Optics Forum

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Laser, color and speed of light
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15
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16K
Guiding Wave Through Diffraction in Photonic Crystal Fiber
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2
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3K
Can Spaceships Reach Light Speed Due to Permeability and Permittivity?
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7
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Questions About Light: Mass, Inertia & Acceleration
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5
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The Truth About the Speed of Light: Debunking the Myth of an Absolute Limit
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6
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3K
Questions on Geometrical Optics Answered
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1
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3K
Exploring the Science Behind Non-Reflective Coatings for Cameras and Binoculars
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3
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Nature of Light Speed's Maximum
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17
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Why is the speed of light used in the equation E=mc^2?
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7
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Does Gravity Cause Refraction Similar to Light?
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3
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Interference, Diffraction, Diffraction Grading
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1
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Speed of light is measured by all observers
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66
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8K
Why we use composed lentiform in optical science?
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1
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Foundational Value of Light: Physics Foundations & Human Logic
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26
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Polarization of skylight, and polarization by reflection
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1
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7K
Experience Realistic Lens Simulation with Our Convex Lens Program
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3
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6K
Speed of Light vs. Sound: What Would Change?
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3
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2K
Why Does a Diffraction Grating Not Show Intermediate Intensity Patterns?
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1
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3K
Light Refraction and Wavelength / Frequency
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2
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7K
What are the implications of an undetectable particle in the field of science?
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5
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Speed of light equal for all observers
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4
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Can the Brain Differentiate Individual Sound Waves in Superposition?
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6
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8K
The Speed of Light = Zero: Is This the Ultimate Limit?
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13
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9K
Light speed relative to universal speed
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9
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What Did Gustaf Dalén Invent to Win the Nobel Prize for Physics?
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2
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What is the angle of reflection
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9
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3K
Photon Manipulation: Can We Redirect and Teleport?
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22
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Faster than Light: 2D Photon Field?
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2
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Is it possible that light doesn't 'propagate' in a vacuum?
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13
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3K
Is it possible to travel 1000 light years in an instant at the speed of light?
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1
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2K
Luminous vs. Nonluminous Light Sources
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6
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Calculating Focal Length Given L & U: Uncertainties Explained
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1
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Can Light Radiation Really Convert into Matter?
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31
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6K
What Determines the Constant Speed of Light?
3
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132
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13K
How far does a red laser beam travel in a mirrored box after 10 seconds?
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10
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3K
Photons are clocks and SR says they shouldn't tick
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9
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3K
SR and one-way speed of light tests
3
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100
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15K
Unraveling the Mystery of Time vs Light: A Question for Physics Enthusiasts
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11
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3K
What Happens to Headlights on a Spaceship Traveling at Light Speed?
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12
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Infared light - lenses and ink
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2
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5K
Do sound and light have anything in common?
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6
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10K
Energy = mass * c^2 where c=speed of light
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32
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Diffraction limit on resolution on camera lens
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7
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8K
Redshift Mechanisms and Supernova Lightcurves
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9
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3K
Effect of Partial Covering on Lenses and Mirrors
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6
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8K
Where can I find resources to grasp lens reflections?
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2
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2K
Minimal Interference from Buildings and Houses on Broadcast Reception
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1
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3K
Diffraction grating of white light
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2
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16K
How do microwave ovens ACTUALLY work?
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3
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30K
How Far Can a Photon Travel in Our Atmosphere?
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5
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11K
Calculating the Acceleration of a Golf Ball Flight
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43
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15K
Laser in underwater lidar application?
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3
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2K
Laser Theory Tutorials: Find an Excellent Site
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2
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6K
Can Bees Fly Like Planes? Understanding the Physics of Their Flight Mechanics
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9
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Crest and Trough of a light wave
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3
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9K
Donut approaching the speed of light
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1
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Light Perception: Exploring Einstein's Velocity Addition Formula
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1
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Seeing the Past: Can Light Traveling in Space be Observed?
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6
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What Is the Connection Between Photons and Gravity?
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20
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Help with Physics of Airplane Flight - Glider Planes, Lift/Drag/Air Resistance
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2
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Uncovering the Wave-Particle Duality of Light: A Comprehensive Theory Explained
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26
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What has both magnitude and direction?
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10
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Manufacturing compact pulsed microlaser source in blue/green
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1
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2K
Would Traveling at the Speed of Light Freeze Time for Everyone Else?
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15
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Even more light, a second kind.
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2
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Can a Bubble Increase Radio Wave Refraction Effectively?
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3
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Why do light rays bend towards the center after exiting a convex lens?
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6
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3K
Is the U228 Electron Really Faster Than the Speed of Light?
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10
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4K
Does the human eye have limitations on detecting black surfaces?
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8
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10K
Why Does Light Experience Time Differently Than Objects with Mass?
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8
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What became of light has slowed theory?
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2
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Particle / wave duality on a scale of light frequencies.
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194
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24K
Has a Light Plane sensor been invented?
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3
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3K
Rotational velocity and the speed of light
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13
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The energy and the faster-than-light motion of the quasar
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1
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Is VSL the Key to Interstellar Communication and the Fate of Humanity?
2
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54
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9K
Eureka! Light as Particle & Wave Unveiled
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4
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Weight of light and Gravity Speed
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3
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Understanding the Mass of Light: Wave or Quanta?
2
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53
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Distance measurement with laser
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3
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6K
Interference of Light: Perpendicular Beams
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4
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Unraveling the Length of Photon in Radio Waves
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10
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Can We Reach the Speed of Light?
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11
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Debunking Simon's Theory of Light: The Contradictions and Flaws Exposed
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18
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How can you see light that is traveling away from the observer?
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42
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8K
Double start - characteristic frequencies of the light
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2
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Black and White Mirror / Narrow Band Mirror
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2
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11K
Answer Light Theory Question: Why Reduced Magnification Underwater?
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3
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Explain Photons: Definition & Explanation
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3
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Question about light waves (and speed of)
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2
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3K
Optics, concerning a thin film
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4
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3K
What Determines Light Intensity?
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27
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110K
Mirage, refraction or reflection
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23
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33K
Build a laser capable of cuting intricate designs out of thin metal
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16
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3K
Can light be a medium for sound?
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7
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Understanding the Speed of Light Limit - Richard
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22
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Why Are Plants Green? | Plant & Light
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13
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Why Can't Massive Objects Travel at the Speed of Light While Massless Ones Can?
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3
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How would you describe what a photon is?
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4
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3K
What is the ideal wavelength for propagation in optic fibres?
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8
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4K

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