Source: MDPI Understanding Photodarkening in Optical Materials Photodarkening in Optical Materials Introduction Photodarkening is a phenomenon observed in various transparent optical materials such as optical fibers, laser crystals, and nonlinear crystal materials. It refers to the increase in propagation losses over time when these materials are exposed to specific light wavelengths. This article explores the […]
Source: Wikipedia Understanding Shot Noise and Its Implications in Photonics Understanding Shot Noise and Its Implications in Photonics Introduction to Shot Noise Shot noise is a fundamental concept in photonics, representing a quantum noise effect that arises from the discrete nature of photons and electrons. It is a critical factor in determining the noise floor
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Source: YouTube Understanding the Füchtbauer–Ladenburg Equation in Laser Physics The Füchtbauer–Ladenburg Equation in Laser Physics Introduction The Füchtbauer–Ladenburg equation is a crucial tool in laser physics, particularly in determining the emission cross-sections of laser gain media. This equation helps in understanding the dynamics of fluorescence related to electronic transitions within a medium. By analyzing the
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Source: Wikipedia Tunable Lasers: A Comprehensive Overview Tunable lasers are versatile tools used in various scientific and industrial applications for their ability to emit light at different wavelengths. They offer flexibility and precision, making them essential in fields such as spectroscopy, microscopy, and telecommunications. In this blog post, we will explore some of the key
Source: Shutterstock The Transparent Laser The Transparent Laser: Understanding Laser Development The Challenge of Laser Development Developing lasers involves understanding the internal processes that govern their performance. While experimental tests can provide valuable data on output power and beam quality, they do not offer insights into what happens inside the device, hindering troubleshooting and optimization
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Source: Wikipedia Spectral Phase Measurement and Correction in Laser Pulses When analyzing optical pulses from lasers, it is essential to understand the spectral phase, which reveals the phase of the electric field in the frequency domain. Measuring and correcting spectral phase can provide valuable insights into pulse characteristics. Importance of Spectral Phase Complete pulse characterization
Source: EKSPLA Lamp-Pumped Lasers: Understanding the Basics Introduction Lamp-pumped lasers are a type of solid-state lasers that are optically pumped using lamps instead of laser diodes. This article delves into the key aspects of lamp-pumped lasers, including the types of lamps used, the pump chamber configuration, suitable laser gain media, and the attractions and limitations
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Source: OBI · Auf Lager Exploring Laser Technologies Laser technology has revolutionized various industries, from research to medical applications. Let’s delve into some of the key players in the laser market and their cutting-edge offerings. Ultrafast and Tunable Lasers Companies like EKPLA and Stuttgart Instruments Alpha offer femtosecond, picosecond, and nanosecond lasers with tunable wavelength systems for
Source: Department of Energy Understanding Thermal Imaging Thermal imaging, also known as infrared thermography, involves capturing images based on thermal radiation emitted by objects. This technology is used to either measure accurate temperature maps of surfaces or to provide qualitative information such as identifying hot spots without precise temperature measurements. Principles of Thermal Imaging Thermal
Source: MDPI The Advancements of Vertical External-Cavity Surface-Emitting Lasers (VECSELs) Introduction to VECSELs A Vertical External-Cavity Surface-Emitting Laser (VECSEL) is a type of semiconductor laser that can produce high optical powers in diffraction-limited beams. Compared to other semiconductor lasers, VECSELs offer advantages in terms of wavelength versatility and beam quality. Working Principle VECSELs consist of
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