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RISS 인기검색어
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- 저자 : Haefner (검색결과 3 건)
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Technical Review on the Scene Data Fusion
Andy Haefner 한국방사성폐기물학회 2022 한국방사성폐기물학회 학술논문요약집 Vol.20 No.1
Gamma Reality Inc. (GRI) provides real-time, mobile 3D radiation mapping, data fusion, and visualization technologies for applications ranging from nuclear power and decommissioning to emergency response. The GRI-LAMP is a compact, multi-sensor system weighing about 10 lbs (4.5 kg). LAMP is fully mobile, provides 360 degree imaging (only limited by physical access to objects/area), and streams the 3D map fused with radiation data in real-time to the control tablet for immediate results that can quickly inform the user of potential hazards in the area or direct the user to the specific location where efforts should be focused. GRI systems are also remotely deployable on robotic platforms and are used on unmanned aerial vehicles (UAS), unmanned ground vehicles (UGV), as well as on manned vehicles and in handheld configurations. This deployment flexibility coupled with real-time data maximizes dose reduction opportunities and further enables dynamic operational planning, which can help reduce the costs of managing and maintaining operational nuclear power plants, as well as decontaminating, or decommissioning nuclear facilities. Applications include, but are not limited to, conducting regular radiation surveys, hotspot localization, shielding verification, radioactive waste shipment surveys, contamination mapping, and dose measurement. GRI’s solutions enable faster, safer, and more efficient radiation detection, mapping, and visualization of source terms and contamination. Commercially available LAMP versions include gamma-ray imaging, dual neutron and gamma mapping, and non-imaging gamma-ray mapping options.
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CEP-stable, sub-6 fs, 300-kHz OPCPA system with more than 15 W of average power.
Prinz, Stephan,Haefner, Matthias,Teisset, Catherine Yuriko,Bessing, Robert,Michel, Knut,Lee, Yeon,Geng, Xiao Tao,Kim, Seungchul,Kim, Dong Eon,Metzger, Thomas,Schultze, Marcel Optical Society of America 2015 Optics express Vol.23 No.2
<P>We report on a CEP-stable OPCPA system reaching multi-GW peak powers at 300 kHz repetition rate. It delivers 15 W of average power, over 50 ?J of compressed pulse energy and a pulse duration below 6 fs. By implementing an additional pump-seed-synchronization, the output parameters are stabilized over hours with power fluctuations of less than 1.5%.</P>
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Uniportal Endoscopic Lumbar Interbody Fusion
Ralf Wagner,Monika Haefner 대한척추신경외과학회 2020 Neurospine Vol.17 No.sup.
The cause of radiculopathy is the compression of the nerve root which can be secondary to sliding of the vertebra and reduced disc height. In some patients, decompression alone does not resolve this problem. We describe the uniportal endoscopic transforaminal lumbar interbody fusion technique. Full-endocopic foraminotomy and discectomy are followed by cage implementation and percutaneous instrumentation. The goal of this surgical method is decompression of nerve roots, segment stabilization, disc height, and sagittal alignment restoration. Uniportal endoscopic facet sparing transforaminal transkambin lumbar interbody fusion is a good surgical option to treat degenerative disc disease, mechanical instability, and spondylolisthesis. This method shows favourable clinical outcomes in selected patients.
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