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MEGATRENDS IN MUNICH: E-mobility and autonomous driving will be hot topics at Laser World of Photonics in Munich, from 24 to 27 June.

This year's Laser World of Photonics will have a particular focus on electro-mobility and autonomous driving, two global megatrends that are expected to grow dramatically over the coming decade.

The laser and imaging technology on show at this year's exhibition will play a crucial role in breaking into these mass markets, particularly in the efficient mass production of electric vehicles, as well as enabling improved safety via smart sensors.

Market observers anticipate that by 2025, one in every four new cars worldwide will be electric-propelled. And the forecasts for 2030 are for an electro-mobility market share of between 50 and 75 per cent.

Laser technology provides the necessary accuracy and flexibility for the production of electric vehicles, from the welding of hairpins and the cutting of electrical sheets for electric motors, to the welding of connections in battery cells and the joining of dissimilar materials in lightweight vehicle designs.

Application panels

A dedicated application panel: 'No E-Mobility without Laser Technology' has been added to the range of presentations this year. The new panel will take place on Tuesday 25 June from 3 to 5.20pm in hall A3, and will be chaired by Dr Hans-Joachim Krau[beta], of Bayerisches Laserzentrum, Dr Gunter Ambrosy, of Trumpf, and Dr Alexander Olowinsky, of the Fraunhofer Institute for Lasertechnology ILT. The preexisting Lasers in Manufacturing (LiM 2019) section of the Laser World of Photonics Congress--run in parallel with the trade show--will also include presentations on how lasers can be used to facilitate e-mobility. Other laser materials processing application panels also taking place in hall A3, include:

* Modelling and Simulation of Laser Material Processes (Monday 24 June, 10am to 12.20pm)

* Perspectives and challenges for applications with Ultrashort Pulsed Lasers (Monday 24 June, 2.40 to 5pm)

* Smart Production of Metallic Parts by Additive Manufacturing (Wednesday 26 June, 10am to 12.20pm)

* Machine Intelligence and the Role of Photonics (Wednesday 26 June, 3 to 5.20pm)

* Lasers in Microelectronics: The Future is digital (Thursday 27 June, 10am to 12.20pm)

Special show: Photonics in Production

Topics including battery manufacturing and laser beam welding with blue light (more on page 24)--a new trend in laser processing identified to be especially suited to the field of e-mobility--will be showcased at the 'Photonics in Production' exhibit in hall A3, at booth 251.

Here, 300m2 of floor space will be dedicated to providing a comprehensive view into current trends and research findings in the field of laser material processing. Two live demonstrations will be given at the exhibit, one on high-efficiency welding with blue light, and the other on measuring welding depths using OCT and machine learning technologies.

Guided tours

This year the guided tours--introduced in 2017--will be based on the topics discussed in the applications panels. Tours are approximately two hours long and will begin at the Photonics in Production exhibit.

The topics of the upcoming tours, which require advanced registration, are:

* Inline process monitoring of laser welding processes (Tuesday 25 June, 9.30am)

* Guidance and shaping of high power laser radiation (Tuesday 25 June, 1.30pm)

* Current trends in laser drilling (Wednesday 26 June, 10am)

* Laser beam welding using visible laser radiation (Wednesday 26 June, 2pm)

Encouraging young talent

The trade fair continues to support the relationship between industry and academia, with activities such as the Makeathon, which made its debut in 2017. Around 80 to 100 students--from Germany and abroad--have the chance to demonstrate their photonics expertise by developing innovative solutions using the technology over a 24-hour period. The solutions are then presented.

Katja Stolle, exhibition director for the trade fair, said this event has been moved to a more central location in its exhibition hall this year, further highlighting the event and encouraging more attendees to stop by and learn about the projects undertaken by the students.

The organisers of the trade fair are also encouraging students to visit exhibition booths in greater numbers, with a new 'QR Rally', where certain exhibition stands throughout the halls will feature a scannable QR code that students can capture with their smartphones.

The code will then lead them to a set of questions that they can answer and discuss with exhibitors.

Both the Makeathon and the ever-growing Start-Up Pavilion, which offers discounted exhibitor rates for new companies looking to make their market debut, will be located in hall B2.

