Where to Buy Double-clad Fibers
Double-clad fibers are active optical fibers with an additional pump cladding that accepts pump radiation with low beam quality. They are widely used in high-power fiber amplifiers and lasers, enabling efficient energy transfer from the pump light to the highly coherent laser light. They are thus acting as brightness converters.
More general products: rare-earth-doped fibers, specialty fibers
Related products: triple-clad fibers, large mode area fibers, fiber optics
Related product category: fiber optics
Before You Buy: Learn About Double-clad Fibers
With its comprehensive resources, RP Photonics helps you to well prepare purchase decisions:
- Encyclopedia article: Double-clad Fibers
- Related articles: rare-earth-doped fibers, photonic crystal fibers, high-power fiber lasers and amplifiers, power scaling of lasers, brightness, cladding mode strippers
- Tutorial: "Passive Fiber Optics"
- For responsible purchase decisions: apply good practices
Some aspects to consider before buying double-clad fibers: core and cladding diameter, cladding shape, numerical aperture of core and cladding, type of density of laser-active dopant, pump absorption efficiency, power handling capacity, protective coating, thermal stability, availability of spectroscopic data, badge-to-badge consistency.
Manufacturers and Other Suppliers for Double-clad Fibers
17 suppliers for double-clad fibers are listed in the RP Photonics Buyer's Guide, out of which 4 present their product descriptions. Both manufacturers and distributors can be registered.
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| Suppliers with Advertising Package presenting their product descriptions | |
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| Company | Product Description |
 34, Rue de la Croix de Fer 78100 Saint Germain-en-Laye France |  Exail (formerly iXblue) offers a wide range of specialty optical fibers for lasers and amplifiers. We master erbium, erbium/ytterbium, ytterbium, thulium, holmium, thulium/holmium, neodymium, dysprosium, and phosphorous gain media. PM version are available, and Large Mode Area (LMA) or Very Large Mode Area (VLMA) versions as well. Depending of the requirement, single clad fibers are available for core pumping, double clad fibers for cladding pumping. Triple clad and all-glass structures are also available. See us at Advanced Solid State Lasers Conference in Osaka, Japan, Oct. 20–24 (booth 128)! |
 Leader in fluoride glass and optical fiber technology Rue Gabriel Voisin Campus de Ker Lann 35170 Bruz, Brittany France |  LVF offers a range of rare-earth doped double cladding single-mode and multimode fluoride fibers for high power laser generation. Most of them exhibit a double D-shape on the first cladding in order to improve the pump absorption. Undoped double cladding single-mode and multimode fluoride fibers are also available. |
 Solutions for Innovators Blokken 84 3460 Birkerød Denmark ISO 9001:2015 |  Our ytterbium-doped double-clad fibers offer the largest single-mode cores in the world. The high numerical aperture for the pump core/inner cladding lets you pump with high efficiency, even with inexpensive or high-power broad-area emitting pumps. The single-mode signal travels in the large mode area to give high power levels and prevents nonlinearities. Need it packaged? Choose one of our aeroGAIN-ROD or aeroGAIN-BASE modules. |
 Innovation in every fiber University Parkway Chilworth Science Park Southampton SO16 7QQ United Kingdom ISO 9001:2015 |  Fibercore offers a range of double-clad fibers including low index double-clad passive fiber providing high power handling capability with 1060 nm and 1550 nm variants, as well as all-silica double-clad passive fiber which combines both single-mode and multimode characteristics providing outstanding power handling over a full range of environmental conditions. |
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| All Suppliers | |
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| From your country: | |
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5100 Patrick Henry Drive Santa Clara, CA 95054 United States | |
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7 Airport Park Road East Granby, CT 06026 United States | |
| From America: | |
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361 Montpellier Blvd Saint-Laurent, QC H4N 2G6 Canada | www.castoroptics.com E-mail: |
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4680, Michelet Street Quebec City, Qc Canada | |
| Outside America: | |
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Advanced Technology Innovation Centre Loughborough University Science and Enterprise Parks 5 Oakwood Drive Loughborough LE11 3QF United Kingdom | www.eluxi.co.uk E-mail: |
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9 Optics Valley Avenue Wuhan, Hubei China | |
34, Rue de la Croix de Fer 78100 Saint Germain-en-Laye France | Exail (formerly iXblue) offers a wide range of specialty optical fibers for lasers and amplifiers. We master erbium, erbium/ytterbium, ytterbium, thulium, holmium, thulium/holmium, neodymium, dysprosium, and phosphorous gain media. PM version are available, and Large Mode Area (LMA) or Very Large Mode Area (VLMA) versions as well. Depending of the requirement, single clad fibers are available for core pumping, double clad fibers for cladding pumping. Triple clad and all-glass structures are also available. See us at Advanced Solid State Lasers Conference in Osaka, Japan, Oct. 20–24 (booth 128)! |
Innovation in every fiber University Parkway Chilworth Science Park Southampton SO16 7QQ United Kingdom ISO 9001:2015 | Fibercore offers a range of double-clad fibers including low index double-clad passive fiber providing high power handling capability with 1060 nm and 1550 nm variants, as well as all-silica double-clad passive fiber which combines both single-mode and multimode characteristics providing outstanding power handling over a full range of environmental conditions. |
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Eiserfelder Strasse 316 57080 Siegen Germany | www.fosoptics.de E-mail: |
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Marunouchi Nakadori Bldg. 2–3, Marunouchi 2-chome Chiyodaku, Tokyo 100–8322 Japan | |
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27th floor, Bank of East Asia Harbour View Centre 56 Gloucester Road, Wan Chai Hong Kong | www.gehtinternational.com E-mail: |
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Hans-Knöll-Str. 6 07745 Jena, Germany Germany | |
Leader in fluoride glass and optical fiber technology Rue Gabriel Voisin Campus de Ker Lann 35170 Bruz, Brittany France | LVF offers a range of rare-earth doped double cladding single-mode and multimode fluoride fibers for high power laser generation. Most of them exhibit a double D-shape on the first cladding in order to improve the pump absorption. Undoped double cladding single-mode and multimode fluoride fibers are also available. |
Solutions for Innovators Blokken 84 3460 Birkerød Denmark ISO 9001:2015 | Our ytterbium-doped double-clad fibers offer the largest single-mode cores in the world. The high numerical aperture for the pump core/inner cladding lets you pump with high efficiency, even with inexpensive or high-power broad-area emitting pumps. The single-mode signal travels in the large mode area to give high power levels and prevents nonlinearities. Need it packaged? Choose one of our aeroGAIN-ROD or aeroGAIN-BASE modules. |
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Kokoojatie 5 79100 Leppävirta Finland | www.oplatek.com E-mail: |
RISE Research Institutes of Sweden Fibervagen 2–6 824 50 Hudiksvall Sweden | |
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10 Bukit Batok Crescent #07–02 The Spire Singapore 658079 | |
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