near-field scanning optical microscopy


near-field scanning optical microscopy

[¦nir ¦fēld ‚skan·iŋ ‚äp·tə·kəl mī′kräs·kə·pē] (optics) A technique for making optical measurements at dimensions much smaller than the wavelength of light, by scanning a nanometric detector or radiation source in proximity to a sample surface. Also known as scanning near-field optical microscopy.