Optics Forum

Post thread
Force of gravity between photon and earth
Replies
4
Views
2K
Optics Equation: What Assumptions Lead to n1f1=-n2f2?
Replies
2
Views
2K
Lens can focus the light to a smaller spot by ?
Replies
3
Views
4K
Prove how focus of a spherical mirror = Radius of curvature/2
Replies
4
Views
49K
What Are the Latest Laser Cooling Techniques for Nd:YAG Lasers?
Replies
6
Views
4K
Angle Of Deviation - An Optics Problem, help needed in optics
Replies
6
Views
8K
Why is visible light invisible?
Replies
5
Views
16K
Wave Polarization: Can EM Wave Be Circular & Horiz?
Replies
3
Views
3K
How far does red light travel.
Replies
6
Views
7K
[Q] The way of phase shifting of reflection light
Replies
1
Views
3K
Experimenting the Speed of Light with Optical Fibers
Replies
6
Views
6K
Shadow Edge in Vacuum: Intensity & Wavelength
Replies
2
Views
2K
Understand Cylindrical Lens Imaging & Refs
Replies
7
Views
7K
Knowing the frequency of light
Replies
4
Views
3K
Huygens-Fresnel principle and Diffraction
Replies
1
Views
6K
Rutherford Scattering in Landau book
Replies
1
Views
3K
What Are the Key Flight Formulas and Forces Affecting Aircraft Stability?
Replies
8
Views
13K
Does a Photon Change Speed When Hitting an Electron?
Replies
9
Views
7K
Endless Light: A Look Into the Sphere of One Way Mirrors
Replies
2
Views
2K
What is the process of photon emission in atoms?
Replies
24
Views
3K
Why does Gravity affects Light?
Replies
3
Views
22K
Optical/Observational Perspective Question
Replies
6
Views
2K
Why do light bulbs don't explode?
Replies
17
Views
7K
Would love some clarification with optics
Replies
7
Views
3K
Question About Light and Nearsightedness
Replies
10
Views
2K
Optical light transmission through a coating
Replies
3
Views
3K
Diffraction of water wave vs diffraction of light wave
Replies
6
Views
7K
Reflectance to Status A Density; How to convert?
Replies
1
Views
3K
How Do Polarizations Interfere in a Sagnac Interferometer?
Replies
5
Views
5K
Do light waves change over distance within a vacuum?
Replies
5
Views
4K
Judging distance of a light source
Replies
6
Views
3K
Why Does a Projected Black Background Not Make a White Screen Look Black?
Replies
8
Views
2K
Light & Mirrors: What's Reflected & Absorbed?
Replies
1
Views
2K
Can Light and Gravity Cause a Scale to Register Weight?
Replies
4
Views
2K
Diffraction grating for astronomy?
Replies
3
Views
4K
Light Physics Basics: Questions & Answers for Beginners
Replies
11
Views
3K
Light used to capture anti-matter
Replies
2
Views
2K
Why is the speed of light defined as C in our universe?
Replies
15
Views
27K
Understanding the Doppler Effect of Light: How Speed Impacts Color Perception
Replies
5
Views
3K
Most Powerful Continuous Laser
Replies
1
Views
7K
Optimizing Lead Shielding for Gamma Radiation Protection
Replies
6
Views
3K
Can we power a light bulb with positrons?
Replies
8
Views
3K
How Does Light Interact with Different Media According to Quantum Mechanics?
Replies
3
Views
3K
Does the concept of force apply to photons without a measurable mass?
Replies
20
Views
7K
Why does total internal reflection happen in glass?
Replies
4
Views
3K
Earnshaw's Theorem and a photon
Replies
6
Views
4K
Optics, lenses, and light reflection
Replies
5
Views
6K
Matter @ speed of light and e=mc^2
Replies
8
Views
3K
Does speed of light also mean strength of light?
Replies
4
Views
4K
What is a Diffraction Limited Spot in Fluorescent Molecule Imaging?
Replies
4
Views
16K
(distance)(speed of light)^2 = speed of time with units
Replies
2
Views
2K
