ENGLISH

Glass Lasers

Book information

Publisher
Iliffe
Year
1970
ISBN
0592027783, 9780592027784
LCC
TK7871.3 .P26
Open Library ID
OL5010600M
Language
english
Format
DJVU
Filesize
2 MB (2327418 bytes)
Pages
224\224
Topic
Physics Optics
Library
Kolxo3
DPI
600
Scanned
yes
Time added
2009-07-20 03:45:11

Description

The laser is a source of coherent radiation, in the optical region of the electromagnetic spectrum (including the ultraviolet, visible and infrared). A common feature of all types of lasers is the occurrence of inversion in the active element of the laser: a non-equilibrium state in which amplification of an electromagnetic wave passing through the active element is more probable than its absorption. This situation, which cannot occur under equilibrium conditions is achieved by a supply of energy from outside the active element. This is known as pumping the laser.

Similar books