Ultrafast Lasers in Scientific Research and Industrial Applications Ultrafast lasers play a crucial role in various scientific research fields and industrial applications due to their ability to generate extremely short pulses of light. These lasers have revolutionized fields such as spectroscopy, microscopy, material processing, and more. Let’s explore some of the prominent
Source: Fosco Connect Understanding Photoemissive Detectors Overview Photoemissive detectors, also known as photoelectric detectors, are devices that utilize the external photoelectric effect to detect light. They consist of a photocathode where incident light generates photoelectrons. These photoelectrons are then pulled away from the photocathode by an anode at a positive electric potential, resulting in a
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Source: Ford Understanding Focus in Optics and Laser Technology Understanding Focus in Optics and Laser Technology Focus in Geometrical Optics and Imaging In the field of optics, the term focus has several meanings that are interconnected. In geometrical optics, a focus refers to a point where different light rays converge. This convergence is crucial in
Source: 中国光学期刊网 Understanding Quasi-Phase Matching in Nonlinear Optics Introduction to Quasi-Phase Matching Quasi-phase matching (QPM) is a technique used in nonlinear optics to overcome phase mismatch in nonlinear interactions for processes like frequency conversion. Unlike traditional phase matching where a homogeneous nonlinear crystal is used, QPM involves a material with spatially modulated nonlinear properties. This
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Source: Nature Understanding Multi-Phonon Transitions in Laser Gain Media Understanding Multi-Phonon Transitions in Laser Gain Media In the realm of solid-state physics, particularly in laser technology, multi-phonon transitions play a crucial role. These transitions involve the simultaneous emission of multiple phonons, which are quanta of lattice vibrations, and are fundamental to the operation of various
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Source: Wikipedia Understanding Infrared Detectors Infrared Detectors Infrared Photodetectors Infrared detectors are used to detect infrared light. There are different types of infrared photodetectors: Infrared Photodiodes For short-wavelength near-infrared light, silicon photodiodes can be used. Beyond certain wavelengths, materials like InGaAs, germanium, and InSb are utilized. Lead salt detectors can detect longer wavelengths beyond 5
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Source: LightTrans The Gouy Phase Shift in Optics The Gouy Phase Shift in Optics Understanding the Gouy Phase Shift When light beams are confined in transverse directions, their phase evolution differs from that of a plane wave. This leads to a phenomenon known as the Gouy phase shift, particularly noticeable around the focus of the