Why can't we see the image in perpendicular light?
Replies
7
Views
4K
Photon Guns: Is It Possible to Shoot One Photon at a Time?
Replies
8
Views
6K
How many materials follows TOTAL INTERNLAL REFLECTION
Replies
1
Views
2K
Understanding Path Difference in Convex Lenses
Replies
6
Views
5K
Optics - combination of thin lenses
Replies
13
Views
10K
One question about a photon and another about light
Replies
5
Views
2K
Burning Bushes: The Science Behind Water Droplets and Fire Ignition
Replies
5
Views
3K
Lighting up a fluorescent lamp with a Van De Graaf generator
Replies
1
Views
7K
Is It Possible for Anything to Truly Move at the Speed of Light?
Replies
7
Views
2K
Can we travel over light speed?
Replies
8
Views
6K
Why Is Huygens Construction Not Used for Double Slit Diffraction?
Replies
1
Views
3K
Optical Ray Tracing - "Y N U" Method & Aperture Stops
Replies
8
Views
10K
Can an airplane land over another one both in flight?
Replies
4
Views
2K
How Does Energy Flow Differ from Light Propagation in Anisotropic Media?
Replies
1
Views
2K
Constant Light without a source?
Replies
5
Views
4K
Properties of Photons: Light Source, Observers & Gaps
Replies
2
Views
3K
Understanding Light Slowing in a Medium
Replies
3
Views
4K
Understanding the Creation of Photons by Electrons in Red LEDs
Replies
21
Views
4K
Why does refraction occur differently in certain situations?
Replies
15
Views
3K
How does a photon actually carry an image
Replies
18
Views
12K
Are there commercially bought materials to make a laser?
Replies
11
Views
3K
What is the role of photons in the weight and force of the universe?
Replies
4
Views
3K
What is this instrument called? - Photoptics
Replies
3
Views
2K
Can Lightning Travel Through a Vacuum?
Replies
1
Views
9K
Why Does a Polarizing Filter Transmit 50% of Unpolarized Light Intensity?
Replies
4
Views
15K
What Are the Secrets Behind Photon Behavior and Speed?
Replies
7
Views
6K
Can lightning be captured in different colors through photography techniques?
Replies
4
Views
3K
What Determines the Transparency of Materials to Light?
Replies
6
Views
6K
Diffraction pattern and Fourier Transform
Replies
3
Views
4K
Polarisation & LCDs: How Does Darkening On Turn On Work?
Replies
1
Views
2K
Does sound affect light in different mediums?
Replies
19
Views
15K
Is the Inside of the Eye Filled with Oxygen or Something Else?
Replies
6
Views
2K
Create Laser Line Effect Using Prisms and a Torch
Replies
2
Views
2K
Geometric optics - why pinhole bends rays like lens
Replies
12
Views
8K
Depolarizing and source linewidths
Replies
6
Views
2K
Can Diffraction Occur with Significantly Narrower Apertures?
Replies
2
Views
9K
Geometric optics - why inverted image from thin lens
Replies
25
Views
17K
Mystery of the Microwave Bugs: How Do They Survive?
Replies
1
Views
5K
How long to turn off fluorescent lights?
Replies
10
Views
6K
Can a Raser Amplify Radioactive Rays Like a Laser?
Replies
12
Views
5K
Speed of force > speed of light.
Replies
16
Views
3K
Photon absorbing cloaking device
Replies
13
Views
3K
I'm new to optics: on lens please
Replies
2
Views
2K
Why Are Only He Atoms Excited in He-Ne Lasers?
Replies
2
Views
2K
How do the intensities change when using a polarization beam splitter?
Replies
4
Views
5K
Gravity and Light: Questions Explored
Replies
3
Views
3K
Can You Survive Traveling at the Speed of Light?
Replies
4
Views
3K
Can You See Torch Light in Space?
Replies
11
Views
3K
Light a light bulb with no contact?
Replies
6
Views
4K

Hot Threads

Hot Threads

Recent Insights

Back
Top