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'Hair-thin' optical fibers promise performance innovations


‘Hair-thin’ optical fibers promise performance innovations
26 Jan 2021
University of Bonn team makes fine fibres simply; predicts applications in quantum, sensors, and gas detection.
Miniaturised optical filter is located in the central slot of the sleeve mount.Scientists at the University of Bonn, Germany, have developed hair-thin optical fibre filters in a very simple way. These are not only extremely compact and stable, but also wavelength-tunable. This means they can be used in quantum technology and as sensors for temperature or for detecting atmospheric gases.
The work is described in Optics Express.
Optical resonators or filters are key components cutting out narrow spectral lines from white light sources. In the simplest case such filters are built from two opposing mirrors passing light back and forth as precisely as the pendulum of a clock. The wavelength of the filtered light is set by the mirror separation. ....

Nordrhein Westfalen , Deepak Pandey , Dieter Meschede , Carlos Saavedra , Aachen University , University Of Bonn , Researchers Of The University Bonn , Transdisciplinary Research Area Building Blocks Of Matter , Applied Physics , Transdisciplinary Research Area , னோற்ர்ேன் வெஸ்ட்ஃபாலன் , தீபக் பாண்டே , கார்லோஸ் ஸாவிட்ர , ஆச்சென் பல்கலைக்கழகம் , பல்கலைக்கழகம் ஆஃப் பொன் , ஆராய்ச்சியாளர்கள் ஆஃப் தி பல்கலைக்கழகம் பொன் , பயன்படுத்தப்பட்டது இயற்பியல் ,

Innovations through hair-thin optical fibres


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IMAGE: The miniaturized optical filter is located in the central slot of the sleeve mount.
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Credit: © Uni Bonn
Scientists at the University of Bonn have built hair-thin optical fibre filters in a very simple way. They are not only extremely compact and stable, but also colour-tunable. This means they can be used in quantum technology and as sensors for temperature or for detecting atmospheric gases. The results have been published in the journal
Optics Express.
Optical fibers not much thicker than a human hair today not only constitute the backbone of our world-wide information exchange. They are also the basis for building extremely compact and robust sensors with very high sensitivity for temperature, chemical analysis and much more. ....

Bonn Fiberlab , Deepak Pandey , Dieter Meschede , Carlos Saavedra , Hannes Pfeifer , Aachen University , University Of Bonn , Researchers Of The University Bonn , Ministry Of Research , Transdisciplinary Research Area Building Blocks Of Matter , Institute For Applied Physics , Applied Physics , Transdisciplinary Research Area , Universidad De Guanajuato , Federal Ministry , Wolfgang Alt , Optics Express , Chemistry Physics Materials Sciences , தீபக் பாண்டே , கார்லோஸ் ஸாவிட்ர , ஆச்சென் பல்கலைக்கழகம் , பல்கலைக்கழகம் ஆஃப் பொன் , ஆராய்ச்சியாளர்கள் ஆஃப் தி பல்கலைக்கழகம் பொன் , அமைச்சகம் ஆஃப் ஆராய்ச்சி , நிறுவனம் க்கு பயன்படுத்தப்பட்டது இயற்பியல் , பயன்படுத்தப்பட்டது இயற்பியல் ,