Fiber Optics - Acrylic Tube



Image #2

content.gif (1503 bytes)
 Code Number :   6A44.43 

Disclaimer:

Reprinted by permission of Dick Berg, University of Maryland, for use on this website.

The demonstrations contained and referenced herein are listed for the purposes of cataloging and describing physics demonstrations which should be conducted only under the direction of a trained instructional support professional or physicist. These demonstrations are not presented for the purpose of being conducted by persons unconnected to this Facility and/or persons not consulting with or being supervised by the recognized instructional support professional or physicist and his/her staff. The University is responsible only for those demonstrations carried out using its own equipment using established safety and scheduling policies, and bears no responsibility for those choosing to use this source material for their own purposes. All demonstrations described and contained herein are public domain, and can also be found in reference materials in libraries, bookstores, and electronic sources.

Further information regarding legal liability in use of demonstrations and labs will be found on the web site Injuries in School/College Laboratories in USA.

The University of Iowa Disclaimers:  University of Iowa Disclaimer All Rights Reserved..

Condition :   Excellent  
Principle :   Critical Angle and Total Internal Reflection
Area of Study :  Optics  
Equipment :   Laser, notched circular tube.  
Procedure :   Set the laser up at an angle of 90 degrees to the notch.  When observed the laser beam should spiral down through the Plexiglas tube.
conbot.gif (53 bytes)


   References
                                                                        B. G. Eaton,  "Internal Reflection Demonstration,"  AJP, p. 182, Vol. 53, No. 2, (February 1985).

O-255:  "Fiber Optics - Rod, Ball & Cyl.,"  DICK and RAE Physics Demo Notebook. 



Created by Robert Johnson, Jeremy Eble, Chad Johnson, and Adam Johanns.