Optics Forum

Post thread
Undergrad Understanding Coherent Length & Interference Effects
  • · Replies 4 ·
Replies
4
Views
6K
Undergrad Laser Plasma: Basics & Theory Explained
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Why Do Random Flickering Laser Patterns Appear When Viewed from an Angle?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad How do i measure light frequency?
  • · Replies 14 ·
Replies
14
Views
14K
Graduate Duration of wave packet (photon) vs coherent time
  • · Replies 4 ·
Replies
4
Views
6K
Undergrad Exploring Light Transmission with Lasers & Optical Fibers
  • · Replies 5 ·
Replies
5
Views
4K
High School Can Flour Affect the Measurement of Light's Speed?
  • · Replies 2 ·
Replies
2
Views
2K
High School Why some materials reflect light more than others?
  • · Replies 1 ·
Replies
1
Views
12K
Undergrad Why are there points of zero intensity in the single slit experiment?
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Scattering in water or atmosphere
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Coherent time vs duration time of the wave packet (photon)
  • · Replies 1 ·
Replies
1
Views
6K
Graduate Calculating Mie Scattering of Salt Particles
  • · Replies 11 ·
Replies
11
Views
15K
Undergrad Superposition of position functions
  • · Replies 2 ·
Replies
2
Views
3K
High School Light & Dark: What Happens When Light Comes In?
  • · Replies 6 ·
Replies
6
Views
4K
High School How Do You Apply the Inverse Square Law to Light Intensity?
  • · Replies 6 ·
Replies
6
Views
6K
Undergrad Does Playing the Violin on a Moving Train Demonstrate the Doppler Effect?
  • · Replies 5 ·
Replies
5
Views
4K
High School How does interference and medium affect the use of drums?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Visibility of laser light in mist of water particles
  • · Replies 1 ·
Replies
1
Views
3K
High School Why silver atoms reflect light?
  • · Replies 8 ·
Replies
8
Views
13K
Undergrad The length of laser's optical cavity. Multiple of wavelength?
  • · Replies 4 ·
Replies
4
Views
7K
High School Rainbow: Viewing Rainbows from a Lowflying Plane
  • · Replies 7 ·
Replies
7
Views
3K
Graduate What is the relationship between phase and group velocities in wave propagation?
  • · Replies 5 ·
Replies
5
Views
4K
Graduate What happens to Snell's Law when considering the atomic properties of materials?
  • · Replies 2 ·
Replies
2
Views
5K
Graduate What Happens When Interfering Polarized Light Waves in X and Y Directions?
  • · Replies 7 ·
Replies
7
Views
7K
Graduate Reverse Diffraction Research: Latest Findings
  • · Replies 3 ·
Replies
3
Views
4K
High School Build a Radio Wave Generator: How-To Guide
  • · Replies 2 ·
Replies
2
Views
15K
High School What's the shape of a microwave beam?
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad A question about meaning of polarisation of light
  • · Replies 6 ·
Replies
6
Views
4K
High School Scattering and wavelength dependence
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad What is the Limit of FPS Our Eyes See & Why?
  • · Replies 6 ·
Replies
6
Views
6K
Undergrad Question about Herschel experiment which discover Infra red light
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad What are the heaviest and lightest particles?
  • · Replies 26 ·
Replies
26
Views
24K
Undergrad Group velocity and reflective index relationship
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Explaining the Sun's Effects on Rough Surfaces Covered in Water
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Wave interference and energy conservation
  • · Replies 1 ·
Replies
1
Views
5K
Undergrad Investigating the Effects of Pregnancy Gel on Ultrasound Reflection
  • · Replies 17 ·
Replies
17
Views
6K
High School Understanding Light Refraction Through Different Mediums
  • · Replies 33 ·
2
Replies
33
Views
8K
Undergrad Is Wavelength the Only Measure of Light's Size?
  • · Replies 4 ·
Replies
4
Views
4K
High School What is the Law of Reflection for Waves on Solid Surfaces?
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Width of central maximum in a single slit diffraction pattern
  • · Replies 1 ·
Replies
1
Views
11K
Graduate Can polarization affect diffraction?
  • · Replies 11 ·
Replies
11
Views
10K
High School Why some materials have bigger refractive index than others?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Question about slowdown of the speed of light in solid medium
  • · Replies 44 ·
2
Replies
44
Views
15K
High School Is There an Easy Way to Learn HTML?
  • · Replies 15 ·
Replies
15
Views
30K
Undergrad What Happens to Light Waves When They Move Between Different Refractive Indices?
  • · Replies 8 ·
Replies
8
Views
6K
Undergrad Understanding Laser Speckle: Causes and Measurement Techniques
  • · Replies 2 ·
Replies
2
Views
4K
High School What happens with the atoms, while reflection of light?
  • · Replies 10 ·
Replies
10
Views
8K
High School Optics & Vision: Understanding the Eye
  • · Replies 12 ·
Replies
12
Views
5K
High School The color of light can be change by the change in wavelength?
  • · Replies 15 ·
Replies
15
Views
5K
Undergrad Circles of Light: Explore the Phenomenon
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Fresnel diffraction; geometrical shadow
  • · Replies 2 ·
Replies
2
Views
15K
High School Understanding the Doppler Effect and Changes in Wavelength and Amplitude
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Exploring Lens Combinations: Measuring U and Understanding the Differences
  • · Replies 1 ·
Replies
1
Views
6K
High School Why Is Glass Transparent to Visible Light?
