Plusnet: cheapest prices around for fibre What fibre speeds do I need? So you know that you need fibre internet, but how fast should it be? There are a few options here and although most people will only need the cheaper options, it is worth considering everything that’s available: Fi...
(top right) photo of the experimental box employed for maintaining the position of the fibres; (bottom right) close-up of the box with labelled holes for the placement of the fibre-optic sensors (green colour, diameter of the hole equal to 1 mm) and the laser applicator (blue colour, ...
Fibre-optic Raman temperature monitoring systems were installed in three boreholes and in the concrete liner. The instrument has been working continuously for 5 years and must have been replaced in 2017. The second Raman device hold by Andra also failed after 5 years, despite exclusive use in ...
High-purity, ultratransparent oxide glasses have been developed for use in fibre-optic telecommunications systems, in which messages are transmitted as light pulses over glass fibres. Get Unlimited Access Try Britannica Premium for free and discover more. Subscribe When ordinary glass is subjected to...
Not only a UV or IR radiation sensor can be implemented, but also an optic modulator or filter. CNT can be also combined with PCF to get a refractometer based on interferometry. Taking advantage of the one dimensional structure, the nanotubes can be dissolved and sprayed towards a silica ...