Set of 10 SNOM probes with transmitted wavelength 600-770nm.
- Material - single mode optical fiber Nufern 630HP.
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Probe tip is coated by Al (70nm)/sublayer Cr (20nm) .
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Aperture (hole uncoated by Al) ~ 125 ± 25nm
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Angle of fiber - about 20 degrees
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Maximum optical input power - 400 microWatt
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Tip is formed by chemical etching.
- Fiber length ~ 2 meters.
- Tip length without protective coating is 7-8mm.
Geometrical & Mechanical fiber Specifications:
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Clad Diameter
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125.0 ± 1.5 µm
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Coating Diameter
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245 ± 15 µm
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Core-Clad Concentricity
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< 0.5 µm
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Coating/Clad Offset
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≤ 5 µm
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Coating Material
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UV Cured, Dual Acrylate
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Operating Temperature
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-55 to +85 °C
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Short-Term Bend Radius
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≥ 6 mm
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Long-Term Bend Radius
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≥ 13 mm
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Proof Test Level
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≥ 200 kpsi (1.4 GN/m²)
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