Optics Forum

Post thread
What Are the Best Resources to Learn About UV Sanitization?
Replies
2
Views
2K
Can Gravity Travel Faster Than Light?
Replies
25
Views
4K
Laser Energy Reflection: Understanding Photon Build-Up in a Vacuum
Replies
4
Views
3K
How does a refractometer work?
Replies
1
Views
6K
How could an object (not aerodynamic shaped) achieve flight?
Replies
2
Views
3K
Superposition: Does EM Radiation Require an EM Field Everywhere?
Replies
2
Views
2K
Mathematical shape for a lens with no spherical aberration
Replies
41
Views
16K
Understanding the Three Velocities of Light: Phase, Group, and Signal
Replies
2
Views
2K
Two way mirror on the side where you can see through it
Replies
5
Views
3K
Why Shouldn't You Put Metal Pots in a Microwave?
Replies
1
Views
22K
The Mysterious, Impossible Box: Questions & Answers
2
Replies
71
Views
12K
Light, refelection, transparency, direction?
Replies
2
Views
2K
How does laser dissipation in air affect power and intensity?
Replies
3
Views
7K
Can both a photon and it's reflection hit a particle?
Replies
5
Views
3K
Light Diffraction: Is Wavelength Affected by Slit Width?
Replies
6
Views
3K
Gps, Mobile phones microwaves and radiowaves
Replies
5
Views
5K
X-Ray Diffraction: Photon-Atom Interaction & De Broglie's Eq.
Replies
1
Views
2K
When does the photon get captured?
Replies
1
Views
3K
Can a Red Laser Create Beautiful Diffraction Patterns with Limited Materials?
Replies
7
Views
3K
What are saturable absorbers and how do they impact the behavior of lasers?
Replies
3
Views
2K
Does a photon propogate faster than c ?
Replies
16
Views
5K
Reflection of light off 4 90 degree mirrors
Replies
12
Views
5K
Where Can I Find a Tutorial for Simple Optical System Design Using Zemax?
Replies
4
Views
10K
What is the maximum path that lightning can travel?
Replies
2
Views
2K
Distance traveled by X-rays in air
Replies
1
Views
6K
Any experimental evidence of Doppler shift in light?
Replies
7
Views
2K
Light Speed Consistency: Puzzling Questions
Replies
3
Views
2K
Fiber Optics & Lasers: Light Usage
Replies
3
Views
2K
Do Photons Have Mass? Understanding the Relationship Between Mass and Energy
Replies
4
Views
2K
Einzel Lens Operating Principle
Replies
6
Views
10K
Is Light Really Slowing Down or Is It Just More Matter Between Us and the Stars?
Replies
1
Views
2K
What Limits the Distance of Reflections in Parallel Mirrors?
Replies
1
Views
1K
Discover the True Magnification of Your Magnifying Glass: A Complete Guide
Replies
1
Views
2K
Does Light Really Slow Down When Passing Through a Medium?
Replies
25
Views
7K
Burning wood with a magnifying glass
Replies
2
Views
10K
Fourier Analysis's relation to diffraction
Replies
3
Views
6K
How do non planar waves reflect?
Replies
6
Views
3K
Making negative refraction with positive index material
Replies
16
Views
4K
How Does the Size of Colors in the Visible Spectrum Relate to Their Intensity?
Replies
18
Views
7K
What Governs the Speed of Light Itself?
Replies
48
Views
8K
Altering Images for Corrective Optics: Details Appreciated
Replies
6
Views
2K
Discovering the True Magnification of Your Magnifying Glass: Tips and Tricks
Replies
1
Views
3K
Can the Doppler Effect Explain Redshift in Light?
Replies
9
Views
4K
How does the f-number of camera lenses affect image area?
Replies
1
Views
2K
Sigma Polarisation: Learn What it is & How It's Defined
Replies
4
Views
29K
Why light fades over distance?
Replies
1
Views
7K
Are there particle's or masses that travel faster than light?
Replies
34
Views
5K
A question about the polarization due to reflection
