Graded-index multi-mode optical fiber

Description

Graded-index multi-mode optical fiber with a phosphosilicate core and undoped silica cladding in acrylate coating having low temporal dispersion in UV and visible spectral ranges.

Field of application

  • Delivery of subnanosecond laser pulses in diagnostic systems
  • Fluorometric analysis of microscale objects
  • Laser medicine

Characteristics

Characteristic LD125 LD135 LD340 LD590
Operating Wavelength Range, nm 300-600
Numerical Aperture 0.12
Attenuation @ 351 nm, dB/km**** < 190
Attenuation @ 527 nm, dB/km**** < 20
Pulse Dispersion @ 351 nm, ps/m ≤ 1.0
Pulse Dispersion @ 527 nm, ps/m ≤ 0.5
Bandwidth @ 351 nm, MHz·km ≥ 440
Bandwidth @ 527 nm, MHz·km ≥ 880
Core Diameter, μm 62.5±2 100±2 250±5 435±7
Cladding Diameter, μm 125±2 135±2 340±5 590±10
Coating Material Single-layer Acrylate
Minimum Bend Radius, mm 35 40 100 180
Proof-Test, % 0.5
Operating Temperature Range, °C -45…+80

****Measured for bending diameter of 32 cm

Optical fibers can be terminated with typical SC, FC, LC, ST and SMA905 connectors