Silica-silica fibers UV-Visible
HPSUV Series

  • Wide spectrum-UV and visible
  • High power transmission
  • Radiation resistant

Spectral attenuation graph UV silica fiber

These multimode step-index silica-silica fibers have a pure silica core and doped silica cladding. They will transmit light from 180 to 1200 nm. For general use an acrylate coating is recommended. Acrylate coated fibers are available in sizes from 200 µm to 1.0 mm core diameter. For optical fiber light guides or higher temperatures, polyimide coated fibers are available in core diameters up to 300 µm. They have a very low fluorescence and are recommended for spectroscopy. These fibers are suitable for use across a wide wavelength range. They can be used for high power transmission and have good radiation resistance.

These fibers are available as cables or patchcords.

Fiber specification

Fiber type
Step-index multimode
Core material
High purity synthetic silica
Cladding material
Doped silica
Numerical aperture
0.22±0.02
Minimum bend radius (short term)
100 times fiber radius
Minimum bend radius (long term)
500 times fiber radius
Typical spot values of attenuation
248 nm (KrF laser) <1.2dB/m, 308 nm (XeCl laser) <0.26dB/m

HPSUV Series acrylate coated

    HPSUV 200P   HPSUV 400P   HPSUV 600P   HPSUV 1000P
Core diameter µm   200   400   600   1000
Cladding diameter µm   212   424   636   1060
Coating diameter µm   360   700   1000   1600


The standard core/cladding ratio for HPSUVP fibers is 1:1.06. Other core cladding ratios are available to special order.

Operating temperature
-40°C to +85°C
Maximum intensity of transmitted power*
CW up to 100 kW/cm2.
For pulsed lasers (<1µS) 500kW/cm

*These figures refer to threshold of damage and assume a circular spot with linear power distribution. Many real lasers are less than ideal and so these figures must be used with caution. Our technical sales department will be pleased to advise on selection of fibers for high-powered lasers. Also see tapered fibers.

HPSUV Series polyimide coated

    HPSUV 95I   HPSUV 200I   HPSUV 300I
Core diameter µm   95   200   300
Cladding diameter µm   100   212   318
Coating diameter µm   105   225   335

The standard core/cladding ratio for HPSUVI fibers is 1:1.06. Other core cladding ratios are available to special order. The HPSUV 95I is recommended for fiber bundles (light guides) as it allows small bend radii to be used.

Operating temperature: -190°C to +350°C

Step-index silica-silica fibers are also available with CuBALL metal coating for high temperature use.