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Fibre Products

The following products are representative of nLIGHT’s superior device capabilities and performance. Our high-performance fibers, fiber components, optical engine modules and design software are designed and manufactured, using our unique and proprietary Direct Nanoparticle Deposition (DND) technology, to meet custom high-performance and high-reliability requirements.

LIEKKI™ High Power Fibers

nLIGHT provides high-performance active and passive LIEKKI™ fibers based on its unique and proprietary Direct Nanoparticle Deposition (DND) technology. Our broad line of fibers includes erbium (Er), ytterbium (Yb), advanced active fibers and matching passive fibers.

LIEKKI™ Ytterbium Fibers
Our ytterbium fiber product series, LIEKKI™ Yb600, Yb700, Yb1200 and Yb2000, offers high efficiency for a broad range of applications while maintaining excellent beam quality, high reliability and ease of handling.
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LIEKKI™ Erbium Fibers
Our broad selection of erbium doped LIEKKI™ fibers covers both communications and “eye safe” fiber laser and amplifier applications. LIEKKI™ erbium fibers feature excellent efficiency due to low level of clustering.
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LIEKKI™ Passive Fibers
We offer a complete series of passive LIEKKI™ fibers with a broad range of optical and geometric characteristics matching our active fibers. Geometries and numerical apertures are optimized to ensure low splicing and coupling losses.
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LIEKKI™ Advanced Fibers
Our unique and proprietary Direct Nanoparticle Deposition (DND) technology allows to develop rapidly and cost-effectively custom LIEKKI™ fibers.
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LIEKKI™ Components

LIGHT provides fiber components for use in fiber lasers and amplifiers. The fiber components are manufactured in cooperation with our carefully chosen partners ccording to our specifications and with our LIEKKI™ passive fibers.

The combination of LIEKKI™ active fibers, passive fibers and fiber components allows the development of all fiber lasers and amplifiers, and ensures the mode field is well matched throughout the fiber laser or amplifier. LIEKKI™ components can be interconnected with standard splicers eliminating bulk optics and greatly improving reliability.


LIEKKI™ Pump and Signal Combiners
LIEKKI™ (6+1)x1 pump and signal combiners are used to combine the power from six multimode laser pump diodes and couple it with a signal feed. The devices offer efficient power transfer with a maximum conservation of brightness.
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LIEKKI™ End Caps
Our end caps are manufactured with LIEKKI™ passive fibers with 125, 250 or 400 micron claddings and embedded within a polished Angle Physical Contact (APC) connector.
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LIEKKI™ Mode Field Adapter Tapers
Our mode field adapter tapers are optically matched to our active and passive fibers. The tapers offer very low signal insertion losses and maintain polarization extremely well. Custom taper configurations can be made available.
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LIEKKI™ Application Designer

LIEKKI™ Application Designer
The application designer allows fast and accurate simulations for performance evaluation for fiber based lasers, amplifiers, and amplified spontaneous emission sources.
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