Source: YouTube Understanding Wavefronts in Optics What are Wavefronts? Wavefronts are surfaces that connect points with the same phase of a monochromatic wave. They represent the spatial distribution of the wave’s phase at a given instant in time. In simpler terms, wavefronts show where the wave is at the same point in its cycle. Types […]
Source: Department of Communications Engineering Understanding Reciprocity in Absorption and Emission Cross-Sections The Principle of Reciprocity in Absorption and Emission Cross-Sections The principle of reciprocity in the context of absorption and emission cross-sections is a fundamental concept in photonics. It traces back to Albert Einstein and has significant implications in understanding transitions between electronic energy
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Source: Nature Understanding Nonlinear Polarization Rotation in Optical Fibers Understanding Nonlinear Polarization Rotation in Optical Fibers Nonlinear polarization rotation is a phenomenon that occurs when an intense optical pulse travels through an optical fiber that is not polarization-maintaining. This process results in a change in the polarization state of the light, which is influenced by
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Source: Fiberopticx Understanding p–i–n Photodiodes: Design, Advantages, and Applications Understanding p–i–n Photodiodes: Design, Advantages, and Applications Introduction to Photodiodes Photodiodes are semiconductor devices that convert light into electrical current. They play a crucial role in a variety of applications, including optical communication systems, light detection, and measurement systems. Among the different types of photodiodes, the
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Source: IPG Photonics Understanding Quasi-Continuous-Wave Operation in Lasers Quasi-Continuous-Wave Operation in Lasers Overview Quasi-continuous-wave (quasi-CW) operation in lasers involves switching on the pump source for short intervals. This approach reduces thermal effects while maintaining the laser process close to a steady state, mimicking continuous-wave operation optically. Benefits of Quasi-CW Operation The duty cycle of quasi-CW
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Source: Wikipedia Kerr Lens Mode Locking in Lasers Kerr Lens Mode Locking in Lasers Overview Kerr lens mode locking (KLM) is a technique used in lasers to achieve passive mode locking by employing an artificial saturable absorber based on Kerr lensing in the gain medium. This method allows for the generation of ultra-short pulses with
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Distributed Bragg Reflector (DBR) lasers represent a fascinating facet of laser technology, distinguished by their unique resonator design incorporating at least one DBR outside the active region, setting them apart from traditional lasers. This resonator design integrates a Bragg mirror, a reflective device founded on Bragg reflection at a periodic structure, typically functioning as a
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In the realm of laser technology, the comparison between different laser concepts becomes inevitable, especially when they serve overlapping applications. This holds particularly true for two distinct categories of solid-state lasers: bulk lasers and fiber lasers. While the advancements in fiber lasers have been remarkable in recent years, there are claims that they may eventually
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Introduction Different kinds of beam delivery systems have been developed to direct light beams from a source to specific applications, often involving lasers. This is crucial in various fields such as laser material processing, medical procedures, and industrial applications. This blog post will delve into the types of beam delivery systems, their functionalities, and the
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Introduction Optical fibers, the backbone of modern communication systems, rely on intricate principles for efficient light transmission. One crucial parameter that significantly influences their performance is the acceptance angle. In this blog post, we will delve into the intricacies of the acceptance angle, understanding its definition, calculation, and its implications in the realm of optical
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