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Optical Fiber

Product categories of Optical Fiber, we are specialized manufacturers from China, Optical Fiber, Optical Fiber Cable suppliers/factory, wholesale high-quality products of Fiber Optic Strands R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!

China Optical Fiber Suppliers

CNI can supply specialty Optical Fiber for Laser coupling. Our products include single-mode fiber, multi-mode fiber, polarization maintaining fiber, liquid light fiber and fiber with pigtailed GRIN Lens collimators for all our existing laser modules from visible to near IR transmission.

Fiber for laser coupling

Single-mode fiber/ Fiber combiner
1 Multimode fiber (SMA05/ FC/ PC connector)

Single-mode fiber for core diameter of 4-9 um. Available for visible wavelengths from 400 up to 860 nm. Fiber splitter available for 532 nm.

Multimode fiber for core diameter of 50 um, 100 um, 200 um, 400 um, 600 um, 800 um, 1000 um. Support more than one propagation mode.

Polarization maintaing fiber

Liquid light fiber
Polarization maintaining fiber is available for wavelengths from 460 nm to 780 nm

Liqud light fiber for cvore diameter od 3mm, 5mm, 8mm, 10mm

Fiber with pigtailed GRIN lens collimators
Fiber with even square beam spot
Diameter 1.8 mm clear aperture. Coupled to standard 62.5/ 200/ 400um fibers.

Even square beam spot is available on request.

◆ Accessories for laser coupling

Fiber optic collimator
11 Fiber beam combiner

Used to shape the beam after fiber, FC or SMA connector optional.

Good spot uniformity
Adjustable focus optional
Customization available

Designed for combining 4, 3, 2 fiber beam into 1 fiber (single-mode or multimode) output.

Fiber Holder

Threaded hole: M6
Thread hole spacing: 50 mm
Height: 30cm, 60cm optional
Base size: 30cm* 30cm

Fiber line generator
CNI can offer fiber line generator at all existing wavelengths and output power, also the divergence are available in fan angles of 80° to 114° for customers' applications. These series lasers can be used to display a uniform straight reference line in alignment, Machine Vision Systems, construction and process control.

  • Uniform straight line after fiber
  • No spotlight on both ends of the line
  • Even distribution on vertical direction of the line

Standard Product

Parr No.

Full fan Angle (α°)

Line width at 2m location (mm)


80°, 114°

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