DocumentCode
3445955
Title
Measurement of Laser Linewidths and Coherence Lengths using a Frequency Counter
Author
Cliche, Jean-François ; Têtu, Michel
Author_Institution
DiCOS Technol. Inc.
fYear
2004
fDate
38139
Firstpage
221
Lastpage
222
Abstract
We describe how the linewidth and coherence length of high purity lasers can be estimated using a frequency counter to replace an optical interferometer of variable length. We also show theoretically and experimentally how such measurements are affected by the finite measurement time
Keywords
length measurement; light coherence; measurement by laser beam; coherence lengths; finite measurement time; frequency counter; laser linewidths; Counting circuits; Fiber lasers; Frequency estimation; Frequency measurement; Laser noise; Laser theory; Length measurement; Optical interferometry; Phase measurement; Time measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements Digest, 2004 Conference on
Conference_Location
London
Print_ISBN
0-7803-8494-6
Electronic_ISBN
0-7803-8494-6
Type
conf
DOI
10.1109/CPEM.2004.305541
Filename
4097196
Link To Document