Optics Forum

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Why is visible light invisible?
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Wave Polarization: Can EM Wave Be Circular & Horiz?
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Huygens-Fresnel principle and Diffraction
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How far does red light travel.
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6
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Rutherford Scattering in Landau book
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Experimenting the Speed of Light with Optical Fibers
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Shadow Edge in Vacuum: Intensity & Wavelength
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Reflectance to Status A Density; How to convert?
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2
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Understand Cylindrical Lens Imaging & Refs
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7
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Knowing the frequency of light
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4
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Exploring Flight Dynamics: Physics & Math for a Flight Simulator
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8
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13K
Does a Photon Change Speed When Hitting an Electron?
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9
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7K
Endless Light: A Look Into the Sphere of One Way Mirrors
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What is the process of photon emission in atoms?
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24
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Light & Mirrors: What's Reflected & Absorbed?
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2
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Why does Gravity affects Light?
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3
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Optical/Observational Perspective Question
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6
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Why do light bulbs don't explode?
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17
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7K
Would love some clarification with optics
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7
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3K
Question About Light and Nearsightedness
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10
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2K
Optical light transmission through a coating
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3
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Diffraction of water wave vs diffraction of light wave
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7K
Understanding Optics: Exploring Polarization in Interferometers
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5
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4K
Do light waves change over distance within a vacuum?
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5
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4K
Judging distance of a light source
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6
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3K
Why Does a Projected Black Background Not Make a White Screen Look Black?
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8
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Most Powerful Continuous Laser
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2
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6K
Gravity, Light & Movement: Exploring the Possibilities
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4
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2K
Diffraction grating for astronomy?
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3
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3K
Light Physics Basics: Questions & Answers for Beginners
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11
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Light used to capture anti-matter
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2
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The Mystery of Lightspeed: Exploring the Fundamental Speed of the Universe
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15
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Understanding the Doppler Effect of Light: How Speed Impacts Color Perception
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5
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Optimizing Lead Shielding for Gamma Radiation Protection
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6
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3K
Can we power a light bulb with positrons?
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8
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3K
How Does Light Interact with Different Media According to Quantum Mechanics?
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3
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Does the concept of force apply to photons without a measurable mass?
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20
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7K
Why does total internal reflection happen in glass?
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4
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3K
Earnshaw's Theorem and a photon
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6
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Optics, lenses, and light reflection
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5
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6K
How many materials follows TOTAL INTERNLAL REFLECTION
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2
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Matter @ speed of light and e=mc^2
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8
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3K
Does speed of light also mean strength of light?
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4
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4K
What is a Diffraction Limited Spot in Fluorescent Molecule Imaging?
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4
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16K
(distance)(speed of light)^2 = speed of time with units
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2
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Why can't we see the image in perpendicular light?
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7
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Photon Guns: Is It Possible to Shoot One Photon at a Time?
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Understanding Path Difference in Convex Lenses
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6
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4K
Lighting up a fluorescent lamp with a Van De Graaf generator
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7K
Exploring Photon Theory: Arguments for a Construct of Nature
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2
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1K
Why Is Huygens Construction Not Used for Double Slit Diffraction?
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2
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Optics - combination of thin lenses
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13
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9K
One question about a photon and another about light
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5
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2K
Burning Bushes: The Science Behind Water Droplets and Fire Ignition
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5
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3K
How Does Energy Flow Differ from Light Propagation in Anisotropic Media?
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2
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1K
Is It Possible for Anything to Truly Move at the Speed of Light?
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7
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Can we travel over light speed?
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8
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Optical Ray Tracing - "Y N U" Method & Aperture Stops
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8
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10K
Can an airplane land over another one both in flight?
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4
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Constant Light without a source?
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5
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Properties of Photons: Light Source, Observers & Gaps
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2
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Understanding Light Slowing in a Medium
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3
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Can Lightning Travel Through a Vacuum?
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2
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Polarisation & LCDs: How Does Darkening On Turn On Work?
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2
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Understanding the Creation of Photons by Electrons in Red LEDs
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21
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4K
Why does refraction occur differently in certain situations?
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15
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How does a photon actually carry an image
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18
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Are there commercially bought materials to make a laser?
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11
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3K
What is the role of photons in the weight and force of the universe?
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4
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What is this instrument called? - Photoptics
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3
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Optics - Scattered Fields in Stratified Media
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2
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Grasping Superposition Concept: Physics 122 (Algebra Based)
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2
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Why Does a Polarizing Filter Transmit 50% of Unpolarized Light Intensity?
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4
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Ultrashort laser pulses (is this the right forum)?
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2
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Exploring the Mysteries of Photons
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7
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Can lightning be captured in different colors through photography techniques?
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4
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What Determines the Transparency of Materials to Light?
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6
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Diffraction pattern and Fourier Transform
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3
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Does sound affect light in different mediums?
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19
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Exploring the Anatomy of the Eye: Oxygen Inside?
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6
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Create Laser Line Effect Using Prisms and a Torch
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2
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2K
Geometric optics - why pinhole bends rays like lens
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12
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Mystery of the Microwave Bugs: How Do They Survive?
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2
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Depolarizing and source linewidths
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6
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Can Diffraction Occur with Significantly Narrower Apertures?
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2
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Geometric optics - why inverted image from thin lens
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25
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How long to turn off fluorescent lights?
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10
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6K
Can a Raser Amplify Radioactive Rays Like a Laser?
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12
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Speed of force > speed of light.
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16
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Photon absorbing cloaking device
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13
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I'm new to optics: on lens please
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2
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Exploring the Excitation Dynamics of He-Ne Lasers
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2
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How do the intensities change when using a polarization beam splitter?
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4
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5K
Gravity and Light: Questions Explored
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3
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Exploring Light Speed: Can You Survive?
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4
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How does a refractometer work?
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2
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6K
Can You See Torch Light in Space?
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11
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Light a light bulb with no contact?
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6
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3K
What Are the Best Resources to Learn About UV Sanitization?
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2
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2K
Why there is interference pattern?
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2
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4K

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