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Calculate polarization energy over a set of cuboids
Aug 7, 2018
Replies
5
Views
1K
Why is a state with large number of photons not classical?
Aug 7, 2018
Replies
10
Views
2K
Destructive interference for distance-specific illumination?
Aug 6, 2018
Replies
4
Views
2K
Light beam propulsion without lasers?
Aug 5, 2018
Replies
25
Views
4K
Coherence pattern of HeNe laser in interferometer
Aug 1, 2018
Replies
17
Views
3K
Reflection of only visible (safe) light on moon/mars
Aug 1, 2018
Replies
5
Views
2K
How do electromagnetic waves from the sun vary in wavelength?
Jul 25, 2018
Replies
2
Views
2K
Questions about neutrinos compared to the nature of light
Jul 24, 2018
Replies
9
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2K
Why do waves diffract, really?
Jul 24, 2018
Replies
2
Views
2K
Infrared thermometry remote sensing
Jul 22, 2018
Replies
5
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2K
My Second Post: Change in Magnitude of Normal Force?
Jul 22, 2018
Replies
22
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2K
Wave / particle duality of light
Jul 20, 2018
Replies
4
Views
2K
Polarization of light using Mueller matrix
Jul 18, 2018
Replies
4
Views
2K
Uncertainty and the speed of light?
Jul 17, 2018
Replies
11
Views
3K
Difference between real and virtual objects? (optics)
Jul 17, 2018
Replies
5
Views
14K
Materials that allow IR or UV light to pass through?
Jul 17, 2018
Replies
5
Views
4K
Can we use the momentum of light to propagate spacecrafts in space?
Jul 15, 2018
Replies
3
Views
1K
On board a laser powered solar sail
Jul 14, 2018
Replies
6
Views
2K
Can you ionize metal with photons?
Jul 11, 2018
Replies
1
Views
1K
What is the unit of measurement in this X-Ray?
Jul 2, 2018
Replies
47
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7K
Have you heard of the mirage effect on the sea?
Jul 1, 2018
Replies
3
Views
1K
Intensity characterization of laser pulses
Jun 30, 2018
Replies
3
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2K
How can we visualize the movement of Photons on the water?
Jun 30, 2018
Replies
11
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2K
How to calculate the number of photons
Jun 28, 2018
Replies
5
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3K
Nonlinear Optics - Pockels effect
Jun 26, 2018
Replies
2
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2K
Can the speed of light be constant and absolute?
Jun 23, 2018
Replies
29
Views
4K
Why does the sun affect radio wave propagation?
Jun 23, 2018
Replies
12
Views
4K
How to state the laws of refraction and apply them to....
Jun 20, 2018
Replies
2
Views
1K
How to concentrate white light in a very small point?
Jun 20, 2018
Replies
4
Views
2K
How does a Ruhmkorf coil produce radio waves?
Jun 18, 2018
Replies
1
Views
981
Why is the refractive index for red lower than for blue?
Jun 17, 2018
Replies
7
Views
3K
IR camera 1550 nm IR light source
Jun 14, 2018
Replies
7
Views
3K
Interference puzzle - Where does the energy go?
Jun 12, 2018
2
Replies
53
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8K
The reality of photons (real vs virtual etc)
Jun 11, 2018
Replies
5
Views
2K
Light Reflection: Understand How Light Interacts with Materials
Jun 11, 2018
Replies
26
Views
5K
Is there a limit to how steep the refractive index gradient can be
Jun 11, 2018
Replies
6
Views
2K
Parabolic shape configuration's effect on photon volume?
Jun 10, 2018
Replies
21
Views
2K
Why the Frequency of Light Does Not Change Through a Medium
Jun 2, 2018
Replies
9
Views
4K
Single photon and double slit experiment
May 31, 2018
Replies
9
Views
3K
Speed of Light x2: Car Travel & Bullets Fired
May 29, 2018
Replies
21
Views
3K
Why adding more polarized filters results in more light passing?
May 23, 2018
Replies
13
Views
3K
How do we know that light that comes from the stars is in past?
May 23, 2018
Replies
7
Views
2K
What's the amount of energy lost in Total Internal Reflection?
May 21, 2018
Replies
4
Views
2K
Can Crystal Symmetry Explain the Lack of Optical Activity in Quartz?
May 20, 2018
Replies
2
Views
1K
How many batteries does it take to light this bulb up?
May 18, 2018
Replies
17
Views
5K
I have problem with a mirror on Michelson interferometer
May 18, 2018
Replies
2
Views
1K
What will stop me from going at the speed of light?
May 17, 2018
Replies
6
Views
2K
Real image appears in front of the mirror?
May 16, 2018
Replies
17
Views
8K
Simulate other lenses with Time of Flight (ToF) camera
May 15, 2018
Replies
22
Views
4K
Modes of Optical Fiber propagation
May 14, 2018
Replies
8
Views
2K
Visible light communication modulation schemes?
May 13, 2018
Replies
3
Views
1K
Sinusoids as Phasors, Complex Exp, I&Q and Polar form
May 12, 2018
Replies
4
Views
2K
Does Phase Change on Reflection Violate Stokes Relation?
