Coherent light generators – Particular beam control device – Mode locking
Patent
1985-05-24
1987-05-12
Scott, Jr., Leon
Coherent light generators
Particular beam control device
Mode locking
372 13, 372 29, 372 25, 372 38, 372 82, H01S 3098
Patent
active
046655247
ABSTRACT:
A mode-locked laser light source, i.e. a light source in which resonant longitudinal modes of the laser cavity are synchronized in phase to produce a pulsed laser output, is provided with an optical phase-lock loop, to lock the optical output pulse train to the mode-locking radio frequency drive signal. The invention provides a highly stable laser source for light pulses of picoseconds duration.
REFERENCES:
patent: 3869680 (1975-03-01), Fletcher et al.
patent: 4044316 (1977-08-01), Kennedy
patent: 4485473 (1984-11-01), Tang et al.
Optics Communications, "Highly Stable Acousto-Optic Mode-Locking Using Active Feedback", by H. Klann and J. Kuhl, pp. 390-392, vol. 38, No. 5.6, dated Sep. 1, 1981.
British Telecommunications PLC
Jr. Leon Scott
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