20/400 NuMATCH LMA Double Clad Fibers0 pages
Typical Applications
nnnnHigh power fiber lasers
nnnnCW and pulsed amplifiers
nnnnMilitary, industrial and medical
nnnn20/400
nnnnPrecision Matched
nnnnPassive LMA Double Clad Fibers
nnnnNufern's Large Mode Area (LMA) and Polarization Maintaining LMA (PLMA) passive double clad fiber are ideal for high
nnnnpower fiber lasers and amplifiers used in military, industrial, and medical applications. These fibers feature a 20 micron
nnnndiameter core and 400 micron diameter clad size with a low NA (0.065) core. They are precision matched to their active
nnnnYb-doped 20/400 LMA and PLMA matched counterparts to ensure excellent splice compatability and low loss. As with all
nnnnNufern standard Large Mode Area (LMA) fibers, these fibers are proof-tested to 100 kpsi, an industry requirement for long
nnnnterm reliability. They utilize the latest fiber design and NuCOAT™ coating technology to ensure excellent preservation of
nnnnbeam quality and extended operating life at the high power levels demanded by today's industrial fiber laser applications.
nnnnThese precision matched fibers are available in both non-PM and PANDA-style PM fibers.
nnnn-s
nnnnFeatures & Benefits
nnnnNuCOAT™ fluoroacrylate coating — Greater fiber durability in extreme environmental operating & storage conditions
nnnnLMA core design — Useful for transmitting high CW powers
nnnn"Few" moded core design — Easy to maintain single mode LP01 beam through fiber & components
nnnnPANDA-style stress structure for increased birefringence — Superior optical performance and uniformity
nnnnAll fiber proof tested to > 100 kpsi — Critical for ensuring long term reliability when coiling
nnnnOptical Specifications PLMA-GDF-20/400-M LMA-GDF-20/400-M
nnnnOperating Wavelength (nominal) 1060 nm 1060 nm
nnnnCoreNA 0.065 ±0.005 0.065 ±0.005
nnnnFirst Cladding NA (5%) > 0.46 s 0.46
nnnnCore Attenuation < 50.0 dB/km @ 1300 nm < 30.0 dB/km @ 1300 nm
nnnn< 25.0 dB/km @ 1200 nm á 15.0 dB/km @ 1200 nm
nnnnCladding Attenuation < 15.0 dB/km @ 1095 nm < 15.0 dB/km @ 1095 nm
nnnnBirefringence nominal 4 x 10"4 N/A
nnnnGeometrical & Mechanical
nnnnSpecifications
nnnnCladding Diameter 395.0 ± 10.0 pm 395.0 ± 5.0 pm
nnnnCore Diameter 20.0 ± 1.5 pm 20.0± 1.5 pm
nnnnCoating Diameter 550.0 ±15.0 pim 550.0 ± 15.0 pim
nnnnCore/Clad Offset < 2.00 pm < 2.00 pm
nnnnClad Non-Circularity N/A < 0.50 %
nnnnProoftest Level > 100 kpsi (0.7 GN/m2) > 100 kpsi (0.7 GN/m2)
nnnnThese precision matched fibers are included in our precision matched sets - see PLMA-YDF-20/400-M and LMA-YDF-20/400-M
nnnnnUFERN
nnnn7 Airport Park Road, East Granby, CT 06026 • 860.408.5000 • Toll-free 866.466.0214 • Fax 860.844.0210 E-mail info @ nufern.com • www.nufern.com Nufern
nnnnproducts are manufactured under an ISO 9001:2008 certified quality management system.
nnnnStandard specifications and design parameters are listed above. Specifications are subject to change without notice. Other configurations such as alternative form factors, optimized cut-off and UV cured color
nnnncoating may be available. Let us know how Nufern can assist with your requirements.
nnnnNU0154- 01/19/2012
nnnnRoHS
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