| 摘要 |
FIELD: physics, optics.SUBSTANCE: invention relates to fibre-optic engineering and can be used in producing microstructured fibre light guides used in optical amplifiers, lasers, spectral filters and telecommunication networks. A method of producing microstructured fibre light guides from a workpiece in which the upper end is sealed. The light guides are drawn from the lower heated end of the workpiece. To control and vary structural and physical parameters of the obtained microstructured fibre light guides, temperature of the upper part of the workpiece from the sealed end to the entrance of the furnace is controlled by an additional heater. To obtain microstructured fibre light guides with a constant external diameter, but with optical parameters which vary according to a given law along the light guide, temperature of the additional heater is varied according to a given law when drawing the light guide or a given constant temperature profile is created in the light guide.EFFECT: wider field of use of the method owing to the possibility of producing long light guides with stable internal structural parameters, high reproducibility, easy monitoring and control of parameters of the light guides and producing a light guide structure with openings of different sizes.3 cl, 6 dwg |
