 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Contact us |
|
Liekki Corporation
Sorronrinne 9
FI-08500 Lohja, Finland
|
|
| Phone: |
+358 19 357 391 |
| Fax: |
+358 19 357 3949 |
| Email: |
liekki liekki.com |
|
|
|
|
|
|
|
|
 |
|
|
| Home >>
News and events >>
Press releases >>
Press Release September 13, 2007
|
|
MODE-FILTERED FIBER AMPLIFIER TECHNOLOGY WINS R&D 100 AWARD
|
|
LIEKKI Press Release
September 13, 2007
|
|
Lohja, Finland – LIEKKI Corporation, a leading supplier of highly doped fibers and optical engine modules for fiber laser and amplifier applications, has licensed and commercialized the mode-filtered fiber amplifier technology recognized with the R&D 100 Award.
Sandia National Laboratories and the Naval Research Laboratory have been honored with one of this year's R&D 100 Awards for their development of the mode-filtered fiber amplifier technology. The inventors are Jeffrey Koplow and Dahv Kliner, Sandia National Laboratories, and Lew Goldberg, Naval Research Laboratory. Mode-filtering allows fiber amplifiers to scale to very high output powers, revolutionizing the laser market.
The R&D 100 Awards, presented every year since 1962, recognize the most promising new products, processes, materials, or software developed throughout the world and introduced to the market. The awards are based on each achievement's technical significance, uniqueness, and usefulness compared to competing projects and technologies.
The award-winning mode-filtered fiber amplifier technology increases the power scaling limits of fiber amplifiers by more than 100 times, enabling the production of multiple kilowatts of output power in a single-mode beam. This advance opens the door to use fiber amplifiers in many real-world applications, such as materials processing, remote sensing, nonlinear frequency conversion, and more. Fiber-based devices have substantial advantages over competing technologies, including far superior beam quality, wavelength flexibility, electrical efficiency, waste heat generation, maintenance requirements, and package size.
Sandia's award application cites LIEKKI as one of the licensees who produce commercial products based on the mode-filtered fiber amplifier technology. Sandia has previously, at Photonics West 2006, published results on high-peak-power, >1.2 MW, pulsed fiber amplifiers using LIEKKI fiber and this invention. The mode-filtered fiber amplifier technology is notable for its simplicity. High-power amplifier fibers with large core sizes allow many “modes” of light to propagate through them, resulting in a relatively unfocused beam. By strategically coiling the fiber around a chosen radius, it is possible to induce bend loss, stripping out high-order modes while allowing the fundamental mode to propagate through the fiber unimpeded. This mode filtering is achieved with no deleterious side effects upon the other laser performance characteristics. It essentially converts what would have been an undesirable multimode fiber amplifier into a much more desirable single-mode amplifier, while retaining the benefit of using an optical fiber with a large core size.
About LIEKKI Corporation
LIEKKI Corporation designs, manufactures and markets specialty optical fibers and fiber subassemblies (optical engine modules) for fiber amplifiers and lasers using its unique and proprietary Direct Nanoparticle Deposition (DND) technology. LIEKKI also provides design software for fiber lasers and amplifiers, LIEKKI™ Application Designer. The DND technology enables LIEKKI to produce state-of-the-art, highly doped fibers that minimize required fiber length, have large core-to-clad ratios, and exhibit low photodarkening, flat refractive index profile, high efficiency and reduced nonlinear effects. LIEKKI™ products are used in applications such as high power fiber lasers for industrial manufacturing, military and aerospace, medical applications, telecom amplifiers and ASE light sources.
Direct Nanoparticle Deposition (DND) is a new, innovative nanoparticle process invented, developed and commercialized by LIEKKI Corporation, for a wide range of industrial applications. LIEKKI has licensed DND to industrial customers for non-optical applications and will continue to do so.
LIEKKI Corporation is headquartered in Lohja, Finland. Our products are available globally through Thorlabs (www.thorlabs.com) and our direct sales team serves Americas, Europe and Asia. LIEKKI™ products are also distributed and supported by our sales representatives FT Okura (Japan), IKG Corporation (Japan), OptoCom Equitech (M) Sdn Bhd (Southeast Asia), Apollo Electronics Co. Ltd. (China) and Connet Fiber Optics Company Ltd. (China). For further information, please visit our website at www.liekki.com.
For more information, please contact
LIEKKI Corporation
|
|
|
 |
liekki.com