Locating natural resources at the sea ground so far involves high costs. To reduce these, the Laser Development and Material and Processes departments at the LZH, together with eight European partners, work on developing a laser-based, autonomous system until 2020. This system shall detect soil samples, such as manganese nodules, and analyze the material composition of the specimen directly on the deep sea ground.
With this reliable and cost-efficient system, mineral and raw material contents of large areas shall be mapped in the future. Besides reduced costs, this technology allows for less impact to the environment.
Combining AUV and LIBS
Two technologies are combined to achieve this: an autonomous underwater vehicle (AUV) for the 3D mapping of the sea ground is equipped with a laser-based element-analyzing capability. This unit makes it possible to analyze soil samples by laser-induced plasma spectroscopy (LIBS). Here, a compact, autonomous system is needed that is, in addition, robust enough to withstand the pressure in the deep sea.
Knowledge from aerospace for the deep sea
Both the Laser Development and the Materials and Processes Department of the LZH are using knowledge from the ExoMARS project to develop the system. For the space mission, a small, ultralight laser system was developed that shall enable LIBS-based analyses on the Mars. For the use in the deep sea, the weight of the laser system is less important. However, here too a very compact system with a high pulse energy is demanded.
The system is being jointly developed by scientists from the LZH and neoLASE GmbH, an LZH spin-off company. The employees of this company contribute their expertise for the electronics and control of the laser system. The other partners add the necessary competencies in the fields of oceanography, 3D cartography and biogeochemistry.
The „ROBotic sUbSea exploration Technologies - ROBUST“ project is coordinated by The Welding Institute (TWI Ltd.) in Great Britain. Besides the LZH and neoLASE GmbH, the following partners are involved: CGG Veritas Consultants Ltd. (France), ALS Marine Consultants Ltd. (Cyprus), GEOMAR Helmholtz Centre for Ocean Research (Germany), Graal Tech S.r.l. (Italy), Università Degli Studi Di Genova (Italy), Coronis Computing S.L. (Spain).
At the Hannover Messe, the LZH is presenting current research results on underwater laser cutting. This process too is being developed by the scientists of the Machines and Controls Group in the Materials and Processes Department of the LZH. Visit us at the Pavilion of the State of Lower Saxony in hall 2, stand A08!
Dr. nadine Tinne | Laser Zentrum Hannover e.V.
Scientists from Hannover develop a novel lightweight production process
27.09.2017 | IPH - Institut für Integrierte Produktion Hannover gGmbH
PRESTO – Highly Dynamic Powerhouses
15.05.2017 | JULABO GmbH
University of Maryland researchers contribute to historic detection of gravitational waves and light created by event
On August 17, 2017, at 12:41:04 UTC, scientists made the first direct observation of a merger between two neutron stars--the dense, collapsed cores that remain...
Seven new papers describe the first-ever detection of light from a gravitational wave source. The event, caused by two neutron stars colliding and merging together, was dubbed GW170817 because it sent ripples through space-time that reached Earth on 2017 August 17. Around the world, hundreds of excited astronomers mobilized quickly and were able to observe the event using numerous telescopes, providing a wealth of new data.
Previous detections of gravitational waves have all involved the merger of two black holes, a feat that won the 2017 Nobel Prize in Physics earlier this month....
Material defects in end products can quickly result in failures in many areas of industry, and have a massive impact on the safe use of their products. This is why, in the field of quality assurance, intelligent, nondestructive sensor systems play a key role. They allow testing components and parts in a rapid and cost-efficient manner without destroying the actual product or changing its surface. Experts from the Fraunhofer IZFP in Saarbrücken will be presenting two exhibits at the Blechexpo in Stuttgart from 7–10 November 2017 that allow fast, reliable, and automated characterization of materials and detection of defects (Hall 5, Booth 5306).
When quality testing uses time-consuming destructive test methods, it can result in enormous costs due to damaging or destroying the products. And given that...
Using a new cooling technique MPQ scientists succeed at observing collisions in a dense beam of cold and slow dipolar molecules.
How do chemical reactions proceed at extremely low temperatures? The answer requires the investigation of molecular samples that are cold, dense, and slow at...
Scientists from the Max Planck Institute of Quantum Optics, using high precision laser spectroscopy of atomic hydrogen, confirm the surprisingly small value of the proton radius determined from muonic hydrogen.
It was one of the breakthroughs of the year 2010: Laser spectroscopy of muonic hydrogen resulted in a value for the proton charge radius that was significantly...
17.10.2017 | Event News
10.10.2017 | Event News
10.10.2017 | Event News
20.10.2017 | Interdisciplinary Research
20.10.2017 | Materials Sciences
20.10.2017 | Earth Sciences