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coherent nuuf ultra ast fibers · 2021. 2. 17. · plma-ydf-14/125-uf 1015 – 1115 nm 0.07 ±...

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  • Coherent NuUF Ultra ast Fibers · 2021. 2. 17. · PLMA-YDF-14/125-UF 1015 – 1115 nm 0.07 ± 0.005 ≥ 0.46 ≤ 25.0 dB/km @ 1200 nm ≤ 15.0 dB/km @ 1095 nm 3.9 ± 0.5 dB/m at
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Nufern • 7 Airport Park Road, East Granby, CT 06026 • 860.408.5000 • Toll-free 866.466.0214 • Fax 860.844.0210 • Email: [email protected] www.coherent.com ; www.shop.coherent.com • Coherent products are manufactured under an ISO 9001:2008 certified quality management system. Custom developed fiber (FUD) specifications are subject to change without notice. Other configurations such as alternative form factors, optimized cut-off and UV cured color coating may be available. Let us know how Coherent can assist with your requirements. NU0149- 11/12/2020 Coherent NuUF Ultrafast Fibers Coherent NuUF fibers offer customers an opportunity to scale up power while avoiding the costs and risks associated with solid state designs. Our fibers provide a path to a seamless transition to a higher powered system with significantly reduced $/W. Our PM, large mode area (PLMA) Ytterbium doped active fibers (YDF) and passive matched Germanium doped Fibers (GDF) are tailored to meet key requirements for ultrafast laser designs. These specialty fibers feature polarization maintenance, dispersion control, high beam quality, low photodarkening, and highest absorption. These fibers are also highly suitable for other applications that are sensitive to nonlinear effects including narrow linewidth amplification, second harmonic generation, frequency doubling, and short pulse amplification. . Typical Applications Features & Benefits • Lowest Photodarkening – increased reliability and enables power scaling of pulsed amplifiers • Highest Absorption – 2-3x absorption reduces cavity length and minimizes nonlinear effects • Maintains highest beam quality • Enables power scaling and mass production • Reduces $/w • Designed for extended service life in challenging deployment conditions • Ultrafast Fiber Lasers for Material Processing o Chirped Pulse Amplification o Second Harmonic Generation o Frequency Doubling o Single Frequency & Narrow Linewidth Amplifiers Optical Specifications Operating Wavelength Core NA First Cladding NA (5%) Core Attenuation Cladding Attenuation Cladding Absorption Birefringence Geometrical & Mechanical Specifications Cladding Diameter Cladding Diameter (flat-to-flat) Core Diameter Coating Diameter Core/Clad Offset Prooftest Level Precision matched Nu-UF passive fibers are also available - PLMA-GDF-14/125-UF; PLMA-GDF-25/250-UF; PLMA-GDF-30/250-UF PLMA-YDF-14/125-UF 1015 – 1115 nm 0.07 ± 0.005 ≥ 0.46 ≤ 25.0 dB/km @ 1200 nm ≤ 15.0 dB/km @ 1095 nm 3.9 ± 0.5 dB/m at 915 nm 16.6 dB/m near 975 nm nominal 2 × 10⁻⁴ 125.0 ± 1.0 µm N/A 14.0 ± 1.0 µm 245.0 ± 10.0 µm ≤ 1.00 µm ≥ 100 kpsi (0.7 GN/m²) PLMA-YDF-25/250-UF 1015 – 1115 nm 0.07 ± 0.005 ≥ 0.46 ≤ 25.0 dB/km @ 1200 nm ≤ 15.0 dB/km @ 1095 nm 2.8 ± 0.3 dB/m at 915 nm 11.9 dB/m near 975 nm nominal 2 × 10⁻⁴ 255.0 ± 5.0 µm N/A 25.0 ± 1.5 µm 395.0 ± 15.0 µm ≤ 2.00 µm ≥ 100 kpsi (0.7 GN/m²) PLMA-YDF-30/250-UF 1015 – 1115 nm 0.07 ± 0.005 ≥ 0.46 ≤ 25.0 dB/km @ 1200 nm ≤ 15.0 dB/km @ 1095 nm 4 ± 0.6 dB/m at 915 nm 17 dB/m near 975 nm nominal 2 × 10⁻⁴ 255.0 ± 5.0 µm N/A 30.0 ± 2.5 µm 395.0 ± 15.0 µm ≤ 2.00 µm ≥ 100 kpsi (0.7 GN/m²)

