来自MSN8 天
Century-Old Challenge Of “Atomic Diffraction” Finally Solved Thanks To Graphene
For thousands of years, thinkers argued about whether light is made of particles or waves. At the beginning of the 20th ...
Nature1 天
Beyond the diffraction limit
The emergence of imaging schemes capable of overcoming Abbe's diffraction barrier is revolutionizing optical microscopy. In 1873, the German physicist Ernst Abbe realized that the resolution of ...
Nature16 天
Diffraction of Light by Ultrasonic Waves, Oblique Incidence and Sound Intensity
THE experimental results reported in a previous communication 1 confirm the existence of several maxima for the second- and the third-order diffraction ... when the sound wave-length is small ...
BBC3 年
Wave parameters and behaviours
The waves always 'spread' to some extent into the area beyond the gap. This is diffraction - the spreading out of waves when they go through a gap, or past the edge of a barrier. The extent of the ...