Near-field imaging with randomly distributed nanoparticles.
Conventionally, optical superresolution is achieved with extremely small near-field nanoprobes. However, larger probes that are enriched with high spatial frequencies can suppress the measurement noise more effectively and, consequently, ensure greater contrast, resolution, and speed of measurement. This fact is demonstrated numerically for a probe composed of nanoparticles randomly distributed at the surface of a fiber tip.
Sumetsky
M
M
OFS Laboratories, 19 Schoolhouse Road, Somerset, New Jersey 08873, USA. sumetski@ofsoptics.com