Source: Research Communities by Springer Nature Understanding Sensitivity in Photonics Understanding Sensitivity in Photonics In the realm of photonics, the term “sensitivity” is often employed, albeit with varying meanings that can sometimes lead to confusion. In this blog post, we will explore the different contexts in which sensitivity is used, focusing on photodetectors and other […]
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Source: RP Photonics Understanding Image Intensifiers What are Image Intensifiers? Image intensifiers are devices that amplify low-light inputs to produce visible images. They are commonly used in night vision devices and high-speed imaging applications where standard sensors or the human eye lack the necessary sensitivity. How Do Image Intensifiers Work? Image intensifiers consist of a
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Source: Nature Understanding Noise in Laser Technology: Intensity and Phase Noise Understanding Noise in Laser Technology: Intensity and Phase Noise Lasers are integral to a variety of applications in photonics, from precision measurements to fiber-optic communications. However, they can exhibit various forms of noise, which can significantly affect their performance. This article delves into the
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Source: Wasatch Photonics Understanding Transmission Gratings Introduction Transmission gratings are a type of diffraction gratings that are utilized in transmission, unlike reflection gratings which reflect incident light. They can be categorized as volume Bragg gratings or surface relief gratings, with the latter having a diffractive structure near one of their surfaces. Operation Principle Transmission gratings
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Source: LIGHT CONVERSION Understanding Fiber Cleaving in Optics Understanding Fiber Cleaving in Optics Introduction Fiber cleaving is a crucial technique in the field of fiber optics, essential for preparing optical fiber ends for various applications such as splicing, connectorization, and light launching. The goal is to achieve clean, flat surfaces that are perpendicular or at
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Source: MDPI Understanding Glass Lasers Glass lasers are a type of solid-state laser where the gain medium is a laser glass, which is doped with trivalent rare earth ions like Nd3+, Yb3+, Er3+, Tm3+, Pr3+ or Ho3+. These rare earth ions are essential for the lasing process in glass lasers. Large Glass Lasers and Amplifiers
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Source: AZoOptics Zone Plates: An Overview Zone Plates: An Overview Introduction Zone plates are optical devices used for focusing light through diffraction. Unlike traditional lenses that rely on refraction, zone plates operate based on diffraction principles. They are typically flat and have a radially varying transmissivity. Types of Zone Plates There are two main types
Source: MDPI Gain Switching in Laser Technology Gain switching is a method used in laser technology for pulse generation by quickly modulating the laser gain through the pump power. When a high pump power is rapidly applied to a laser, the laser emission is delayed, starting with weak fluorescence light that needs to be amplified
Source: ResearchGate Understanding Upper-State Lifetime in Laser Gain Media Understanding Upper-State Lifetime in Laser Gain Media Introduction to Laser Gain Media Laser gain media are materials that amplify light through the process of stimulated emission. Within these media, amplification is associated with populations in excited states, from which stimulated emission can occur. The lifetime of
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Source: Prefetch Understanding Self-Phase Modulation in Photonics Understanding Self-Phase Modulation in Photonics Self-phase modulation (SPM) is a crucial nonlinear optical effect that occurs in various photonics applications, notably in optical fibers and lasers. This phenomenon results in a time-dependent phase shift of an optical pulse as it propagates through a medium, influenced by the Kerr
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