Replies
2
Views
3K
Refraction through Muliple media
Replies
9
Views
8K
Fiber optic based beam splitter
Replies
1
Views
5K
Method for determining the difference between two similar optical wavelengths
Replies
7
Views
3K
Reflection with a complex material
Replies
5
Views
2K
Debating Wave-Particle Duality of Light
Replies
17
Views
3K
How Does Electron Behavior Influence Light Reflection in Metals?
Replies
4
Views
2K
Refraction vs Frequency Question
Replies
2
Views
3K
Please Explain Me Refraction of light
Replies
11
Views
5K
Stopping light, playing with it, then releasing it.
Replies
2
Views
2K
Why is the rest mass of photons 0?
Replies
21
Views
5K
Optimizing Beam Size for Increased Diffraction Efficiency
Replies
2
Views
3K
How can I project images onto a mirror for a painting project?
Replies
6
Views
18K
Thin Lenses: Lens Makers' Equation Proved
Replies
3
Views
2K
Optics Help With LED Foglights
Replies
5
Views
2K
Bending a laser beam's cross section possible?
Replies
2
Views
3K
Fraunhofer diffraction and Fourier transform
Replies
2
Views
5K
Why does a PWM light dimmer actually work?
Replies
14
Views
8K
Focal length of concave lens experiment
Replies
1
Views
29K
Diffusion of laser light for measuring laser power
Replies
3
Views
10K
How do we know the maximum speed of light?
Replies
1
Views
3K
Measuring laser output with Lux meter
Replies
2
Views
17K
Does ball pen emit laser beam?
Replies
2
Views
2K
Infra Red Light: How Electron Movement Creates NIR
Replies
2
Views
2K
Understanding the Orientation of Light Waves: Electro vs. Magnetic Aspects"
Replies
6
Views
2K
Can Scotch Tape Really Produce X-rays?
Replies
4
Views
3K
Directly measure frequency of light source
Replies
3
Views
4K
Mirrors & Prisms: Reflecting Wavelengths
Replies
2
Views
4K
Why Does an Object Appear Larger Underwater?
Replies
6
Views
3K
Why can i see hidden image with a polarized spec?
Replies
1
Views
3K
Polarized light filtering question.
Replies
4
Views
8K
Solar laser (for the lack of abetter word)
Replies
3
Views
4K
Experimental Optics: Solving Challenges with Mach-Zhender & Fibers
Replies
4
Views
3K
What Does the 4a Angle Mean in Light Trails?
Replies
9
Views
2K
What Damage Can Infrared Rays, Radar Waves, FM Waves, etc. Do To The Body?
Replies
1
Views
13K
How Do Lasers Ensure Photons Travel in the Same Direction?
Replies
13
Views
3K
Huygens principle and single slit diffraction
Replies
1
Views
4K
Laser Reflection: Why Does it Appear Speckled?
Replies
2
Views
3K
Confusion about Homogenous Broadening in Lasers
Replies
2
Views
3K
How do light dependent resistors work with photons and electrons?
Replies
2
Views
5K
Enhancing Light: Application for Energy Conservation?
Replies
1
Views
2K
Speed of light in pure Hydrogen
Replies
10
Views
8K
Understanding Ray of Light: What is it?
Replies
14
Views
11K
Right handed vs Left handed circular polarization
Replies
8
Views
37K
Refraction - what's happening for real
Replies
6
Views
2K
Challenges in Focusing X-Rays with Lenses
Replies
18
Views
11K
Uncertainty of the speed of light in vacuum
Replies
11
Views
6K
Are all photons the same or do they have different properties?
Replies
5
Views
4K
Expansion of polarized plane waves into spherical harmonics,
Replies
12
Views
7K
Mirror Alignment: Keck Telescope Instrument Accuracy
Replies
5
Views
5K
Snell's Law Variation: Expressing with Cosines
Replies
2
Views
13K
Light & Mirrors: Has a Physicist Ever Tried This?
Replies
1
Views
2K
Light intensity and photosynthetic rate
Replies
3
Views
6K

Hot Threads

Hot Threads

Recent Insights

Back
Top