Exhibitors

Applied Laser Engineering

Hall B2, Booth 121

Applied Laser Engineering will be showcasing its range of laser engraving systems capable of producing high-resolution 2D and 3D graphics on the surface of cylindrical and flat substrates, for use in various printing, texturing, security and embossing applications. The range of materials that can be processed by the firm's systems includes metals, ceramics, rubber and natural and synthetic polymers.

The firm's range of laser engraving systems are all special-purpose machinery, involving a high precision machine bed integrated with novel mechanisms and optical instrumentation, together with specialised electronic, optical, computerised and laser equipment. Laser type and wavelength are application- or material-specific. Machines range from 0.6 to 7m roller length capability and up to 1m diameter.

www.appliedlaser.co.uk

Fraunhofer ILT

Hall A2, Booth 431

In keeping with the theme of this year's trade fair 'No e-mobility without laser technology', the Fraunhofer Institute for Laser Technology ILT will be using Laser-Based Tape-Automated Bonding (LaserTAB) to demonstrate how even the most diverse battery cells and power electronics can be combined quickly, reliably and efficiently using robot-assisted laser micro welding.

Visitors to the joint Fraunhofer booth can admire the electric racing car 'eace05' of the Ecurie Aix-Formula Student Team from RWTH Aachen--an excellent example of the use of laser technology in e-mobility, containing laser-welded batteries, as well as laser-cut CFK-components.

Visitors also can learn more about the results of the collaborative research project eVerest (more on page 6), in which a laser machine has been developed that triples the rate at which tools can be made for embossing plastic panels for vehicle interiors--a process that has previously been very time consuming. The project will also be presented as part of an application panel on the automation of laser applications, from 3 to 5.20pm on 26 June at the Laser Materials Processing forum in hall A3, booth 545.

www.ilt.fraunhofer.de

Laser Components

Hall B3, Booth 303

Laser Components will be exhibiting high-quality beam shaping and beam splitting diffractive optical elements (DOEs) from Holo/OR, made from fused-silica quartz glass for laser materials processing applications at powers up to several kilowatts. The full product range includes optics for wavelengths from 266 to 2,200nm. The customer may choose from numerous different beam shapes. Special requirements such as particularly high beam homogeneity or additional AR coatings are taken into account during development and production.

www.lasercomponents.com/uk

Laserline

Hall A3, Booth 303

Laserline, a developer and manufacturer of diode lasers for industrial material processing, will present further developments of its LDF and LDM laser systems.

The highlight of the exhibition presentation is the LDMblue 1000-100--the world's first blue diode laser with 1kW CW output power. It works with a wavelength of 450nm and is designed as a compact 19-inch rack mount module. The LDMblue is suited to performing controlled heat conduction welding of non-ferrous metals, such as copper or gold.

Furthermore, with the optics of its new OTC series, Laserline is able to offer processing optics for welding and cladding applications. These affordable optics are available in five standardised versions and are optimally suitable for robotic applications, due to their compact design and low weight.

www.laserline.com

MKS Instruments

Hall A2, Booth 209

MKS Instruments will present its Surround the Workpiece concept. The interactive presentation at the MKS stand bundles the wide variety of products and services in the MKS Instruments Light & Motion division with its brands Spectra-Physics, Ophir and Newport.

Spectra-Physics combines laser technologies with deep application expertise to deliver lasers for precision industrial and scientific research applications. Ophir specialises in laser and LED measurement, including laser power and energy meters and laser beam profilers. Ophir also provides high-performance IR thermal imaging lenses and optical elements, as well as optics for C[O.sub.2] and high-power fibre laser material processing. Newport offers solutions including motion control, optical tables and vibration isolation systems, photonic instruments, optical and opto-mechanical components.

The Surround the Workpiece concept includes product design and development, system-level integration, research and development, component selection and maintenance, repair and calibration services in the field of laser-based guidance and control for manufacturing processes.

www.mksinst.com

Nuburu

Hall B3, Booth 103

Nuburu will be presenting its high-brightness 500W blue (450nm) diode laser, the AO-500, which offers deeper penetration depth in materials processing applications involving gold, aluminium, and copper, among other metals. The blue light is absorbed much more by these reflective materials than the infrared wavelengths of conventional industrial lasers.

