Optics Forum

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High School Photons as a wave traveling in a vacuum
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High School Understanding the Definition of a Photon: Debunking Common Misconceptions
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Undergrad Speed of light and particle acceleration
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Undergrad Why do fringes appear sharper with more slits in multiple slit diffraction?
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Undergrad Glass refractive index vs wavelength, exceptions?
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Undergrad Doubts in double slit experiment
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Graduate Excitation and Polarization of Light
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Undergrad Fresnel lens with focusing light
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Undergrad What Is Reflection & How Does Light Reflect?
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Graduate How do gravitational waves transfer angular momentum in general relativity?
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High School Can You Burn Anything with a 5 mW Green Laser?
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Undergrad Is existence faster than the speed of light?
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Undergrad Why Must the Slit Size Be Comparable to Wavelength for Diffraction?
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Graduate Explaining reflection and refraction in atomic level
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High School Do Atomic Particles Absorb or Reflect Light?
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Graduate Birefringence Questions | Help with Solutions
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High School Why Isn't a Mirror the Same as a White Surface?
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Graduate Light, Spacetime, & Beyond: Examining the Uninterrupted Path of Light
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High School Radio Wave Speed: Reduce Source Transmission?
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Graduate Spectral distribution of light source -> Kelvin degrees?
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Undergrad Polarizer Setup: How Does Rotating Change Polarization?
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Undergrad Here's a question on light ray optics and focal length.
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Undergrad Confusion in the secondary refrac. of light
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High School Mirror Sunglasses: How Do They Work?
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Undergrad Can Infrared Radiation Detect Extra Glossy or Thick Pages in Scanning Machines?
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Graduate How to design for Fourier filters?
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Graduate 2 particle system: Photon + Massive particle
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Undergrad Reflection of sound from open pipe
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Undergrad Does the Inverse Square Law Apply to Lasers and Perfect Lasers?
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High School Rocket acceleration after lauch and during flight
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High School Why do objects appear blurry in fog?
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High School What Happens to Electrons and Cloud Charges After Lightning Strikes?
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Undergrad Plano-Convex Lenses: Collimating Light w/ 2m Diam. at 30m Dist.
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High School Spectrum flip dependent on background
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Does my lightning rod sound worrying to you?
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Graduate Can Destructive Wave Interference Defy the Law of Energy Conservation?
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High School Is light faster in vacuum than it does in water?
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Undergrad Why Light Has No Net Charge & Can Be Bent by Gravity
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High School Reflection of Light: Understanding the Angle of Incidence & Reflection
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Undergrad Speed of Light in Gas: FAQs & Explanations
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Undergrad What is the relationship between the magnitude of a sound wave and distance?
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Undergrad How does light spread beyond a cone?
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Graduate Can underground pipes affect holographic interferometry results?
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Graduate Quarter wave plate made of anisotropic crystal
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High School How do I measure the irradiance of a particular wavelength?
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Graduate Light transmission, reflexion, refraction and diffraction at a atomic level
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Undergrad Lens Flare/Halo: Photographing in Vacuum - Effects
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Undergrad Why High Energy Needed for 3-Level Laser Inversion?
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Graduate Blue-shift due to oblique angle of the incidence
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Graduate What Causes Light to Bend in Gradients?
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Graduate Huygens' theory, point on a wavefront, secondary wavelets
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High School Understanding Diffraction of Light and the Silver Lining of Clouds
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High School Order of Magnitude: Definition & Meaning
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High School Why does my HDTV appear red when reflecting light?
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Undergrad Doppler Effect, Light, and Fan Blades
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Undergrad Polarization Confusion: Plane of Vibration vs Plane of Polarization
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High School Explaining Snell's Law in Simple Terms
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High School Do lenses bend light in a special way?
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High School What Causes Lightning? Understanding the Science Behind the Flash and Sound
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High School Maximizing Winter Sunlight for Your Solar Project: Tips from a DIY Enthusiast
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High School Gyroscopes feel lighter when spinning
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Undergrad Which direction is skylight polarized at sunset?
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Graduate Polarization of Light: Angular Momentum
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Graduate Predicting Spectral Lines: Formula for All Elements
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Undergrad How does a Reflection diffraction grating work?
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Undergrad See the Future: Optical Concept in Paycheck Movie
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Undergrad Focusing light using a pyramidal mirror setup
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Undergrad What is the equation for calculating the speed of light in different mediums?
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Undergrad Does the dipole send out light at a certain spinning speed?
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Undergrad Spectroscopy: What Do I See When I Combine Red & Green Beams?
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Undergrad Index of refraction question-.
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High School How does the EYE/LIGHT/LENSES WORK FOR REAL?
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High School Shadow Interference: What is it?
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High School Heavier Weight Lifted By Lighter
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Undergrad Monochromators and the physics behind them
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Graduate How do a photon's two fields look like
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Undergrad DIffraction vs. Inteference Help
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Undergrad Geometric Optics: Can Virtual Objects Form Images?
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Graduate Understanding the Interaction of X-Rays & Electrons
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Undergrad Doppler Law in Light: Seeing the Light Barrier
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Undergrad Mirror on the Wall: Light Reflection Mystery
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High School How do other types of optical spectrum analyzers work?
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High School Turning lightbulbs on and off makes it blow faster False or true?
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High School Young's double slit experiment presentation
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Undergrad Uniform Plane Waves vs. Plane Waves
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Undergrad Standing waves in a microwave oven
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Undergrad How Do Light Frequencies Combine to Create New Colors?
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High School Aerobatic flight and the physics principles
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High School What are the wavelengths of the primary colors of light?
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High School Microscope help: how to look at an object from the side way?
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Graduate Refraction, Fermat's Principle and Lawnmowers
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Graduate Can Photons Have Acceleration? The Uncertainty Principle and the Speed of Light
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High School Why Bluer sky with orange sunglasses
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Graduate Understanding Thin Film Interference and Color Formation in Soap Films
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Undergrad Circuit with superconducting wire 1 light year in length
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Undergrad Infrared Laser spinning a small paper
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Undergrad Can refractive index matching make a solid invisible in a liquid?
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Undergrad Polarization of a Guitar String
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High School Why do mirrors reverse left and right but not up and down?
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Undergrad Calculating Number of Images in Mirrors
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