Title :
Stabilisation of laser beam intensity at 2.5 MHz
Author :
Burck, E. Du ; Lopez, O.
Author_Institution :
Lab. de Phys. des Lasers, Univ. Paris 13, Villetaneuse, France
fDate :
11/7/2002 12:00:00 AM
Abstract :
A narrow-band controller is described, based on an FPGA device for the stabilisation of laser beam intensity at 2.5 MHz. 70 dB rejection of the amplitude modulation of a laser beam is obtained. The noise rejection near 2.5 MHz is also studied.
Keywords :
amplitude modulation; field programmable gate arrays; laser accessories; laser noise; laser stability; optical modulation; optical variables control; 2.5 MHz; AM rejection; FPGA based controller; amplitude modulation; laser beam intensity stabilisation; narrow-band controller; noise rejection;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20021001
