Interference Pattern from two coherent light sources

Click For Summary
SUMMARY

The interference pattern from two coherent light sources results in bright and dark fringes due to the phase relationship between the waves. Bright fringes occur where the waves are in phase, while dark fringes appear where they are out of phase. This phenomenon is a fundamental aspect of wave interference, and further details can be found in standard physics textbooks and on Wikipedia.

PREREQUISITES
  • Understanding of wave mechanics
  • Familiarity with coherent light sources
  • Knowledge of phase difference in wave phenomena
  • Basic principles of interference patterns
NEXT STEPS
  • Study the principles of wave interference in detail
  • Explore the concept of coherent light sources, such as lasers
  • Learn about phase difference and its impact on wave behavior
  • Review examples of interference patterns in physics textbooks
USEFUL FOR

Students of physics, educators teaching wave mechanics, and anyone interested in the principles of light interference and wave behavior.

VVS2000
Messages
150
Reaction score
17
Can anybody explain why the bright and dark fringes exist during the the interference phenomenon from two coherent sources.. I wanted to know why that specific pattern occurs
 
Science news on Phys.org
For a question that general, the answer would be that you get bright fringes where the waves are in phase and dark fringes where they are out of phase, and to see a textbook for details. The explanation on Wikipedia looks reasonable.

https://en.m.wikipedia.org/wiki/Wave_interference
 
  • Like
Likes   Reactions: VVS2000

Similar threads

High School Purity of Interference Pattern in a Classical Double-slit Experiment
  • · Replies 23 ·
Replies
23
Views
3K
Graduate Energy problem of light interference
  • · Replies 7 ·
Replies
7
Views
2K
Graduate Effects of coherence length on optical interference filter
  • · Replies 66 ·
3
Replies
66
Views
8K
Graduate The coherence length is much longer than the manufacturer claims
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad Question about wave interference and coherence
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Questions about a Laser Interferometer pattern
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Interference by reflection on a CD
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Question about two interference patterns viewed at infinity
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Newton's rings at an oblique angle of incidence of light
  • · Replies 1 ·
Replies
1
Views
2K
High School Explanation for bright fringes in Single Slit Diffraction
  • · Replies 4 ·
Replies
4
Views
2K