Optics Forum

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High School Discover the True Magnification of Your Magnifying Glass: A Complete Guide
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Graduate Does Light Really Slow Down When Passing Through a Medium?
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High School Burning wood with a magnifying glass
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Graduate Fourier Analysis's relation to diffraction
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Undergrad How can an intervening lens correct an out-of-focus projected image?
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Graduate How do non planar waves reflect?
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Graduate Making negative refraction with positive index material
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High School How Does the Size of Colors in the Visible Spectrum Relate to Their Intensity?
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Undergrad What Governs the Speed of Light Itself?
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Undergrad Altering Images for Corrective Optics: Details Appreciated
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High School Discovering the True Magnification of Your Magnifying Glass: Tips and Tricks
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Undergrad Can the Doppler Effect Explain Redshift in Light?
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Undergrad How does the f-number of camera lenses affect image area?
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Undergrad Why do Yellow Tinted Glasses 'Brighten' view?
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High School Are black/gray/white considered as colors and their properties
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Graduate Sigma Polarisation: Learn What it is & How It's Defined
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Undergrad Why light fades over distance?
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Undergrad Are there particle's or masses that travel faster than light?
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Graduate A question about the polarization due to reflection
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Undergrad Refraction through Muliple media
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Undergrad Fiber optic based beam splitter
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Graduate Method for determining the difference between two similar optical wavelengths
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Graduate Reflection with a complex material
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Undergrad Debating Wave-Particle Duality of Light
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Graduate Simulating a Fabry Perot Interferometer
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Graduate How Does Electron Behavior Influence Light Reflection in Metals?
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Graduate Invisibility Cloak - new advances
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Undergrad Refraction vs Frequency Question
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Undergrad Please Explain Me Refraction of light
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Graduate Stopping light, playing with it, then releasing it.
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Graduate Why is the rest mass of photons 0?
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Graduate Optimizing Beam Size for Increased Diffraction Efficiency
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How can I project images onto a mirror for a painting project?
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Undergrad Thin Lenses: Lens Makers' Equation Proved
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Undergrad Optics Help With LED Foglights
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Undergrad Bending a laser beam's cross section possible?
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Graduate Fraunhofer diffraction and Fourier transform
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Undergrad Why does a PWM light dimmer actually work?
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High School Focal length of concave lens experiment
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Graduate Waveguiding, Modes, Organic LEDs
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Undergrad Diffusion of laser light for measuring laser power
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Graduate How do we know the maximum speed of light?
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Undergrad Measuring laser output with Lux meter
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High School Does ball pen emit laser beam?
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Undergrad Infra Red Light: How Electron Movement Creates NIR
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Undergrad Understanding the Orientation of Light Waves: Electro vs. Magnetic Aspects"
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Undergrad Can Scotch Tape Really Produce X-rays?
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Undergrad Directly measure frequency of light source
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High School Mirrors & Prisms: Reflecting Wavelengths
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High School Why Does an Object Appear Larger Underwater?
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Graduate Thought experiment: The 'perfect eye' (and a finite set of colours)
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High School Does the Prism Effect Influence the Color of Sunsets?
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High School Why can i see hidden image with a polarized spec?
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Undergrad Polarized light filtering question.
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High School Solar laser (for the lack of abetter word)
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Graduate Experimental Optics: Solving Challenges with Mach-Zhender & Fibers
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Undergrad What Does the 4a Angle Mean in Light Trails?
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High School What Damage Can Infrared Rays, Radar Waves, FM Waves, etc. Do To The Body?
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Graduate Spectral Content of Plane Wave Train
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Graduate How Do Lasers Ensure Photons Travel in the Same Direction?
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Graduate Huygens principle and single slit diffraction
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Undergrad Transverse Wave Polarization States - Ask a Question
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Undergrad Laser Reflection: Why Does it Appear Speckled?
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Graduate Total field, scatt field, incident field
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Graduate Confusion about Homogenous Broadening in Lasers
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Undergrad Plane Waves vs. Waves on a String
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High School How do light dependent resistors work with photons and electrons?
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Graduate Enhancing Light: Application for Energy Conservation?
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High School Speed of light in pure Hydrogen
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High School Understanding Ray of Light: What is it?
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Graduate Right handed vs Left handed circular polarization
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Graduate When does the phase change of \(\pi\) occur for EM wave reflections?
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High School Refraction - what's happening for real
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Graduate Challenges in Focusing X-Rays with Lenses
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Graduate Uncertainty of the speed of light in vacuum
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Graduate Are all photons the same or do they have different properties?
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Undergrad Comments on Double Slit Experiment for Accurately measuring distances?
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Graduate Expansion of polarized plane waves into spherical harmonics,
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Mirror Alignment: Keck Telescope Instrument Accuracy
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Undergrad Snell's Law Variation: Expressing with Cosines
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Graduate Light & Mirrors: Has a Physicist Ever Tried This?
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Undergrad Light intensity and photosynthetic rate
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Undergrad Finding refractive index of liquid with no parallax principle
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Graduate Energy Scattering: Meaning & Wave Equation Solution
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Graduate Why are Photons affected by gravity?
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Graduate Desructive interference = destroyed energy?
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Undergrad If matter were to travel the speed of light, would it convert to
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High School How to Put a Lens: Facing or Away from Object?
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Undergrad Is Purple the Color of Time in Light and Lightning Phenomena?
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High School Why Does Water Make a Perfect Mirror?
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Undergrad Polarization Direction of Linearly Polarized Plane Waves
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Graduate Optimizing UV Wavelengths for Germicidal Effects in Water
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Graduate Fraunhofer Diffraction Doubt
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Graduate Can sound use light as a medium to pass through?
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Graduate Photon Bandwidth Frequency Limit: Determined?
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Graduate Superpositon of energies vs. Superposition of forces
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High School Mirrors would fog up if i didnt turn the fan on
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High School Why is food cooked differently by microwaves than by an infra-red grill?
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Graduate Does Light Bend or Slow Down Due to Gravity and Medium Interactions?
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Undergrad Does polarization affect the results of the 2-slit experiment
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