May 11, 2018
Replies
10
Views
3K
Where can I get some hot mirror (near) infrared mirror) film
May 9, 2018
Replies
2
Views
1K
Can a photon travel slow enough to be seen by the naked eye
May 8, 2018
Replies
18
Views
3K
Difference between emission due to absorption and reflection
May 6, 2018
Replies
1
Views
1K
Turning the refraction formula into reflection: Negative index
May 5, 2018
Replies
16
Views
3K
Colored Light or Colored Object?
May 5, 2018
Replies
26
Views
3K
Apply Sign Conventions in Optics Problems Using Lens and Mirror Equations?
May 4, 2018
Replies
13
Views
10K
After a lightning bolt, what happens to the plasma?
May 3, 2018
Replies
1
Views
2K
Possible to make speckles without a Laser?
May 3, 2018
Replies
6
Views
1K
Sound Wave Interference: Investigating Null Results with Sound Level Meter Data
May 2, 2018
Replies
12
Views
2K
What can I do with an infrared camera?
May 2, 2018
Replies
6
Views
2K
Light Reflection: A 3D Designer's Guide
Apr 27, 2018
Replies
12
Views
2K
What Is the Relationship Between Photon Duration and Wavelength?
Apr 26, 2018
Replies
21
Views
3K
Imaging optics and lowest possible angle video projection?
Apr 23, 2018
Replies
3
Views
2K
How Does Feynman's Exploration of Light Diffraction Challenge Our Understanding?
Apr 21, 2018
Replies
17
Views
2K
Intensity as light passes through two quarter-wave plates?
Apr 21, 2018
Replies
5
Views
4K
When a photon is created, it instantly achieves the speed of light -- How?
Apr 18, 2018
Replies
5
Views
2K
Does Snell's Law accurately explain light refraction in water?
Apr 17, 2018
Replies
17
Views
2K
Light waves through polarizers: transverse or longitudinal?
Apr 16, 2018
Replies
17
Views
2K
Light speed travel (now "understanding the difference between weight and mass")
Apr 16, 2018
Replies
15
Views
2K
Infinitesimal, Snell's law, and ray tracing
Apr 15, 2018
Replies
7
Views
2K
Lens Math for a Semicircle and Vesica Piscis?
Apr 14, 2018
Replies
2
Views
2K
Obtaining 700nm light wavelength
Apr 13, 2018
Replies
48
Views
8K
Is the index of refraction constant for a given medium?
Apr 9, 2018
Replies
7
Views
4K
Overlaying light beams by one replacing the other where they intersect
Apr 8, 2018
2
Replies
62
Views
5K
Reflection from a small spherical mirror
Apr 7, 2018
Replies
9
Views
2K
Is there any phenomenon capable of replacing light?
Apr 5, 2018
Replies
2
Views
1K
Reflection of light in metallic surface and glass
Apr 4, 2018
Replies
10
Views
2K
Refraction of Ocean waves: Wide Headland vs Narrow
Apr 3, 2018
Replies
22
Views
8K
What's the superposition principle for group action?
Apr 2, 2018
Replies
6
Views
1K
Do Lights Move at the Same Speed?
Apr 1, 2018
Replies
6
Views
2K
Why parts of the laser ray seem brighter than other parts
Apr 1, 2018
Replies
12
Views
2K
3D subsurface laser engraving for translucent minerals?
Mar 30, 2018
Replies
5
Views
2K
Rotating mirror system for shifting a beam?
Mar 30, 2018
Replies
14
Views
2K
Velocity in polar coordinates (again)
Mar 29, 2018
Replies
2
Views
4K
Collimated light from red dot scopes?
Mar 29, 2018
Replies
16
Views
3K
Is the Speed of Light Limited by the Properties of Matter?
Mar 28, 2018
Replies
16
Views
2K
How Do Photons and Detectors Shape Our Perception of Images?
Mar 25, 2018
Replies
37
Views
4K
Laser Gravity: Can a Laser Pull Gently?
Mar 23, 2018
Replies
5
Views
1K
Nothing can travel faster than the speed of light
Mar 23, 2018
Replies
13
Views
3K
Why the speed of light squared?
Mar 22, 2018
Replies
6
Views
3K
Conservation of energy of a perfectly decoherent laser
Mar 22, 2018
Replies
12
Views
2K
When I analyze elliptical polarization using a linear polarizer....
Mar 21, 2018
Replies
2
Views
2K
How to create diffraction gratings from negative film
Mar 18, 2018
Replies
7
Views
2K
Was the Ultraviolet Catastrophe a Real Problem or Just a Fake?
Mar 17, 2018
Replies
14
Views
2K
Understanding Laser Safety Glasses: Wavelengths, Frequency, and Protection
Mar 17, 2018
Replies
16
Views
3K
Is there free software for simulating near field diffraction
Mar 17, 2018
Replies
1
Views
1K
Propagation of light in a vacuum
Mar 15, 2018
Replies
27
Views
4K
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