Source: SUN Printing Understanding Opacity in Optics Understanding Opacity in Optics What is Opacity? Opacity refers to the property of a substance or object to block light, preventing it from passing through. Objects that allow light to pass through are called transparent or translucent. Types of Opacity Opacity can be perfect, where light is completely […]
Source: Wikipedia Understanding the Abbe Number in Optics The Abbe Number: A Key to Understanding Optical Dispersion Introduction to the Abbe Number The Abbe number, named after the German physicist Ernst Abbe, is a crucial parameter in optics that quantifies the dispersion of transparent materials. Dispersion refers to the way different wavelengths of light are
Source: MDPI Understanding Supercontinuum Generation in Optical Fibers Introduction Supercontinuum generation is a fascinating phenomenon that involves strong spectral broadening in optical fibers due to nonlinear effects. In this blog post, we will delve into the intricacies of supercontinuum generation, focusing on simulations and numerical analyses to understand how it works in germanosilicate single-mode fibers
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Source: Nature The Fabry–Pérot Interferometer: An Overview Operation Principle A Fabry–Pérot interferometer consists of two highly reflective mirrors with some transmissivity, forming a resonator with sharp resonances in transmission. In resonance, the input and circulating waves constructively interfere, leading to minimal reflection. In anti-resonance, most radiation is reflected. Frequency-Dependent Transmittance The resonance frequencies can be
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Source: MDPI The Importance of Finesse in Optical Resonators Understanding Finesse in Optical Resonators Finesse is a critical parameter that measures how narrow the resonances are in an optical resonator in relation to their frequency distance. It is defined as the free spectral range divided by the bandwidth of the resonances. A high finesse indicates
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Source: YouTube Understanding Luminous Intensity in Photometry Luminous Intensity in Photometry Luminous intensity is a crucial quantity in photometry used to describe a light source. It represents the amount of visible light emitted in a particular direction. This measurement takes into consideration the spectral sensitivity of the human eye, particularly under normal lighting conditions for
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Source: Simple Wikipedia Understanding Mercury Vapor Lamps Introduction Mercury vapor lamps are a type of metal vapor lamp that rely on the emission of light from mercury atoms. Mercury is unique as it has a significant vapor pressure at room temperature, allowing for its use in these lamps. Low-Pressure Mercury Vapor Lamps Low-pressure mercury vapor
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Source: Wikipedia Radiometry: Understanding the Science of Measuring Electromagnetic Radiation Radiometry: Understanding the Science of Measuring Electromagnetic Radiation Radiometry Overview Radiometry is the field of science and technology that deals with quantifying and measuring essential properties of electromagnetic radiation. This includes various forms of radiation such as visible light, infrared, ultraviolet light, radio waves, and
Source: Physics Stack Exchange Understanding Transform-Limited Pulses in Ultrafast Optics The Concept of Transform-Limited Pulses In ultrafast optics, the transform limit (or Fourier limit, Fourier transform limit) refers to the minimum pulse duration achievable for a given optical spectrum of a pulse. A pulse at this limit is termed transform limited, indicating a frequency-independent spectral
Source: Nova Photonics Understanding Lyot Filters: An Insight into Optical Filtering Understanding Lyot Filters: An Insight into Optical Filtering Optical filters are essential components in various optical systems, enabling the selective transmission of light based on wavelength. Among these, the Lyot filter is a notable type, recognized for its ability to provide precise wavelength filtering
