TOP® UV-SRC Hermetic Carbon-coated FiberTOP® UV-SRC Hermetic Carbon-coated Fiber
TOPRAYS has introduced a new product designed specifically for the UVC range. UV-SRC fiber offers stronger solarization resistance (UV-aging resistance) and higher stability, expanding its possible applications in many scenarios.
Wavelength · Numerical Aperture (NA)
| Wavelength | Numerical Aperture (NA) |
|---|---|
| TOP® UV-SRC 180 – 2100 nm · TOP® UV-SR 190 – 2100 nm | Low 0.12 ± 0.02 | 0.15 ± 0.02 · Standard 0.22 ± 0.02 · High 0.26 ± 0.02 | 0.28 ± 0.02 |
Advantages
Significantly improved deep-UV solarization resistance (UV-aging resistance)
Hermetic coating
Custom numerical aperture (NA) on request, range 0.12 to 0.30
Very low NA spread
Biocompatible materials
Produced in facilities compliant with GMP and ISO 9001
Construction
Silica glass core · fluorine-doped silica cladding · hermetic carbon coating · jacket (polyimide)
Technical Parameters
| Parameter | Specified value |
|---|---|
| Operating Temperature | -190 to +150 °C |
| Core Diameter | Available 90 to 1000 µm |
| Standard Core/Cladding Ratio | 1 : 1.06 | 1 : 1.1 | 1 : 1.2 | 1 : 1.4 or custom |
| OH Content | High (> 700 ppm) |
| Standard Proof Test | 70 kpsi (polyimide jacket) |
| Minimum Bend Radius | 50 × cladding diameter (short-term mechanical stress) · 300 × core diameter (high-power laser use) |
Attenuation
The charts below summarise the attenuation at different wavelengths:
UV Solarisation Resistance Comparison
Applications
The preferred choice for applications such as spectroscopic analysis, medical diagnosis, medical technology and laser delivery systems.
Transmission Comparison
Attenuation caused by ArF laser irradiation (1000 J/cm²)
Transmission change of 2 m fiber at 214 nm | Irradiated with a D2 lamp and a CaF2 lens, with peak intensity between 180 and 240 nm. The chart above compares the solarisation behaviour of TOP® UV and TOP® UV-SRC at 214 nm.
