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Ejs Two Source Interference Model
written by Juan Aguirregabiria
edited by Wolfgang Christian
The Ejs Two Source Interference model displays the interference pattern on a screen due to two point sources.  The simulation allows an arbitrarily superposition of the two sources and shows both the current intensity and running average of the intensity on the screen.  The separation, phase difference, amplitude, wave number, and phase velocity of each point source can be changed via text boxes.  You can modify this simulation if you have Ejs installed by right-clicking within the plot and selecting "Open Ejs Model" from the pop-up menu item.  

Ejs Two Source Interference model was created using the Easy Java Simulations (Ejs) modeling tool.  It is distributed as a ready-to-run (compiled) Java archive.  Double clicking the ejs_ehu_waves_interference.jar file will run the program if Java is installed.  Ejs is a part of the Open Source Physics Project and is designed to make it easier to access, modify, and generate computer models.  Additional Ejs models for wave optics are available.  They can be found by searching ComPADRE for Open Source Physics, OSP, or Ejs.

Please note that this resource requires at least version 1.5 of Java (JRE).
1 source code document is available
Subjects Levels Resource Types
Oscillations & Waves
- Wave Motion
= Interference and Diffraction
- Lower Undergraduate
- Instructional Material
= Activity
= Interactive Simulation
Intended Users Formats Ratings
- Educators
- Professional/Practitioners
- Learners
- application/java
  • Currently 5.0/5

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Access Rights:
Free access
Restriction:
© 2008 Juan M. Aguirregabiria
Additional information is available.
Keywords:
Easy Java Simulatiomns, Ejs, OSP, Open Source Physics, interference, ripple tank, wave motion
Record Creator:
Metadata instance created August 18, 2008 by Mario Belloni
Record Updated:
June 5, 2014 by Andreu Glasmann
Last Update
when Cataloged:
August 18, 2008
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
J. Aguirregabiria, Computer Program EJS TWO SOURCE INTERFERENCE MODEL, Version 1.0 (2008), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7876&DocID=657).
AJP/PRST-PER
J. Aguirregabiria, Computer Program EJS TWO SOURCE INTERFERENCE MODEL, Version 1.0 (2008), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7876&DocID=657>.
APA Format
Aguirregabiria, J. (2008). Ejs Two Source Interference Model (Version 1.0) [Computer software]. Retrieved December 14, 2017, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7876&DocID=657
Chicago Format
Aguirregabiria, Juan. "Ejs Two Source Interference Model." Version 1.0. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7876&DocID=657 (accessed 14 December 2017).
MLA Format
Aguirregabiria, Juan. Ejs Two Source Interference Model. Vers. 1.0. Computer software. 2008. Java (JRE) 1.5. 14 Dec. 2017 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7876&DocID=657>.
BibTeX Export Format
@misc{ Author = "Juan Aguirregabiria", Title = {Ejs Two Source Interference Model}, Month = {August}, Year = {2008} }
Refer Export Format

%A Juan Aguirregabiria
%T Ejs Two Source Interference Model
%E Wolfgang Christian, (ed)
%D August 18, 2008
%U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7876&DocID=657
%O 1.0
%O application/java

EndNote Export Format

%0 Computer Program
%A Aguirregabiria, Juan
%D August 18, 2008
%T Ejs Two Source Interference Model
%E Christian, Wolfgang
%7 1.0
%8 August 18, 2008
%U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7876&DocID=657


Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.

Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Style.org: Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

The MLA Style presented is based on information from the MLA FAQ.

Ejs Two Source Interference Model:

Has the Format Of Ejs Open Source Ripple Tank Interference Model java applet

added screen effects (instantaneous patterns and average intensity patterns)  of the interference patterns for both coherent and incoherent sources fromhttp://www.cabrillo.edu/~jmccullough/Applets/OSP/Oscillations_and_Waves/waves_interference.jar by  Juan M. Aguirregabiria. now it is very easy to visualize the meaning of coherent sources

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