Set of 10 SNOM probes with transmitted wavelength 450-600nm.
- Material - single mode optical fiber Nufern 460HP.
-
Probe tip is coated by Al (70nm)/sublayer Cr (20nm) .
-
Aperture (hole uncoated by Al) ~ 100 ± 30 nm
-
Angle of fiber - about 20 degrees
-
Maximum optical input power - 400 microWatt
-
Tip is formed by chemical etching.
- Fiber length ~ 2 meters.
- Tip length without protective coating is 7-8mm.
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)
|
