450-600nm
SNOM probes with transmitted wavelength 450-600nm, basic Nufern fiber 460-HP, fiber diameter 125 um, fiber length 2m, aperture less than 100nm.
Material - single mode optical fiber Nufern 460HP. |
Geometrical & Mechanical fiber Specifications:
Clad Diameter |
125.0 ± 1.5 µm |
Coating Diameter |
245 ± 15 µm |
Core-Clad Concentricity |
< 0.5 µm |
Coating/Clad Offset |
≤ 5 µm |
Coating Material |
UV Cured, Dual Acrylate |
Operating Temperature |
-55 to +85 °C |
Short-Term Bend Radius |
≥ 6 mm |
Long-Term Bend Radius |
≥ 13 mm |
Proof Test Level |
≥ 200 kpsi (1.4 GN/m²) |
SNOM probe characteristics:
Characteristics |
Probe type |
MF002 |
|
Basic Nufern fiber |
460-HP |
Operating wavelength, nm |
450-600 |
Mode Field Diameter |
3.5 ± 0.5 µm @ 515 nm |
Second Mode Cut-Off, nm |
430 ± 20 |
Optical efficiency, 100 nm aperture |
4x10-4 |
Optical efficiency, 50 nm aperture |
4x10-5 |
|
|
Uncoated SNOM probe tip |
Probe tip with Al coating. Aperture is about 70nm. |