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Page 1: Coherent NuUF Ultra ast Fibers · 2021. 2. 17. · PLMA-YDF-14/125-UF 1015 – 1115 nm 0.07 ± 0.005 ≥ 0.46 ≤ 25.0 dB/km @ 1200 nm ≤ 15.0 dB/km @ 1095 nm 3.9 ± 0.5 dB/m at

Nufern • 7 Airport Park Road, East Granby, CT 06026 • 860.408.5000 • Toll-free 866.466.0214 • Fax 860.844.0210 • Email: [email protected] ; www.shop.coherent.com • Coherent products are manufactured under an ISO 9001:2008 certified quality management system.

Custom developed fiber (FUD) specifications are subject to change without notice. Other configurations such as alternative form factors, optimized cut-off and UV cured color coating may be available. Let us knowhow Coherent can assist with your requirements.

NU0149- 11/12/2020

Coherent NuUF Ultrafast FibersCoherent NuUF fibers offer customers an opportunity to scale up power while avoiding the costs and risks associated with solid state designs. Our fibers provide a path to a seamless transition to a higher powered system with significantly reduced $/W.

Our PM, large mode area (PLMA) Ytterbium doped active fibers (YDF) and passive matched Germanium doped Fibers (GDF) are tailored to meet key requirements for ultrafast laser designs. These specialty fibers feature polarization maintenance, dispersion control, high beam quality, low photodarkening, and highest absorption.

These fibers are also highly suitable for other applications that are sensitive to nonlinear effects including narrow linewidth amplification, second harmonic generation, frequency doubling, and short pulse amplification..

Typical Applications Features & Benefits• Lowest Photodarkening – increased reliability and enables power scaling of pulsed amplifiers• Highest Absorption – 2-3x absorption reduces cavity length and minimizes nonlinear effects• Maintains highest beam quality• Enables power scaling and mass production• Reduces $/w• Designed for extended service life in challenging deployment conditions

• Ultrafast Fiber Lasers for Material Processing

o Chirped Pulse Amplificationo Second Harmonic Generationo Frequency Doublingo Single Frequency & Narrow

Linewidth Amplifiers

Optical Specifications

Operating WavelengthCore NA

First Cladding NA (5%)Core Attenuation

Cladding AttenuationCladding Absorption

Birefringence

Geometrical & MechanicalSpecifications

Cladding DiameterCladding Diameter (flat-to-flat)

Core DiameterCoating DiameterCore/Clad Offset

Prooftest Level

Precision matched Nu-UF passive fibers are also available - PLMA-GDF-14/125-UF; PLMA-GDF-25/250-UF; PLMA-GDF-30/250-UF

PLMA-YDF-14/125-UF

1015 – 1115 nm0.07 ± 0.005≥ 0.46≤ 25.0 dB/km @ 1200 nm

≤ 15.0 dB/km @ 1095 nm 3.9 ± 0.5 dB/m at 915 nm 16.6 dB/m near 975 nm

nominal 2 × 10⁻⁴

125.0 ± 1.0 µmN/A14.0 ± 1.0 µm245.0 ± 10.0 µm≤ 1.00 µm≥ 100 kpsi (0.7 GN/m²)

PLMA-YDF-25/250-UF

1015 – 1115 nm0.07 ± 0.005≥ 0.46≤ 25.0 dB/km @ 1200 nm

≤ 15.0 dB/km @ 1095 nm 2.8 ± 0.3 dB/m at 915 nm 11.9 dB/m near 975 nm

nominal 2 × 10⁻⁴

255.0 ± 5.0 µmN/A25.0 ± 1.5 µm395.0 ± 15.0 µm≤ 2.00 µm≥ 100 kpsi (0.7 GN/m²)

PLMA-YDF-30/250-UF

1015 – 1115 nm0.07 ± 0.005≥ 0.46≤ 25.0 dB/km @ 1200 nm

≤ 15.0 dB/km @ 1095 nm 4 ± 0.6 dB/m at 915 nm 17 dB/m near 975 nm

nominal 2 × 10⁻⁴

255.0 ± 5.0 µmN/A30.0 ± 2.5 µm395.0 ± 15.0 µm≤ 2.00 µm≥ 100 kpsi (0.7 GN/m²)

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