[Learnelectronics] purchased some near-field EMI probes for his tiny spectrum analyzer for about $5 on sale. Could they be any good at that price? Watch the video below and find out. The probes ...
Scanning near-field optical microscope (SNOM) - using the scattered light through a sub-wavelenght aperture to form an image. (Illustration by Kristian Molhave, Opensource Handbook of Nanoscience and ...