DocumentCode
2181630
Title
Noise reduction in an optical interferometer for picometer measurements
Author
Fujimoto, H. ; Tanaka, M. ; Nakayama, K.
Author_Institution
Nat. Res. Lab. of Metrol., Ibaraki, Japan
fYear
1994
fDate
June 27 1994-July 1 1994
Firstpage
525
Lastpage
526
Abstract
An optical interferometer with the resolution of picometer level was developed. Several techniques are exploited to reduce the output fluctuation due to the thermal drift, and air movement. The short term noise performance was better than 3 pm.<>
Keywords
interference suppression; laser beam applications; light interferometers; spatial variables measurement; thermal noise; air movement; noise reduction; optical interferometer; output fluctuation; picometer measurement; short term noise performance; thermal drift; Fluctuations; Laser beams; Noise measurement; Noise reduction; Optical beam splitting; Optical interferometry; Optical modulation; Optical noise; Optical sensors; Phase shifting interferometry;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements, 1994. Digest., 1994 Conference on
Conference_Location
Boulder, CO, USA
Print_ISBN
0-7803-1984-2
Type
conf
DOI
10.1109/CPEM.1994.333183
Filename
333183
Link To Document