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ERIC Number: EJ1083330
Record Type: Journal
Publication Date: 2006-Dec
Pages: 4
Abstractor: As Provided
ISSN: ISSN-0031-921X
A Simple Laser Microphone for Classroom Demonstration
Moses, James M.; Trout, K. P.
Physics Teacher, v44 n9 p600-603 Dec 2006
Communication through the modulation of electromagnetic radiation has become a foundational technique in modern technology. In this paper we discuss a modern day method of eavesdropping based upon the modulation of laser light reflected from a window pane. A simple and affordable classroom demonstration of a "laser microphone" is described.
American Association of Physics Teachers. One Physics Ellipse, College Park, MD 20740. Tel: 301-209-3300; Fax: 301-209-0845; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A