SHOW PREVIEW: SPIE PHOTONICS WEST 2018 CUT ABOVE IN SAN FRAN


The US photonics show, which takes place from 27 January to 1 February 2018 in San Francisco, will have a range of industrial laser equipment on display


M


ore than 5,200 technical presentations in addition to various industry panel discussions will be held alongside the Photonics West exhibition in San


Francisco. The symposium is expected to attract an international audience of more than 20,000. Conferences are organised into tracks on


biomedical optics (BiOS), industrial laser sources and applications (LASE), and optoelectronics and photonic materials and devices (OPTO). A highlight for the industrial laser sector


includes a talk by Berthold Schmidt, CTO of the business unit Trumpf Laser Technology and CEO of Trumpf Photonics, on 31 January, titled ‘Advanced Industrial Laser Systems and Applications’. The industry programme will also include talks


on laser sources, nonlinear optics and beam guiding, micro and nano applications, and macro applications. The LASE 2018 Symposium Chairs include


Reinhart Poprawe from the Fraunhofer Institute of Laser Technology ILT and Koji Sugioka from Ricken.


Prism award finalists The 2018 Prism awards, which recognise innovative product inventions within the optics and photonics field, will also be taking place for the 10th time in 2018. Winners will be announced on 31 January at a gala banquet during Photonics West. The three finalists in the materials processing


and additive manufacturing category are Chinese firm Han’s Laser, Germany’s Limo, and Colorado-headquartered Nuburu. Han’s Laser was selected for its multi-axis


and high-precision UV laser system for PVD ablation processing, which is designed for manufacturing smartphones. The system features a Draco series sub-nanosecond UV laser with up to 10W output power at 100kHz, as well as a four-axis motion control system with 1.5m/s speed, 1g acceleration, and 2µm positioning accuracy.


ALPHANOV will be displaying a new picosecond laser oscillator. The Pocket-size Ultrashort Laser Source (PULS) offers a monolithic solution for seeding ultrafast laser amplifiers and for applications in multiphoton imaging, laser micromachining and biophotonics. PULS covers a large range of


wavelengths. It delivers linearly polarised laser pulses with a nearly Fourier-transform limited pulse duration and a tuneable repetition rate in the 20-70MHz range. www.alphanov.com


JENOPTIK will show a motorised beam expander, 1x to 8x, designed for industrial use. The beam expanders cover wavelengths of 355nm or 1,030nm to 1,080nm. The expansion can be adjusted continuously from 1x to 8x using software commands in order to change the spot size on the workpiece. The divergence of the laser beam


Limo was highlighted for its Activation Line


UV-L750 beam shaping solution, which offers a 750mm line length at 341-353nm for use in mass OLED production in the flat panel display market. The Activation Line offers fast process speeds, high process efficiency and high productivity through simultaneous large-area processing along the laser line. The homogeneous intensity distribution of the line beam profile ensures uniform and consistent high-quality process results. Nuburu’s chosen AO-150 CW laser features


a modular design that combines individual 450nm diode lasers to produce 150W of blue output power in a high-quality optical beam. The output wavelength of the laser matches the absorption curves for several common metals such as copper, enabling both quantitative and qualitative enhancement in materials processing applications. ‘It is a great honour to have Nuburu


nominated along with the many excellent innovators in this year’s Prism award programme,’ commented Mark Zediker, CEO of Nuburu.


can be precisely adjusted to achieve tolerance compensation in the entire system, for example to compensate for thermal effects. Controlling the divergence also makes it possible to change the position of the working plane, for instance for 3D processing. Both features – automatic magnification and focusing – help to reduce setup times. Thanks to an innovative frame


concept the beam expanders are compact and robust. The lenses do not rotate during focusing or magnification, but are moved within a linear guide, resulting in excellent beam stability. The optical system is designed in such a way that a diffraction-limited image quality is achieved across the entire expansion range. The motorised beam expander is


a perfect match for Jenoptik’s F-theta lenses and can be used in a large number of beam guidance systems. It is used in the production


22 LASER SYSTEMS EUROPE ISSUE 37 • WINTER 2017 @lasersystemsmag | www.lasersystemseurope.com


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