Compact light source opens up new applications
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Heraeus Noblelight product story
Edited by the Engineeringtalk editorial team
Jul 26, 2005
The FiberLight light source is so small that Heraeus Noblelight reckons it opens up completely new applications for spectroscopy.
The FiberLight light source is so small that Heraeus Noblelight reckons it opens up completely new applications for spectroscopy.
Two examples in the areas of biotechnology and deep sea research highlight the possibilities.
In biotechnology, DNA sequencing is the foundation for genomic research.
The purity of the DNA sample is important for the quality of results.
An absorption measurement prior to the sequencing can ensure this purity.
However, the lab equipment often does not offer enough space for a traditional detector.
This is why FiberLight is used for this application.
The FiberLight light source has a size of only 28mm and a power consumption of 6W, so can it be operated also under restricted space conditions.
At the same time, it offers the complete UV spectrum of a deuterium lamp with an additional light source for the visible spectral range.
With its compact size and low power consumption, FiberLight is also ideally suited for portable and mobile applications.
One example for these are probes for the long-time monitoring of nitrates, bromides and bisulphides in sea water.
Here, FiberLight is used as a light source for an in-situ spectrophotometer which operates in depths of more than 2000m.
Lithium batteries are used as a power supply.
With its built-in fibre optics connector, FiberLight provides the spectral emission needed for the analysis inside the probe.
In 2000m below sea level, robustness and reliability are especially important.
With FiberLight, they are a result of its unique design: it is a RF excited deuterium lamp without electrodes which is mounted on a circuit board.
FiberLight offers a wide spectral range from 185 to 1100nm.
Line spectra are also possible.
The lamp module can be easily exchanged and starts operation instantly.
With these characteristics, FiberLight is well suited to open up new applications for spectroscopy.
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