Title :
Diode laser sensor
Author :
Dandridge, A. ; Miles, R.O. ; Giallorenzi, T.G.
Author_Institution :
Naval Research Laboratory, Washington, USA
Abstract :
A new sensor capable of detecting sinusoidal displacements as small as ~9 ×10¿5 nm has been constructed. The sensor, employing phase modulation of light fed back into the laser cavity by an external reflector, has been successfully tested as an acoustic sensor.
Keywords :
detectors; measurement by laser beam; semiconductor junction lasers; acoustic sensor; diode laser sensor; measurement by laser beam; phase modulation; semiconductor junction lasers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19800675
