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ArmD™ UV NCC, ArmD™ WF NCC

Silica / silica non-circular core fiber

Armadillo’s non-circular core silica optical fibers exhibit exceptional performance and transmission to ArmD™ UV/WF fibers with circular core geometry. Their excellent image scrambling and minimal focal ratio degradation make them ideal for astronomy applications. When paired with diode lasers producing square-shaped outputs, these square core fibers offer superior coupling efficiencies compared to circular fibers. In laser applications like surface pre-treatment, their square output beam allows for more uniform material processing, reducing reliance on beam shaping optics.

Advantages

  • Broad UV/VIS/NIR spectral range
  • Wide range of core and cladding geometries (e.g.,square, rectangular, or octagonal)
  • Homogeneous power distribution
  • Very low NA expansion
  • Excellent image scrambling characteristics
  • No need for laser beam-shaping optics
  • High resistance against laser damage
  • Step-index profile
  • Biocompatible material
  • ISO9001 compliant manufacturing environment
  • 500 ArmD™ UV and ArmD™ WF fibers in stock Non-standard diameters and NA values available
  • Option of fully customized fiber production
  • CE mark
  • Sterilizable using ETO and other methods

Wavelength / spectral range
ArmD™ UV NCC: 190 – 1200 nm ArmD™ WF NCC: 300 – 2400 nm
Numerical aperture (NA)
0,16 ± 0,02 | 0,22 ± 0,02 | 0,28 ± 0,02 or customised -190
Operating temperature
to +350 °C
Core diameter
Geometries and diameters upon request
OH Content
ArmD™ UV NCC: high (> 700 ppm) ArmD™ WF NCC: low (< 1 ppm) Fibers with OH contents < 0,25 ppm
Standard core / cladding ratios
1 : 1,06 | 1 : 1,1 | 1 : 1,2 | 1 : 1,4 or customized
Standard prooftest
100 kpsi (nylon, ETFE, acrylate cladding) 70 kpsi (polyimide cladding)
Minimum bending radius
50 × cladding diameter (short-term mechanical stress) 150 × core diameter (during use with high laser power)

Attenuation

The following diagrams provide an overview of attenuation values relative to the wavelengths:

ArmD™ NCC UV
ArmD™ NCC WF

Applications

The preferred option for applications such as laser surface treatments, astronomy applications, and numerous others.

  1. Fiber type - UV = ArmD™ UV | WF = ArmD™ WF | WFGE = ArmD™ WFGE | HUV = ArmD™ HUV | HWF = ArmD™ HWF
  2. Standard core / cladding ratios - Core ø (μm) / Cladding ø (μm)
  3. Buffer - H = hard polymer buffer | No information = silicone buffer
  4. Colour - B = black | BL = blue | W = white | Y = yellow | R = red | G = green | No information = transparent
  5. Jacket material - A = acrylate jacket (no buffer) | F = PFA Fluon® | N = nylon jacket (silicone or hard polymer jacket) T= ETFE jacket (silicone or hard polymer buffer) | P = polyimide jacket (no buffer)
  6. Numerical aperture (NA) - 12 = 0,12 | 28 = 0,28 | No information = 0,22 (standard)
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