RAMAN LASER(OPTIONS) AND BRAGG'S FIBER-OPTIC GRATING Russian patent published in 1997 - IPC

FIELD: laser engineering and fiber optics; pumping fiber-optic amplifiers of signals used in broad-band fiber-optic communication systems to replace electronic repeaters. SUBSTANCE: laser of 1.24 mcm wavelength has pumping source, fiber-optic conductor containing 1 to 30 mol percent of P₂O₅, fiber-optic conductor sections containing 11 to 39 mol percent of GeO₂ which are, essentially, Bragg's fiber-optic gratings each forming blind distributed mirror of optical resonator for first Strokes component and mirror functions as output distributed mirror of same resonator. EFFECT: improved design. 28 cl, 3 dwg