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A femtosecond laser is an ultrashort pulse of intense light which is concentrated at a femtosecond (one quadrillionth of a second). Peak power is generated by compressing and oscillating the pulse length of a laser to a few femtoseconds. Melting or thermal damage to the irradiated area and its surroundings are reduced due to the laser’s ablation effect* making femtosecond lasers highly effective when fabricating with extremely hard materials with exceptional accuracy, or when trying not to damage nearby tissues during an operation such as used in Lasik eye surgery. Currently, practical applications of the femtosecond laser have expanded into fabrication with industrial metals and carbon fibers, keratorefractive surgery and cataract treatment, and research and development in biotechnology. Challenges remain, however, including downsizing and cost reduction of the oscillator, which is required to create a femtosecond laser, and conducting further research on how materials change during fabrication.
Hisashi Bito, Executive Officer and division vice president of Easy Shape business development at Roland DG, said, “Through this joint research, our company is aiming to explore the possibility of applying femtosecond laser technology to our 3D digital fabrication and healthcare areas with the objective of producing the first desk-top femtosecond laser fabrication machine.”
Yoshihiro Takiguchi, Vice-President of GPI and professor of optical information and systems, added, “At GPI, we are looking forward to investigating new industrial applications for laser processing with the goal of creating new industries. The state of the art ultrashort pulse laser we are using was acquired with the financial support of the Japanese government and has the ability to instantly ionize matter. By combining the ultrashort pulse laser to the Roland DG’s 3D digital fabrication tools, we can enhance our knowledge of how materials change during fabrication, and how we can apply the latest laser technology to a variety of industries.”
*A phenomenon whereby the fabricated object reaches a plasma state by irradiating a high strength laser beam to its surface. Since this method does not create any bumps or distortion around the fabricated area and the effect of the heat is very limited, it is possible to achieve a high quality finish.
About GPI: The Graduate School for the Creation of New Photonics Industries
Founded in 2006 with the assistance of various Japanese companies including Hamamatsu Photonics and Toyota, GPI provides a Ph.D. program for students with an entrepreneurial spirit to create new photonics industries. Entrepreneurs, scientists and engineers, and presidents and top managers of small- to mid-sized companies come to GPI to develop their business plans with hands-on support by the professors with management and technical expertise.
For more information about GPI, please visit: http://www.gpi.ac.jp/en/index.html
Sydney, Australia, June 14, 2016 - Roland DG is delighted to announce that two of its recently launched wide format digital print devices; the TrueVIS VG Series and SOLJET EJ-640 have won prestigious EDP awards.
Jerry Davies, President EMEA for Roland DG accepted the award for ‘Best wide format print & cut solution’ for the TrueVIS VG-640 and VG-540 and ‘Best wide format roll to roll printer up to 170 cm’ for the SOLJET EJ-640.
Speaking at the ceremony, which took place at drupa in Dusseldorf, Jerry Davies commented "It’s an exciting time of innovation for the digital wide format print industry, with keen competition driving the release of new products. The EDP recognition demonstrates that Roland DG technology continues to lead the way, offering an award-winning combination of quality, durability and overall return-on-investment."
Since 2007 the EDP Association (European Digital Press Association) has evaluated and celebrated the best new developments in print production, annually presenting awards to the very best solutions in the industry.
The TrueVIS VG Series is the culmination of Roland’s many years of market-leading expertise in the field of integrated eco-solvent print & cut technology, combined with a host of new enhancements. These include four newly developed FlexFire printheads to deliver precise, high quality print at production speeds and new GREENGUARD Gold certified TrueVIS INK which works in synergy with the printheads to optimise output. New powerful and advanced cutting technology delivers increased downforce, accuracy and compatibility with a wide range of media. To enhance the user experience, LED lighting illuminates the print and maintenance areas and the wireless Roland DG Mobile Panel enables full remote printer management from the user’s iOS or Android smartphone or tablet. The new included VersaWorks Dual RIP software offers a range of new features to optimise the efficiency and quality of production.
Winner of ‘Best wide format roll to roll printer up to 170 cm,’ Roland’s new 64” SOLJET EJ-640 eco-solvent printer has been designed with cost-efficient and high-performance productivity in mind. With dual staggered printheads, an integrated tri-heater system and strong chassis, the EJ-640 is built for optimum performance for businesses working on high-volume output.