Optics Forum

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Undergrad Reflection coefficient (osmosis)
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Graduate Propagation through Subwavelength Waveguide
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High School Cause of Lightning: What is the Real Explanation?
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Graduate Diffractive optics and achromaticism
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High School Why do I look different in pictures versus a mirror?
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Graduate Really confused about skylight polarization
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High School Why Do Rain Clouds Produce Lightning While Normal Clouds Don’t?
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Undergrad Help needed, no calculations just theory light and waves
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Best way to get a large rectangular magnifying mirror
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Undergrad Can a High Power Laser Melt a Prism and How to Make a Reflective Missile?
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Graduate Is a Math/CS Background Suitable for Graduate Studies in Photonics?
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High School Newbie Questions About Light & Resonance - Get Answers Here!
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Undergrad Photons and human distance perception
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Undergrad How does UV light pass a glass bulb?
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Graduate Where does a photon distort spacetime?
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Undergrad Interesting Optics Measurements?
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Undergrad Atmospheric Extinction of Light
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High School How does rainbow form? And Light Question
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Undergrad Image Formation Issue: Spherical Aberration & Fixing
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Undergrad Confused about dispersion (optics)
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Graduate Gravitational force affected by refraction?
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Undergrad Please educate me on light/matter
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High School Light Reflection: Does Electric Source Affect Places A, B & C?
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Undergrad Explaining the Speed of Light Coincidence in the Quran: A Scientific Perspective
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Undergrad What Causes the Optical Illusion in the Pale Blue Dot Photo?
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High School [optics] Those weird blue Christmas lights
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Graduate Theory Q: "Persistence of Light Inside an Impenetrable Sphere?
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High School Why can I see sharply through a very little hole?
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High School Why is there a lack of lightning during winter?
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Undergrad Naive question about the speed of light
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Graduate Is it only the speed of light in a vacuum that is constant for all observers?
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Graduate Understanding Normal Modes of Light Propagation in Anisotropic Crystals
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Undergrad Calculating Optimum Distance for Focusing Diverging Light
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High School Total Internal reflection is Glass Prism Question
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Undergrad Question about light getting through a aperture (full stops, f/#)
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Undergrad Biconcave vs Biconvex: Which Gives Greater Surface Area?
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High School Why is the speed of light constant?
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High School Reflection of light through a wine glass with water
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Graduate Calculating focal length for aspherical lenses
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Graduate Radio Wave Basics: Generating & Using Information
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Graduate What is the actual explanation of diffraction?
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Graduate A Question about Fermat's Principle
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Undergrad Order of Diffraction Explained: Animation & Detailed Explanation
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Graduate Fuel Consumption of a Ship Traveling at Near Light Speed
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High School If we were to absorb all the incident light falling upon us
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Graduate What Are Effective Methods for Mounting a Cylinder Microlens?
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Undergrad Absorbtion,reflection,and emission.
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Undergrad Using a solar cell as a qualitative test of laser intensity
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Undergrad Why does polarized light shift color in reflections on the sea?
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Undergrad Am I missing something or is this faster than light
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Undergrad CD Players: How Do They Interfere?
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Undergrad A question concerning lenses and the resulting images
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Graduate Can It Be Proven That Optics Field Amplitudes Satisfy Negative Frequencies?
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Undergrad What is transformer polarity and how does it affect the output?
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Undergrad Why is wave intensity defined as displacement^2 rather than just its magnitude?
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Undergrad How small can a prism be made?
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Undergrad How a Magnetron Produces Microwaves: A Comprehensive Guide
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High School Why does light travel so slow?
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Graduate What is the spectral response of Brilliant Blue FCF?
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Undergrad Is laser light polarized or unpolarized?
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Graduate Single Photon Emission: Examining the Evidence
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Graduate How Do Atoms Influence the Direction of Light During Refraction?
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Undergrad An infrared light that makes a stamp on a the hand visible
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Graduate What does polarization really mean?
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Graduate Metamaterials with epsilon and/or mu < 0.
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Graduate How Does Light Interact with a Slit in Single Slit Diffraction?
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High School Buying a Laser Pointer: What Can It Do?
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Graduate Descartes, lunar eclipses, and the speed of light
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Graduate Huygens' principle and the absence of back propagation
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Graduate Single slit, optics, special case
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Graduate Minimizing inter-photon distance in a non-coherent light interfer. experiment-
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Graduate Spherical Huygens Waves and Diffraction: Why Does the Situation Look Different?
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Graduate Phase velocity: Using the real or modulus of complex index of refraction?
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Undergrad Does the Mirror Equation Apply to Parabolic Mirrors?
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Undergrad Unexploited Photons: What Happens to Solar Energy?
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Undergrad Capturing the speed of sound and speed of light on video.
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Undergrad UV & Irradiance: Calculating UVA Dose for High School Project
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Undergrad If I know the Solar Hour Angle at sunrise, can I calculate twilight by simply -
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Sinusoidal Gratings: Find Info & Benefits Here
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High School Construstive Interference of Waves. Why don't They cancel Out?
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Graduate The optics of circular polarizers in photography
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Graduate Light absorption and reflection
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Undergrad What Determines the Physical Size of a Radio Wave's Amplitude?
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Undergrad How Does Rotating a Polarizing Filter Affect Sky Photography?
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High School Creating Plasma with Lasers: Can It Be Done?
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Graduate Calculation of diffraction picture (partially coherent illumination)
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Undergrad Can We Measure the Speed of Light in Different Materials?
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High School Cause of Lightning - Understand How It Happens
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High School How do scientists control the intensity of fluorescent lights?
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Undergrad Atmospheric Scattering: Why We See Sunsets Red/Orange/Yellow
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Undergrad What Causes Ball Lightning and How Does It Work?
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Undergrad Question about interference/slits/lasers
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High School Help understanding Refractive Index
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Graduate How to represent light as a sinusoidal function
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High School Build a Homemade Diffraction Grating - Ideas & Buying Guide
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Undergrad Lightspeed fast, then slowed, then fast again.
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Undergrad What is the Effect of Brewster's Angle on Refracted Light?
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High School Why Does the Sky Appear Red at Sunrise/Sunset?
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High School Optical Illusion of Water on Pavement
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Undergrad Reflections in Transmission lines
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