How a Laser Works
By Mary Bellis, About.com Guide
How a Laser Works - Step 3
How a Laser Works - Step 3
Courtesy Lawrence Livermore National Laboratory
Mirrors at each end reflect the photons back and forth, continuing this process of stimulated emission and amplification.
Previous
- Introduction - About Lasers
- How a Laser Works - Step 1
- How a Laser Works - Step 2
- How a Laser Works - Step 3
- How a Laser Works - Step 4
History of Lasers
See More About
Explore Inventors