  • · Replies 1 ·
Replies
1
Views
10K
Graduate Multiple Radio Waves and Superposition
  • · Replies 6 ·
Replies
6
Views
5K
Undergrad What causes wave diffraction and how does it impact wave behavior?
  • · Replies 6 ·
Replies
6
Views
9K
Undergrad Principle of Light Emission: Discredited or Excitation?
  • · Replies 16 ·
Replies
16
Views
5K
High School Fluid appearing colorless when poured
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Closed Environment Sound at Light
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Can light travel faster than its regular speed through a fiber?
  • · Replies 2 ·
Replies
2
Views
4K
High School Quick Optics Question on Gratings (Small calculation)
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Destructive Interference and path difference
  • · Replies 2 ·
Replies
2
Views
5K
Undergrad What do the angles represent in terms of wavelength?
  • · Replies 5 ·
Replies
5
Views
19K
Undergrad Sign Convention - Physics - Optics
  • · Replies 2 ·
Replies
2
Views
5K
Graduate Does the photon even exist from its own perspective?
  • · Replies 10 ·
Replies
10
Views
5K
Undergrad Diffraction Grating: Questions & Answers
  • · Replies 10 ·
Replies
10
Views
4K
Graduate What is the Electric Field Strength of a Single Photon?
  • · Replies 8 ·
Replies
8
Views
3K
High School Advice on making laser ray box for teaching
  • · Replies 1 ·
Replies
1
Views
9K
Graduate (optics) phase shift definition
  • · Replies 5 ·
Replies
5
Views
7K
High School How Is Telescope Magnification Calculated?
  • · Replies 7 ·
Replies
7
Views
4K
High School Strange Refraction from Glasses
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Polarization change upon reflection
  • · Replies 8 ·
Replies
8
Views
74K
Undergrad Does the Doppler Effect Double the Color Shift of a Moving Light Source?
  • · Replies 3 ·
Replies
3
Views
6K
Undergrad Shining Light - The Physics Behind This Phenomenon?
  • · Replies 9 ·
Replies
9
Views
5K
Graduate What is the correct number of refractions for silvered lenses?
  • · Replies 14 ·
Replies
14
Views
11K
High School Why Sun Glasses Don't Have Power
  • · Replies 15 ·
Replies
15
Views
9K
High School Why Does the Absorption Spectrum Have Fewer Lines Than the Emission Spectrum?
  • · Replies 1 ·
Replies
1
Views
5K
Graduate Light speed as the processing speed of the universe
  • · Replies 6 ·
Replies
6
Views
5K
Undergrad Horizontal and vertical lines - star
  • · Replies 8 ·
Replies
8
Views
11K
Graduate Would light speed be faster with no virtual particles
  • · Replies 7 ·
Replies
7
Views
2K
High School What Light Source Was Used in the Michelson-Morley Experiment?
  • · Replies 5 ·
Replies
5
Views
4K
High School Two Rays of Light: What Color is Projected?
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Light Isn't Constant in Certain Media?
  • · Replies 2 ·
Replies
2
Views
3K
High School How i can find the magnification of a lens?
  • · Replies 6 ·
Replies
6
Views
13K
High School Foreshortening - mirror vs photo/video
  • · Replies 3 ·
Replies
3
Views
5K
Graduate Learning About Subwavelength Gratings and Effects on Light
  • · Replies 2 ·
Replies
2
Views
6K
Graduate Can We Observe Someone Returning at Double the Speed of Light?
  • · Replies 11 ·
Replies
11
Views
3K
High School Explain to me the the physics behind this picture?
  • · Replies 2 ·
Replies
2
Views
3K
High School Earth rotation and long flights
  • · Replies 7 ·
Replies
7
Views
11K
Undergrad Laser Combination: Questions & Answers for PCB Etching
  • · Replies 14 ·
Replies
14
Views
8K
High School Discover the Science Behind Light Disappearance | A Beginner's Guide"
  • · Replies 5 ·
Replies
5
Views
6K
High School Young's double slit experiment resource
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Newbie question: Why is the speed-of-light squared equal to energy/mass?
  • · Replies 5 ·
Replies
5
Views
10K
Graduate Convergence of light rays and Optical Path Length (OPL)
  • · Replies 4 ·
Replies
4
Views
2K
High School How Does Laser Interaction Impact Air?
  • · Replies 3 ·
Replies
3
Views
3K
High School Sound Wave Laser: Harnessing for Demolition with Accuracy?
  • · Replies 5 ·
Replies
5
Views
3K
High School I was changing a light pendant today
  • · Replies 4 ·
Replies
4
Views
2K
Graduate If we see wavelengths from 0.4 mm (blue) (not 400nm) and 0.7 mm(red) (not 700nm)
  • · Replies 20 ·
Replies
20
Views
4K
Undergrad Understanding Intensity in Double-Slit Interference: Help Needed
  • · Replies 42 ·
2
Replies
42
Views
8K
High School Debunking the Myth: The Truth About Sunlight and Color Scattering
  • · Replies 10 ·
Replies
10
Views
3K