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- W3148320321 abstract "Abstract – In this report the monitoring method of PCF po-sitioning at the connection process is offered. It is based on the matched filtration principle in the form of autoconvolution. Equations which connected PCF core axis coordinates with the maximum value of optical field intensity autoconvolution was obtained. It is shown that optical fiber displacement relatively base coordinates corresponds to half coordinates of autoconvo-lution maximum. Researches have shown that the offered me-thod possesses high noiseproof factor and much higher accu-racy in comparison with an integrated method. Index Terms – Autoconvolution, connect, optical intensity distribution, photonic crystal fiber (PCF) I. I NTRODUCTION The scope of new type optical fibers, named photonic-crystal fibers (PCF), extends in the electronic techniques recently. There are air canals in PCF cladding unlike ordi-nary fibers. It is possible to change PCF optical properties over a wide diapason depending on geometry, channels sizes, interval between them and also their relative position-ing (in the form of a hexagonal or a casual channels posi-tioning). Therefore, even the slightest deformation of PCF geometry very strongly influences on a fiber optical charac-teristics, so and on a signal transmission. In many cases, for example at installation of functional electronics elements based on PCF, there is a need of PCF connections among themselves or with ordinary fibers. It inevitably leads to occurrence of PCF geometry deforma-tions and various displacements. As it is known, allowable displacement excess leads to considerable increase of inser-tion optical losses. One of the main problem at maintenance of insertion losses low level is the definition of a spatial location of positioning objects, in particular PCF, concern-ing base coordinates. As the last, can by cores axes of inter-faced optical fibers or a base axis of the technology equip-ment. The decision of the given problem is reach by working out of the special technique, which should provide the posi-tioning errors not exceeding percentage units of controllable value and making the tenth part of a micrometer. The ma-" @default.
- W3148320321 created "2021-04-13" @default.
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- W3148320321 date "2008-01-01" @default.
- W3148320321 modified "2023-09-27" @default.
- W3148320321 title "Monitoring of Photonic-Crystal Fibers Positioning in the Connection Process" @default.
- W3148320321 hasPublicationYear "2008" @default.
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