Methods and limitations of subwavelength imaging

Physics & Astronomy

• wavelengths 31%
• sensors 29%
• very low frequencies 20%
• logarithms 17%
• image reconstruction 17%
• low noise 15%
• isolation 15%
• constrictions 14%
• permeability 14%
• Q factors 14%
• signal to noise ratios 13%
• low frequencies 11%
• permittivity 11%
• interference 11%
• high resolution 9%
• acoustics 9%
• radiation 8%
• diffraction 8%

Engineering & Materials Science

• Imaging techniques 100%
• Wavelength 41%
• Sensors 18%
• Surveying 13%
• Diffraction 12%
• Image reconstruction 12%
• Permittivity 11%
• Signal to noise ratio 9%
• Radiation 9%
• Acoustic waves 9%