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ArmD® UV Shaped, ArmD® NIR Shaped

Silica / silica non-circular core fiber

Armadillo’s angular core silica optical fibers exhibit exceptional performance and transmission to ArmD® UV/NIR 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
  • Sterilizable using ETO and other methods
  • Option of fully customized fiber production
  • CE mark

Wavelength / spectral range
ArmD® UV Shaped: 190 – 1200 nm ArmD® NIR Shaped: 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 Shaped: high (> 700 ppm) ArmD® NIR Shaped: 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® UV Shaped
ArmD® NIR Shaped

Applications

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

  1. Fiber type - UV = ArmD®️ UV | NIR = ArmD®️ NIR | SRC = ArmD®️ UV-SRC | SHP = ArmD®️ Shaped | NGE = ArmD®️ NIR-Ge | UHC = ArmD®️ UV-HC | NHC = ArmD®️ NIR-HC | MID = ArmD®️ MID-IR | BBD = ArmD®️ Broadband
  2. Standard core / cladding ratios - Core ø (μm) / Cladding ø (μm)
  3. Buffer - H = hard polymer buffer | S = silicone buffer | No information = no 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 | 22 = 0.22
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