Introduction to lasers  [motion picture] 

 - Chicago :  Encyclopaedia Britannica Educational Corporation,  1973 
 - 1 film reel (18 min.) :  sd., col. ;  16 mm. 
<br/><br/> Three scientists - Charles Townes, Arthur Schawlow and Ali Javan who were responsible for the discovery of the laser talk about its structure and its use in the laboratory.  Illustrated by demonstrations and animated sequences 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lasers