Spectrum Newsletter - 2014

Page 16

theSpectrum

Adam Beehler’s Demolicious Physics presents:

LEAKAGE ASER

Lecture Demonstration Specialist beehler@physics.utah.edu An optical table, pictured here, is commonly used in research labs for optics experiments. These tables typically consist of an arrangement of adjustable light sources (lasers), lenses, and prisms.

Lasers are cool! What did we ever do before they were invented? They sure make doing lecture demonstrations easier! Like most things that are developed for good purposes though, there are some things of which we should be made aware. This article focuses on the dangerous infrared (IR) radiation that many common laser pointers emit. 16