In this post we will briefly go through a theoretical introduction of evanescent field associated to optical fiber sensors and its applications to perform of absorption measurements.
First, it is important … Read the rest
In one of our last articles (see article) we explained the basic principles of SLED operation. After understanding what means that the SLEDs have a high spatial coherence and a low temporal coherence (see … Read the rest
In this article we are going to introduce the concept of coherence, as it plays a major role when selecting a light source for a certain application. It is always mentioned in the articles about light … Read the rest
The risks associated to water contamination are very important for human health and environmental protection. Therefore, water quality monitoring is a major concern of current society. … Read the rest
Nowadays, lasers and LEDs are part of the everyday life thanks to the Star Wars lightsabers or the low consumption bulbs, although a … Read the rest
Relative measurements
Insertion loss and return loss or power signal transmitted along a fiber optic link, are generally expressed in dB (decibels) and should always be a positive number. But they can also be negative, which is not good in … Read the rest
The use of fiber optic sensors based in fluorescence has become a common practice for applications of detection in areas such as analytical chemistry, biochemistry, cell biology, photochemistry, medical diagnostics or biotechnology during last decades [1]… Read the rest
Fiber optic connector technology has evolved during the last decades aided by many technological companies and individuals aimed to obtain the best solution to minimize power loss at lower cost as well as other problems, such … Read the rest
Optical fiber setups can often be very complicated and hard to be moved from laboratory to real life applications because of bulk measuring equipments or brittle optical fiber configuration.… Read the rest
When using a fiber-coupled light source, such as our COB-SERIES or FJORD, it is essential to select carefully the right fiber to use with. We all have in mind the … Read the rest
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