Magnetics Business & Technology - Spring 2016 - (Page 17)

RESEARCH & DEVELOPMENT Record Quality Factor Lowers Cost of New Particle Accelerator A team at DOE's Fermi National Ac"These are some of the highest-qualitycelerator Laboratory achieved a recordfactor practical resonators ever built." high quality factor when testing the Grassellino led the Fermilab effort to first fully dressed radio-frequency cavapply the breakthrough technology, ity built for a particle accelerator projdubbed nitrogen doping, that helped ect at DOE's SLAC National Accelerator achieve the record Q of 3.1 x 1010 at 2 Laboratory. The quality factor, Q, exKelvin and at a 16-megavolt-per-meter ceeded the goal for the Linac Coherent peak surface electric field. It involves Light Source II project and far surpasses infusing nitrogen into a cavity's inner current state-of-the-art standards. niobium surface. A higher Q means a cavity is more Nitrogen doping and other Fermilab efficient at accelerating particles and discoveries that led to this Q value, loses less energy. It opens up a way such as the removal of magnetic flux for future particle accelerators to op- An LCLS-II-type accelerator cavity is inserted into a through rapid cooling, will become new erate much more efficiently at a much machine to be treated with nitrogen, a process that standards for achieving highly efficient lower cost. accelerators worldwide. increases the cavity's quality factor. LCLS-II will produce X-rays to probe Photo credit: Fermilab a wide variety of materials at the nanoscale. Fermilab is responsible for designing, developing, building and testing about 150 nine-cell suBlog Contributors Needed for 2016 perconducting RF cavities for the LCLS-II accelerator. This was the Magnetics Business & Technology is looking for knowledgeable first integrated test in which a nine-cell cavity was outfitted with professionals in the magnetics industry who'd like to contribute all the components it will wear in the LCLS-II accelerator. to our 2016 guest blog to be featured on the website and eNews"This record Q is really the sum, the final point, of many years of letter. We ask that all content be written exclusively for MB&T's research," said Anna Grassellino, Fermilab Technical Division scienwebsite. Your blog will be featured in the month it's published on tist who leads cavity testing and processing for LCLS-II. the website, in the eNewsletter, and on our Social Media sites. For SLAC physicist Marc Ross, LCLS-II cryogenics systems manager, more info email heatherw@webcomcommunications.com. says he's pleased with the results. "It's definitely a victory," Ross said. LE OFFICES EUROPE - Milan, Italy +39 0331 589785 USA - Michigan, California +1 248 340 7040 INDIA - Hyderabad +91 40 2322 2380 CHINA - Beijing, Shanghai +86 1851 6523 318 info@elettroﬁsico.com www.laboratorio.elettroﬁsico.com All-new! This powerful, high eﬃciency magnetizer is made for big jobs. See what it can do for you. www.MagneticsMagazine.com Spring 2016 * Magnetics Business & Technology 17 http://www.laboratorio.elettrofisico.com http://www.MagneticsMagazine.com

Table of Contents for the Digital Edition of Magnetics Business & Technology - Spring 2016

Editor's Choice
Permanent Magnets in a Changing World Market
Design Considerations Using Permanent Magnets
Insulated Iron Powders, SMC, Current State and Future Possibilities
Research & Development
The Design of a Permanent Magnet Motor for a Direct Drive Fan Application
Tailoring of Pole Shapes of Multipolar Injection Molded Magnets
Electromagnetics
Industry News
Marketplace / Advertising Index
Spontaneous Thoughts: Seventeen Mistakes People Make with Permanent Magnets

Magnetics Business & Technology - Spring 2016