- Sapphire Fibers - High strength - Wavelength range : 0.75 to 3.5µm - Effective N.A : 0.12 - Biocompatible, non toxic, USP Class VI approved
SAPPHIRE FIBERS Sapphire optical fibers have a crystalline structure. These fibers transmit over a wide wavelength range from 0.75 to 3.5µm, and can be used at temperatures up to 2000°C. They have too a very high hardness compared to quartz fibers. APPLICATIONS Sapphire’s durability and inert nature make the crystal fiber very useful for sampling optical signals is harsh environements. These fibers can be inserted into the combustion chambers of internal combustion cylinders or turbine engines. In this way optical signal can be brought outside for spectral analysis. Fuel constituents, contaminants, combustion products and combustion chemistry can be monitored in order to control fuel mixture, flow and timing. Sapphire fibers can even be used in the fluorine plasmas used in semiconductor processing. Other applications for this type of fibers are laser delivery for medical applications. The Er:YAG laser produces a beam of wavelength at 2.94µm. This wavelength is very useful for certain types of medical and dental surgery. Sapphire not only transmits this wavelength well, but have a laser damage threshold over 1200 Joules / cm2, and is also biologically inert and autoclavable
SILVER HALIDE FIBERS The development of specialty fibers for the mid-infrared region has resulted in a core / clad Polycrystalline Infra-Red (PIR) fibers. These PIR fibers are non toxic, very flexible, transparent across a broad spectral region from 4µm to 18µm and capable of operating over the wide temperature range of –200°C up to +250°C. They are manufactured in a core/clad structure of superior quality from a silver halide solid solution (AgCl: AgBr) using an innovative vaccuum extrusion method. They have no aging effect compared to an alternative bare core silver halide fiber. APPLICATIONS Flexible delivery system for CO an CO2 laser up 50W - Flexible IR imaging systems - Remote non-contact pyrometry in the 100-600 K range - Fiber probes for IR spectroscopy.
CHALCOGENIDE FIBERS CIR-Fibers are drawn in core-clad structure with double polymer coating and characterized by a low optical losses and high flexibility. The innovative glass purification process provides the attenuation spectra free from OH-absorption band at 3µm and thus it enables CIR-fibers to be used for Er:YAG laser power delivery APPLICATIONS Chalcogenide InfraRed (CIR) fibers based on As-S-composition are the best optical fibers in the 1.5 - 6µm spectral range.
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