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Metamaterials research challenges fundamental limits in photonics
metamaterials photonics photonics
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2021/8/11
Researchers are proposing a new way to modulate both the absorptive and the refractive qualities of metamaterials in real time, and their findings open intriguing new opportunities to control, in time...
3D MAPPING OF SWITZERLAND –CHALLENGES AND EXPERIENCES
Airborne Laser scanning High Resolution DEM/DSM
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2015/8/13
Airborne Laser Scanning was used to map Switzerland. Large parts of the project area are in mountainous terrain and all processes
had to be adjusted to this challenging terrain to obtain the desired...
FROM SINGLE-PULSE TO FULL-WAVEFORM AIRBORNE LASER SCANNERS: POTENTIAL AND PRACTICAL CHALLENGES
Laser scanning Digitisation Retrieval Vegetation
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2015/6/1
Airborne laser scanning, often referred to as lidar or laser altimetry, is a remote sensing technique which measures the round-trip
time of emitted laser pulses to determine the topography of the Ea...
Muon Collider: Plans, Progress and Challenges
Muon Collider Plans Progress and Challenges Accelerator Physics
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2012/4/27
We in the physics community expect the LHC to uncover new physics in the next few years. The character and energy scale of the new physics remain unclear, but it is likely that data from the LHC will ...
Severe Challenges In Gravity Theories
Gravity Theories
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2011/9/9
Gravity is specifically the attractive force between two masses separated at a distance. Is this force a derived or a fundamental interaction? We believe that all fundamental interactions are quantum ...
Challenges for Modeling Nuclear Structure: Are the Proton and Neutron Masses and A-body Interactions Relevant?
Modeling Nuclear Structure A-body Interactions Relevant
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2011/1/7
We discuss some of the challenges that future nuclear modeling may face in order to improve the description of the nuclear structure. One challenge is related to the need for A-body nuclear interactio...
SANE overcomes nanofabrication grand challenges（图）
SANE nanofabrication
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2010/9/21
The first nanofabrication technique that overcomes the three "grand challenges in nanofabrication" has been unveiled by researchers in the US. The technique, dubbed solvent-assisted nanoscale embossin...
Silicon-Based Optoelectronics: Progress and Challenges
Silicon-Based Optoelectronics Progress Challenges
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2010/4/16
We review the status of silicon-based optoelectronics with emphasis on light emitting diodes. Erbium-doped Si, por-Si and silicon-based superlattices and nanostructures are discussed. The origin behin...