Optics Forum

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Polarization by half-silvered mirror?
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4K
Trouble understanding ray optics
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2
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2K
If Oxygen is flammable why dont we blow up while we were using a cigar lighter
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32
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6K
Lightning Rod Tip Radii: Why So Small?
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5
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3K
Sodium street lamps and the light they emit
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1
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De borgie relation and photon energy
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4
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Does light travel at the speed of light?
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6
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Why light bends when it enters a different medium
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3
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Project light visibly on glass to create images?
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3
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9K
Question on a diffractive property of light
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8
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3K
Laser refraction through curved surface and water
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5
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5K
Conservation of energy and light
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8
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How can I build an optics bench for a science exhibit?
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1
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5K
What is the Difference Between Diffraction and Interference?
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6
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8K
Hi,I want to ask how can i refract or reflect radio wave
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3
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3K
Information transmitted faster than light?
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30
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6K
Diffraction and phase difference
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2
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5K
[Optics] Starting a fire with a magnifying glass
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10
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18K
Negative Energy Solutions to Photon Wavefunction
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6
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4K
Is the speed of light always constant, even in non-vacuum environments?
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5
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How is the speed of light constant?
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Uncertainty in the mesurements of a meter and the speed of light
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7
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The nature of radio waves Question.
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What Are the Implications of Light's Speed on Perception and Knowledge?
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An Alternative Model of the Double Slit Interference Experiment
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24
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24K
Optical Spectrum Analyzers - Confused on Units
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3
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2K
Creative Optics Experiment Ideas for First-Year Physics Students
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DIY Strobe Light with Adjustable Frequency: Troubleshooting Tips
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1
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2K
Speed of light through a medium
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4
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Why Does Light Reflect? - Unraveling the Mystery
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5
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3K
Increase Laser Power out of fiber optic
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3
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3K
Optimizing Laser Beam Expansion for Long-Distance Scanning Applications
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6
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5K
Understanding Optical Tunneling
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2
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What's the Flight Distance of Identical Objects with Different Masses?
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13
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Physics of Microwaves: Find Out Why Glass Gets Hot
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6
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Light vs Radio attenuation in water
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1
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4K
Which color reflect UV light best?
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5
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42K
Where Does Electromagnetic Energy Go?
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1
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2K
A question about mirrors and images
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1
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2K
Why Do Sunglasses Have Zero Power?
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2
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2K
Mirrors & Photons: More Light in 6' x 6' Room w/Mirror?
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15
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4K
Light: Electron Deflection Q&A
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7
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2K
Can black lines on a mirror cause diffraction of light?
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2
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2K
Why I can burn a paper with magnifying glass and sun?
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36
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101K
Lots of questions on wave optics
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6
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3K
Polarization states of light in 2D
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7
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Violet light produced from green He-Ne laser?
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8
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4K
Do E and B Fields Distort When Focusing Photons with a Lens?
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6
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3K
Diffraction, refraction & reflection
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12
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Interference occurs, if two waves are said to be coherent
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3
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2K
What is the Cutoff Wavelength for a Photon Passing Through a Waveguide?
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2
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2K
Greetings, how does light travel through the glass?
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1
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2K
Scientist makes radio waves travel faster than light
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21
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15K
Do lasers suffer R^2 propagation loss
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25
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19K
Wavelength Function and Diffraction Orders Explained
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1
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3K
What color would a door painted with ultraviolet paint appear to be?
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15
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Color\Light efficiency in imaging systems
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3
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Times of flight for projectiles
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2
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Dissipation of Light: Measuring Intensity & Energy Loss
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1
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The Nature of Photons: Do They Truly Travel Between Points A and B?
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14
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Question: Time in Zero Velocity as Opposed to Light-Speed
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2
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How to Safely Clean and Remove Residues from a Polarizing Beamsplitter Cube
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2
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3K
Scientists build world's first anti-laser
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1
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Kirchoff's radiative balance law and polarisation of emitted light
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5
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How Does a Mirror Work and Why Doesn't It Look Blue?
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6
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Total internal reflection zero
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6
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How can i calculate the brightness of moon's light at night on the earth?
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6
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8K
Why Don’t Photons Get Trapped Forever Between Two Mirrors?
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13
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Laser Beam Destructive Interference
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5
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Why do x rays travel faster than light in some states of matter
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Can Photons Interact with Each Other Through Electron Mediation?
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25
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How Do Optic Fibers Minimize Interference While Transmitting Information?
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3
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Clarification required: polarization density and displacement field
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6
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Is Light Truly Discrete or Merely a Manifestation of Matter's Nature?
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Sources for the diffracted waves
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Why Does Light Disappear When the Source is Turned Off?
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3
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Losses involved in reflection and refraction
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Feynman says photons ARE particles
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19
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Laser beams in the frequency range of of microwaves
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Snell's law and the concept of critical angle
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15
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11K
What happens when you pass red light through different colored glass?
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1
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Light and our rate of perception
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1
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Optical Phase Detection Techniques for Improved Noise Floors in Interferometers
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1
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Entangled Frankenstein Photons
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11
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Damping of a Laser Beam: Understanding the Science and Equations
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2
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How photons create an image via the brain
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10
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Application of microwave beams
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10
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180 degree Compton Scattering: low versus high energy initial photon
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5
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How does my microwave oven affect a wireless router?
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9
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Piano & Penny vs Feather Dropped from Empire State Building
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5
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The nature of light from colored(visual) materials
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2
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If photons have no mass, then how can they travel the speed of light?
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33
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7K
Where Does the Green Go at Twilight?
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2
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Harnessing Solar Energy with Fresnel Lenses
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9
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Photon Emission: Atom Collapse & Radial Forces Explained
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2
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Change in velocity of light with change in optical density
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1
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How does refractive index matching make a solid disappear in a liquid?
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2
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Precession of a football in flight
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8
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Making a Fresnel Lens for Solar Water Purification
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1
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3K
Absolute Zero & Speed of Light
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15
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