The efficiency and quality of materials processing applications are driven by power density. Increasing power density by a factor of four increases weld depth more than one-and-a-half times and increases the weld speed three to four times.

The AO-500 has an innovative design that individually aligns each of the output beams from sixteen multi-diode packaged chips, offering a high brightness. Early adopters are already leveraging the advantages of the high power and brightness in applications such as battery fabrication, automotive component production, e-mobility device fabrication, and electronic packaging.

www.nuburu.net

OPI Photonics

Hall A3, Booth 217

OPI Photonics, an Italian innovative SME based in Torino, will be showcasing its line of beam switches and couplers for fibre lasers up to 10kW. These devices are essential in complex production lines, either for sharing the same fibre laser resource among different workstations (laser switches for time or power sharing) or to keep the process cable separated from the laser feeding fibre (laser couplers).

Fibre laser manufacturers can integrate couplers and switches inside their sources as a value-added option; system integrators can find the right input-output fibre combination yielding the most effective solution for their production line. Both devices are fully customisable and OPI can provide its expertise to identify the best solution. The equipment is PL-e certified.

www.opiphotonics.com

PicoQuant

Hall B2, Booth 216

PicoQuant will be presenting the latest additions to its photonics portfolio, the main highlight being the new Taiko PDL M1, a smart picosecond pulsed laser driver that can be used in combination with the laser heads of the firm's LDH series.

The Taiko PDL M1 grants the user full operational control over picosecond pulsed laser heads. It enables the reading out and adjustment of many parameters on the fly, either through a local one-button interface, or remotely via a PC. These parameters include repetition rate, operation temperature, or even fully calibrated and linearised optical output power.

www.picoquant.com

Scanlab

Hall A2, Booth 225

Scanlab will be highlighting its new encoder-based scan system ExcelliSCAN 20 at the show, which through smaller spots and large image fields enables the smallest patterns in micro structuring to be made using lasers. The scan system offers an increased working distance, allowing for more flexibility in highpower laser applications. Its intelligent SCANahead control dynamics increase productivity --particularly in 3D printing.

www.scanlab.de

Sisma

Hall A3, Booth 411

Sisma will be showcasing its Power Ramp software function, developed to optimise laser welding processes, specifically at two critical points--the start and end of the welding process.

Power Ramp operates at the start of the welding process by reducing the power supplied by the laser beam and gradually increasing it until the selected nominal value is reached. In the final phase of the welding process, Power Ramp operates inversely, reducing the nominal power delivered by the laser beam to obtain a gradual shutdown.

By modulating the power delivered by the laser beam in the initial and final phases of a welding process, Power Ramp is able to avoid the onset of porosity and cracks, marginal incisions--surface depressions that can be generated at the end of the weld bead--as well as prevent the formation of any other aesthetic and functional defects.

In addition to Power Ramp, Sisma will also be showcasing its MYSINT 100 metal 3D printer, and multiple vision systems for process monitoring at its booth.

www.sisma.com

TBH

Hall A3, Booth 400

TBH will be exhibiting its energysaving, low-maintenance, extraction systems for protecting employees and machines from even the smallest particles of laser fumes. The systems feature a noise-reducing engine and powerful control electronics, as well as offer a high filter quality that enables them to operate even in closed systems.

In addition to improving air quality and promoting employees' health, the extraction systems improve the cleanliness of laser processing, helping improve cut quality and the precision of machining. The modular design of TBH's extraction systems enables them to be adapted to different laser processes.

www.tbh.eu

ULT

Hall A3, Booth 118

Extraction and filtration firm ULT will be introducing its new digital customer service FireCS, which provides access to fume extraction units via LAN/WLAN through a special webserver. This will allow customers to read out device data, filter saturation, performance data, or the next maintenance date. A specifically designed online portal will enable users to easily access device information, exchange system data with ULT, or even order replacement filters for dedicated units. Furthermore, it is planned that laser processing systems will be able to control and communicate with fume extraction devices in the near future.

ULT experts will also be on EVENT FOCUS: LASER WORLD OF PHOTONICS hand to provide information on how to guarantee safety for employees, manufacturing plants, product quality and complete processes.

