Fiber, Parts & Tools

Fiber Bundle & Convertor

Fiber Bundle & Convertor

Keywords: Laser Fiber Cables,Bundles

Our laser bundle products are the best for laser power delivery with high brightness and beam quality, while high power connectors of special design stay cool even when mode-stripping effect is provided.

Special laser fiber structures
Cool high power connectors HP-SMA and D80
Flexible and robust for high power & bright laser beams

Our laser bundle products are the best for laser power delivery with high brightness and beam quality, while high power connectors of special design stay cool even when mode-stripping effect is provided.

Robust designed laser cables secure the long term industrial & medical applications. Bundles of unique metal coated fibers combines power from many lasers to reach output in multi kW range in any shape.

Applications:

  • Laser welding of metals & plastics
  • Laser cutting & drilling
  • Laser surface treatment
  • Medical laser power delivery
  • Laser target & rangefinder
  • Laser spectroscopy

Comparison of Our Cables with a Common Laser Cable


IR-image of our fiber cable with special silica fiber structure & HP connector design without mode stripper & radiator
● Fiber core - 200μm; NA=0.22
● Connector – HP-SMA (High Power SMA)
● High transmission of fiber cable with 1.5m length provides 53W output of Diode Laser at λ = 1.47μm
●Temperature of connectors measured with thermopile after 15min of power transmission: for input end – 43°C, for output end – 36.6°C
● Insert: visualized profile of output beam for 53W

IR-image of common fiber cable assembled with mode stripper & radiator at the output end
● Fiber core - 200μm; NA=0.22
● Connector – HP-SMA with Mode stripper and radiator
● Mode stripper absorbs cladding modes, but cuts off
transmission of 1.5m cable to 33W output for diode laser at 1.47μm – providing the same beam profile
●Temperature of connectors measured with thermopile after 3min for 33W of power output: input end – 44°C, output end – 78°C
● Insert: visualized profile of output beam for 33W

Standard Specifications:

Spectral ranges, μm 0.18–1.2μm (UV-VIS) or 0.35–2.4μm (Vis-NIR)
Pure silica fiber core 100; 200; 400; 600; 800; 1000; 1200; 1500μm
Numerical aperture 0.22 ± 0.02 (full acceptance angle 25°) 0.12 ± 0.02 (full acceptance angle 14°)
Protective fiber jacket Nylon, tefzel, acrylate, Al, Cu
Cable protective tube PVC coated stainless steel monocoil, bend protected silicon coated stainless steel bend protection
Connector type HP-SMA (high power SMA); D-80
Temperature range -40°C to +600°C (Cu coated)
Cable length, m 1.5 & 3 (optional: from 5cm to 50m)
MCS fibers in bundle 3, 7, 19, 37, 64,

1. Mid-IR Chalcogenide and Polycrystalline Fiber Optic Bundles

Our development of specialty fibers for the Mid-IR region has resulted in a unique product – chalcogenide infra-red (CIR-) fibers. Chalcogenide glasses (As₂ S₃) transmit IR radiation in the spectral range of 1.1–6μm. Our CIR fibers are drawn in core/clad structure with double polymer coating and characterized by low total optical losses and low absorption peaks over mentioned spectral range. High flexibility & high transmission of our Mid-IR fibers allowed producing commercial fiber bundles & convertors for mid-IR applications for spectral range from 1.5µm up to 18µm.

Main features:

  • Multispectral fiber bundles in the broad spectral range: from 0.2 to 18µm
  • Fiber bundles contain up to thousands of optical fibers
  • Custom fiber arrangement
  • High and low temperature special design
  • Standard or custom connectors and ferrules
  • Splitting light from light source into several channels
  • Combining light from several sources
  • Reshaping of light beam cross section

Applications:

  • Spectroscopy
  • Medical diagnostic
  • Optical sensors
  • Laser delivery
  • Pyrometry
  • Analytical instruments
  • Chemical analysis
Spectral range, µm 1.5–6 µm (chalcogenide fibers) 6–18µm (polycrystalline fibers)
Fiber core dia., µm 200, 300, 400, 500
Total length, m Up to 10
Protective tubing Metal, PVC coated, flexible hard plastic polymer PEEK
Numerical aperture from 0.3
Temperature range -200°C +100°C
Optical connectors SMA; long SMA; FC/PC; ST

2. UV-VIS-NIR Silica Fiber Optic Bundles

Round-to-round (R/R) and round-to-line (R/L) fiber bundles are probably the most popular and demanded, since they are used in the manufacture of a wide range of fiber optic sensors and probes. We offer optical fiber bundles in straight, bifurcated multi-furcated design. For spectroscopy fiber probes we are offering unique bundles with metal-coated fibers, which allow to block the cross-talk between the fibers, and in result signal/noise ratio is higher than in similar bundles with fiber polymer coatings. Our silica fiber bundles are terminated with SMA905, FC/PC, ST or custom connectors and for spectral range from 0.2µm up to 2.2µm.

Main features:

  • Silica fiber bundles in UV-VIS-NIR spectral range from 0.2 to 2.2 µm
  • Fiber bundles contain up to thousands of optical fibers
  • Custom fiber arrangement
  • High and low temperature special design
  • Standard or custom connectors and ferrules
  • Splitting light from light source into several channels
  • Combining light from several sources
  • Reshaping of light beam cross section

Applications:

  • Spectroscopy
  • Medical diagnostic
  • Optical sensors
  • Photolithography
  • Laser welding / soldering / marking
  • Laser delivery
  • Pyrometry
  • Analytical instruments
  • Chemical analysis

Common Parameters of Silica Fiber Optic Bundles and Converters

Spectral range, µm 200 – 1200 nm (Low OH silica) 400 – 2200 nm (High OH silica)
Fiber core dia., µm 10, 50, 100, 200, 300, 400, 600
Total length, m Up to 100
Protective tubing Stainless steel; metal, PVC coated; flexible hard plastic polymer PEEK; flexible Ni or Cr plated metal tube
Numerical aperture from 0.12 to 0.55
Temperature range -40°C +120°C up to 600°C – on request
Optical connectors SMA; long SMA; FC/PC; ST

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