Welcome to Essay Galaxy!
Home Essay Topics Join Now! Support
Essay Topics
American History
Arts and Movies
Biographies
Book Reports
Computers
Creative Writing
Economics
Education
English
Geography
Health and Medicine
Legal Issues
Miscellaneous
Music and Musicians
Poetry and Poets
Politics and Politicians
Religion
Science and Nature
Social Issues
World History
Members
Username: 
Password: 
Support
Contact Us
Got Questions?
Forgot Password
Terms of Service
Cancel Membership



Search Essays:   

This is just a FREE sample preview of the essay
Subscribe to Essay Galaxy for instant access to view the entire paper

Essay Galaxy - Lasers 2 The laser is a device that produces a beam of light. The beam is produced by a process known as stimulated emission, and the word “laser” is an acronym for the phrase “light amplification by stimulated emission of radiation.” Lasers amplify light and produce coherent light beams. A light beam is coherent when its waves or photons are in step with one another. Laser light can be made extremely intense, highly directional, and very pure in color. Light can be characterized both by its frequency, or number of wave crests passing a given point per second, and by its wavelength. Different wavelengths of light are seen as different colors. Like radio waves, light can also carry information. The information in the beam varies in the frequency or shape of the light wave. Because light waves are of much higher frequencies than radio waves, the have....

Number Of Pages: 4 Number Of Words: 1068

Got a term paper due soon and need some help quick? You have come to the right place. Essay Galaxy has over 50,000 essays, papers, and reports available for download right now! Get ideas from thousands students just like you to help make that essay perfect. Don't hesitate. Join today and get instant access to our enormous database.

Membership Options Price Savings  
1 month subscription    $19.95 recurring *
3 months subscription    $39.95 recurring $19.90
6 months subscription    $69.95 non-recurring $49.75




Credit card and check processing is provided by PayPal and is 100% safe and secure



 Copyright © 2024 Essay Galaxy.com. All rights reserved $$ Webmasters $$