Optics Forum

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What is the ideal wavelength for propagation in optic fibres?
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What is Light? Is it a EM wave or a stream of photons?
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12
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Photon Radius: Does Photon Have Energy Boundaries?
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5
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Challenging a Lidar-Laser Gun Ticket: Is It Accurate?
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8
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16K
Is the Speed of Light Constant? Debunking the Myth of a Fixed Physical Constant
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4
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Unraveling the Mystery: How Does a Photon Experience Time?
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3
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Constant limit c restricts photons to radial observation
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11
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The speed of sound and The speed of Light
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4
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Optics Q: Estimating Color in White Light from UV?
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5
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Generating of light/energy from the dissassemblement of molecular bonds
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4
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Can Light Travel Through Dimensions Without Motion?
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12
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The Speed of Light: A Constant Mystery
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20
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Parllel universe have diffrent speed of light
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1
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Propagation of Single Photon - Richard's Question
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6
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What about objects already traveling at the speed of light?
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6
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The Impact of Light on Primary Force - Understanding Speed
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13
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How does light get refracted to such a degree on the surface of the Moon?
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19
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Find the final percentage of light exiting the last polizer
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1
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Light Waves Explained: Polarization & Interferometers
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6
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How Many Watts Are Involved in Lightning?
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3
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Is Light Speed Truly Variable in Different Universe Sizes?
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15
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Can Freezing Light Overcome Limitations in Solid Surfaces?
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9
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Measuring the wavelength of light using diffraction
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1
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Why does light appear to slow down in different mediums?
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11
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Locking, at the speed of light.
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4
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Does Light Actually Have Mass?
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27
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Can Single Photons Ever Exceed the Speed of Light?
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5
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Why light diffracts and was directed to QED by Feynman
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1
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Can a fluorescent light bulb be used as an electrical generator?
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3
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6K
Converging and diverging lenses
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3
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3K
Newton assumed mass of a light particle is approaching zero
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1
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Question about shadows and what this shows about light.
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1
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3K
Why is the speed of light constant for all observers?
2
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Understanding Light Reflection and Black Bodies in Nature
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3
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7K
Can Light Be a Product of Higher Dimensions?
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4
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4K
Why Does Light Diffract When Passing Through an Aperture?
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6
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14K
Slow Light: Experiments & Observations
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1
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Relativity/speed of light/gravity
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2
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3K
What happens to relativity when light is slowed down?
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23
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12K
Can Single-Slit Diffraction Occur in Two Dimensions?
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2
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Is the speed of light really medium dependent?
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28
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7K
Can a Pulsed Plasma Laser Be Created Using Existing Laser Components?
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9
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6K
A car travelling at the speed of lights turns its brights on
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18
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What is the Doppler shift equation for light?
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3
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Lasers: Pumping & Meaning of "Pumping a Transition
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1
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New Geometrical Polar-Ring Solution for Magic Numbered Nuclei
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2
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Unraveling the Controversy: Understanding Light's Dimensions and Properties
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30
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When does light travel from a glowing iron rod to a sheet of paper?
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11
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Coriolis effect - polarised gravity?
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23
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Solving the Mystery of Light Gravity
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28
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Faster Light: Physics Impacts of New Discovery
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13
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3K
A little lightning to the head and we have magnification
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24
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8K
Light Carries Time: Nature's Compensation
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1
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Does Light Speed Relate to Sun's Rate of Burning?
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3
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Why does time stop when we travel at the speed of light?
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4
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Does Light Have Mass? Flannigan's Take on Photon Mass
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23
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Photon energy in an expanding Universe
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9
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The Mystery of Light Particle Mass
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49
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A-Level Physics: Interference & Diffraction
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2
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Lights interaction with matter
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14
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Three forces, each having a magnitude
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How much light does your average home mirror reflect?
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4
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Magnitude of g change and mt everest
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Investigating the Constancy of Light-Speed: A Call to Greater Knowledge
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3
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Is the Mass of a Photon Concentrated on One Side?
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8
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Question on effects of gravity on light and time
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5
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Light Beam Travel: Can I See Light Standing Still?
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14
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Quasar Enigmas In 'decresing Light Speed' Cosmolog
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7
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Wave/Particle Duality in Light Quanta
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15
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How Does Light Interact with Gravity Despite Being Massless?
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5
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Polarized Filters: The Surprising Effect of Red Light on Highway Headlights
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5
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Stoping light or atleast slowing it down
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10
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Relativity, time and the speed of light
2
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56
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Understanding Photons: Insights from CERN Scientists
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2
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New Theory on the Nature of Light
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16
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Why Doesn't Light Have Infinite Mass and Energy in Motion?
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3
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Understanding the Nature of Light: A New Perspective
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3
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Understanding Refraction and Snel's Law: Common Questions Answered
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14
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How Can Photons Have Energy Without Mass?
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6
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Watching Light Travel in a Coil: Is It Possible?
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2
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What function does the sign wave represent in sound and light?
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1
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What causes those reflecton pools on the road on a sunny day?
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12
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Travelling at the speed of light?
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6
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Where Does the Energy Go During Deconstructive Interference?
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8
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Is it possible to increase the speed of light? (transmissions)
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20
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What is the maximum energy that a photon can carry?
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19
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Stopping Microwave Sensors with Aluminum Foil for Homeowners
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12
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Besides Sunlight, what else is there that's useable?
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12
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Need Help Finding Magnitude of Uniform Cylinder
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1
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Does Loop Quantum Gravity Suggest Photons Can Travel Faster Than Light?
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6
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Could a Light-Transmitting Antenna Revolutionize Communication?
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6
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Do All Massless Particles Travel at the Speed of Light?
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31
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Faster than the speed of light
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61
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How can you move at the speed of light?
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6
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Wave Reflection: Absorption & Reflection Factors
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13
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Catching Up to Light: The Surprising Truth About Traveling at High Speeds
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10
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Measuring the wavelength of light?
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13
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7K
A laser is a device that uses light flashes to excite the atoms
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2
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2K
Is the Speed of Light Affected by Gravity?
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10
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6K
Can Electricity Enable Faster-Than-Light Travel?
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1
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2K

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