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Arne
Sieber
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Arne Sieber
Arne is a researcher working in research and development of
advanced diving systems. He graduated from the technical university
of Graz/Austria in the field of biomedical engineering. He
started working in R&D of sensor technologies for Roche
Diagnostics and obtained his PhD in 2002. With that strong
background in medical sensor technologies, he then started
to improve rebreather systems by incorporating new sensor
systems always having in mind the goal to increase safety
of rebreathers. Next to that, he worked also on research in
hyperbaric medicine, especially on physiology of apnea divers
and on the development of innovative OLED based head up displays. |
In 2002 he obtained his PhD in the research field of electrochemical
sensors.
despite the fact that Arne comes from Austria where he grew
up in the middle of the Alps far from the sea, he got familiar
with diving since his childhood in the 80s, as his parents were
enthusiastic divers.
In 2002 he started using his strong background in medical sensor
technology to improve the safety of rebreather diving systems.
One of the first outcomes was a diving computer for self mixing
semi closed rebreathers, which allowed next to typical functions
like decompression calculations and pO2 sensor readout also
continuous flow measurement of O2 and diluent gas. This device
was presented to the scientific community in 2005, but never
found its way to the diving market. |
Above: Arne Sieber testing a self mixing rebreather |
In 2005 he moved to Italy and was working mainly on R&D
of sensors for robotic aided endoscopy surgery, but also for
applications in the field of diving research. Together with
his students he developed a couple of new instruments for measurement
of physiological parameters including ECG, blood pressure and
oxygen saturation of the blood. Latest developments include
an apnea diving computer which is also capable of measuring
oxygen saturation.
To improve the safety of closed circuit rebreathers he developed
an automatic sensor validation system, where O2 sensors are
validated in predefined intervals throughout the whole dive
by automatically flushing the sensor membranes either with diluent
or O2, dependent on the depth. This led to a rebreather prototype
which was extensively tested by him and his wife, who is also
an enthusiastic diver.
This technology, that allows the checking
of sensors for correct function but also for current limitation
or non linearity, was patented and is now a key element
of the Poseidon MK6 rebreather. Using latest display technology
Arne and his team also started to focus on head up displays
and developed in 2008 a display device that can be glued
onto a diving mask. Last November Divesystem has presented
this device in combination with a technical diving computer
at DEMA in Orlando.
Currently Arne is investigating in the framework of a
European Project that looks at new sensor technologies
for rebreathers. At Eurotek Arne will give an outlook
to the possible future of sensors for rebreathers showing
latest sensors – both for O2 and CO2, that are reliable
and have an expected life time of several thousand diving
hours.
Next to that he will also present latest developments
concerning head up displays.
Arne has published more than 50 scientific articles on
conferences and journals and has filed 8 patents. He is
now with IMEGO AB in Sweden. |
 Inside
re compression chamber |
Eurotek 2010 presentations by Arne Sieber
'Future Technology of Sensors'
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