Title :
Laser stabilisation for coherent phased-array antenna beamforming
Author :
Wilson, R.A. ; Lewis, M.F. ; Sample, P.
Author_Institution :
QinetiQ, Malvern, UK
Abstract :
We describe a 50 dB improvement to the close-in phase noise spectra of diode-pumped YAG lasers and DFBs by locking the outputs to a fibre-optic delay line frequency discriminator. This forms a compact and rugged source.
Keywords :
antenna phased arrays; beam steering; discriminators; distributed feedback lasers; laser noise; laser stability; microwave photonics; optical delay lines; optical fibres; phase noise; solid lasers; DFB lasers; close-in phase noise spectra; coherent phased-array antenna beamforming; compact rugged source; diode-pumped YAG lasers; fibre optic delay line frequency discriminator; laser stabilisation; microwave photonics; output locking; Array signal processing; Fiber lasers; Frequency; Laser feedback; Laser fusion; Laser noise; Laser radar; Laser stability; Laser tuning; Masers;
Conference_Titel :
Lasers and Electro-Optics Society, 2002. LEOS 2002. The 15th Annual Meeting of the IEEE
Print_ISBN :
0-7803-7500-9
DOI :
10.1109/LEOS.2002.1159552