ULT offers a range of both turnkey and customer specific systems to remove hazardous airborne pollutants from laser smoke or laser dust. In addition, the firm has a wide portfolio of extraction and filtration solutions for additive manufacturing, for air and gas cleaning, as well as post-processing issues.

www.ult.de

OPHIR FEATURED EXHIBITOR

Automated Beam Profiling for Manufacturing

Measure critical beam parameters in industrial environments at high power levels with Ophir BeamWatch Integrated. The solution was developed for use in automated production lines and is based on Ophir's noncontact laser measurement technology. BeamWatch Integrated accurately captures and analyses focal spot data of industrial lasers for wavelengths from 980 to 1,080nm. The system provides real-time measurements of focused laser beams with a power density that is too high for traditional measurement devices. Because there is no contact with the focused beam, there is no wear on the instrument, making it ideal for 24/7 use in production environments. Beam parameters measured include focus spot width and location, focal shift, centroid, M2, divergence, beam parameter product, Rayleigh length, beam tilt angle and absolute power.

* Real-time measurement

* Focal shift detection

* Laser measurement during loading/unloading

* Power meter with integrated Profinet interfaces

* Limit values can be set to trigger actions

* All parameters are analysed and stored

More information:

www.ophiropt.com/photonics

3D-MICROMAC FEATURED EXHIBITOR

Selective Laser Annealing System for Semiconductor, Power Device and MEMS Manufacturing

3D-Micromac will be exhibiting its new microPRO laser annealing system, designed to enable several key process steps in semiconductor, power device and MEMS manufacturing, such as:

* Ohmic contact formation in silicon carbide (SiC) power devices to improve resistance

* Giant magneto resistive (GMR) and tunneling magneto resistive (TMR) sensor manufacturing

* Dopant activation for insulated gate bipolar transistors (IGBTs), as well as activation of backside-illuminated CMOS image sensors.

The system combines a state-of-the-art laser optic module with 3D-Micromac's modular semiconductor manufacturing platform and provides selective annealing in a versatile system.

The microPRO features a line scan option for vertical selective annealing and a step-and-repeat spot option for horizontal selective annealing, as well as three optional laser wavelengths.

microPRO provides the following benefits:

* High precision, repeatability and throughput

* Excellent selectivity to different substrates and films

* Very high energy homogeneity

* Precise process monitoring

* Multiple options for pulse length, pulse energy and overlap

More information:

www.3d-micromac.com

NEWSON FEATURED EXHIBITOR

Smart deflectors for adaptable steering

Newson will be showcasing its Smart Deflectors for adaptable steering of the laser beam. The Smart Deflector can be fitted with 10, 15, 20 or 30mm aperture mirrors and offers a fully-integrated rotational servo system. Available angular ranges are 800, 640 and 180mrad.

Other features of the Smart Deflector include: Single coaxial SDP (shared data power) connection; 20 bit set point control; low drift (typical 12[micro]rad per eight hours); low temperature coefficient (typically 25ppm/[degrees]K); moving coil drive with low inductance for superior speed; fully digital H-bridge for single supply (12VDC) operation at maximum efficiency; spring preloaded hybrid bearing system for long life time; and field replaceable mirrors and auto tune support.

The firm will also be exhibiting its CUA32 control card, a six-axis numerical control system that can steers up to three Smart Deflectors and up to three stepper drivers.

Features of the CUA32 control card include: full 3D hybrid marking support; control of up to 17 digital and four analogue IO's; direct AC (110-240 V) or DC (24-48V) power connection; up to eight systems can be interconnected as master/slave; USB and Ethernet for host connection; Ethernet, CAN and UART for system integration; DIN rail mountable; modular internal construction for easy customisation; application interface through G-code or DLL; and configuration software for activation of advanced features.

More information:

www.newson.be
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Title Annotation:EVENT FOCUS: LASER WORLD OF PHOTONICS
Publication:Laser Systems Europe
Date:Jun 22, 2019
Words:2889
Previous Article:WELDING ACROSS THE SPECTRUM: Matthew Dale explores the range of laser solutions available for copper processing applications in e-mobility.
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