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Stack and draw fabrication of soft glass microstructured fiber optics

Pysz D., Kujawa I., Stępień R., Klimczak M., Filipkowski A., Franczyk M., Kociszewski L., Buźniak J., Haraśny K., Buczyński R.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2014

Vol. 62, nr 4

667--682

A broad review is given of microstructured fiber optics components - light guides, image guides, multicapillary arrays, and photonic crystal fibers - fabricated using the stack-and-draw method from various in-house synthesized oxide soft glasses at the Glass Department of the Institute of Electronic Materials Technology (ITME). The discussion covers fundamental aspects of stack-and-draw technology used at ITME, through design methods, soft glass material issues and parameters, to demonstration of representative examples of fabricated structures and an experimental characterization of their optical properties and results obtained in typical applications. Specifically, demonstrators include microstructured image guides providing resolution of up to 16000 pixels sized up to 20 μm in diameter, and various photonic crystal fibers (PCFs): index-guiding regular lattice air-hole PCFs, hollow core photonic bandgap PCFs, or specialty PCFs like highly birefringent microstructured fibers or highly nonlinear fibers for supercontinuum generation. The presented content is put into context of previous work in the area reported by the group of authors, as well as other research team.

Szkła ołowiowo-bizmutowe na włókna mikrostrukturalne i elementy mikrooptyczne dla średniej podczerwieni

Stępień R., Buczyński R., Pysz D., Kujawa I.

Materiały Ceramiczne

2012

T. 64, nr 2

219-224

Szkła trójskładnikowe PbO-Bi2O3-Ga2O3 charakteryzują się wysoką przepuszczalnością średniej podczerwieni (do 8 µm), ale odznaczają się dużą skłonnością do krystalizacji. W celu podwyższenia trwałości termicznej szkieł ich skład modyfikowano dodatkami GeO2, SiO2, Tl2O, CdO, Nb2O5. Uzyskano szkła nadające się do wytwarzania włókien mikrostrukturalnych i elementów mikrooptycznych. Wzrost odporności termicznej szkieł okupiony został przesunięciem progu absorpcji w kierunku krótszych fal.

Three component PbO-Bi2O3-Ga2O3 glasses are characterized by high middle infrared transmittance up to 8 ?m, but they show large susceptibility for crystallization. For a rise of the thermal stability of glasses, their compositions were modifi ed by addition of GeO2, SiO2, Tl2O, CdO, Nb2O5. There have been obtained the glasses that can be suitable for the manufacturing of microstructured fibers and microoptical elements. The growth of thermal stability of glasses unfavourably resulted in an IR absorption cut off shift into shorter wavelengths.

Optimizing the Structure of Vector Bend and Strain Sensor on the Base of Three-Core Microstructured Fiber

Goncharenko I., Marciniak M., Konojko A., Reabtsev V.

Journal of Telecommunications and Information Technology

2012

nr 4

63-69

In the paper the optical sensor allowing measuring a direction, values and localization of bends and stresses in building structures is described. The sensitive element of the sensor is the microstructured fiber with three cores. The use of three-core fiber makes it possible to define the direction of deformation. Distribution of mode fields in fiber cores depending on fiber structure and bend value and direction is analyzed. The optimization of the sensitive element parameters depending on the application is proposed.