Luxinar celebrates opening of USA office

Leading laser manufacturer Luxinar has officially opened its USA office near Detroit.  The Luxinar Inc team of John Podwojski, Regional General Manager and Dan McArthur, Technical Support Manager welcomed guests to the regional office in Shelby Township, MI, on 22 June.

CMR GmbH Directors Christian Zimmer and Dr Ralf Kogeler, owners of Luxinar, officiated the ceremony and Managing Director Michael Porbadnik, Finance Director Mitch Mead, Global Sales & Marketing Manager Yannick Galais, and Global Aftersales Manager Simon Bateman from the UK were in attendance.  Several key USA customers, Chamber of Commerce Director Eve O’Connor and Shelby Supervisor Rick Stathakis also participated in the open house.

Commenting on the event, Michael Porbadnik said: “This is an exciting time for Luxinar.  With our expanding installed base and our established regional offices in China, Germany, Italy and South Korea, opening an office in the USA allows us to provide local customer support and local application capabilities to potential and existing customers plus a warehouse of strategic stock of spare parts and exchange parts.”

John Podwojski manages Luxinar’s strategy in the USA including sales, distribution, HR, stock levels and aftersales and Dan McArthur is responsible for tech support, installation, trouble shooting, applications and the repair/alignment centre.  Both roles cover the Luxinar laser portfolio for the USA, Canada and Mexico. This includes the OEM and SR series of CO2 laser sources, which are ideal for many industries including automotive, electronics, glass, packaging and textiles, the LXR® series of femtosecond laser sources that enable ultrahigh precision micro- and nanofabrication of various components with high throughput and repeatability, and the MULTISCAN® range of CO2 laser systems for on the fly or stationary marking.

In addition to sales and technical support, the Luxinar USA office is a fully functional operation offering demonstrations of local application capabilities to potential and existing customers, and a warehouse of strategic stock for exchange purposes throughout the USA.

Luxinar is showcasing its CO₂ laser sources at Laser Korea 2022

Leading laser manufacturer Luxinar is pleased to announce that it will be exhibiting its CO2 laser sources in Hall 4, on Booth #4G22, at this year’s Laser Korea.  This 12th International Laser Technology Exhibition is taking place 6-8 July at Seoul’s KINTEX Exhibition Center I.

Specialising in the manufacture of laser sources for markets including automotive, electronics, glass, packaging and textiles, Luxinar will be showcasing its far-reaching capabilities from its range of sealed CO2 lasers. Taking centre stage will be the company’s SR AOM for distortion-free materials processing and an improved cutting edge alongside a display of CO2 laser sources from the company’s well-established OEM and SR series. Luxinar’s CO2 lasers are available at three wavelengths, 10.6, 10.25 and 9.3 microns, and are widely employed for cutting, perforating, marking and scribing applications. 

The SR 10 AOM and SR 25 AOM, with power ranges up to 150W, are designed to address a wide range of high-precision applications that require a reduced heat affected zone (HAZ), such as multilayer thin film cutting for the display market and high resolution/speed marking. This CO2 laser with integrated acousto-optic modulator (AOM) creates optical rise and fall times of less than 1µs which can minimise unnecessary heat energy from typical pulse rise/fall times of approximately 60µs.

The OEM series of CO2 lasers with a power range up to 1000W represents a compact solution that can be easily integrated into industrial processing production lines both with and without covers.  The range includes an integrated RF power supply, enabling the laser to produce short optical pulses with high peak power or quasi-CW output and it can operate safely over a wide range of pulse widths and frequencies including through the acoustic regions and a broad range of coolant temperatures.  There is also the option for an absorbing thin film reflector (ATFR) to prevent back reflection issues.

The SR series of sealed CO2 laser sources have a power range up to 250W and a rating of IP66; this means they are ideal for the harshest of industrial environments to ensure a high level of protection against water and dust ingress. The product range is constructed for ease of installation, use and maintenance in laser-based processing machines. Each unit has a compact and lightweight mechanical design with a straightforward DC power supply connection, easy-to-understand control interface and digital diagnostics with enhanced LED. The same output beam position allows for power upgrades with minimal design changes and an integrated RF power supply that is replaceable in the field ensures that production downtime is minimal.

“We are excited to be exhibiting face to face once again at Laser Korea,” said Patrick Kim, Regional General Manager of Luxinar’s Korea office. “This allows us to easily present our range of CO2 lasers and the benefits of working with a company that has nearly 25 years of experience in laser technology.” 

Luxinar’s team of experts will also be on hand throughout the exhibition to share their knowledge and provide expert advice on laser technology.

At your service – support when you need it

Whether you have a query, require a repair, need to exchange or purchase spare parts, or require training, Luxinar’s dedicated sales and aftersales teams are on hand. Each team member has an in-depth knowledge of laser technology, the Luxinar product portfolio, and a wealth of experience across a multitude of industries. What they don’t know about laser sources is probably not worth knowing! With local contacts in Asia, Europe and the USA, delays due to time zones are averted. 

Logo for Laser Korea 2022

Luxinar celebrates 70 years of Queen Elizabeth II

UK laser manufacturer Luxinar, and previous winner of two Queen’s Awards, would like to congratulate Her Majesty Queen Elizabeth II on achieving her Platinum Jubilee.

This video demonstrates laser cutting acrylic with a 150W CO2 laser source and laser marking acrylic with a 100W CO2 laser source.

HEY Export! Video case studies: Luxinar

International Day of Light

Lightbulb marking to celebrate 62 years of laser technology

https://youtube.com/shorts/H4oWkysTUoo?feature=share

DC-excited glass laser tubes versus RF-excited, metal slab laser tubes

This article outlines the differences between direct current (DC) excited glass laser tubes and radio frequency (RF) excited, metal slab laser tubes. In particular, it reviews their processing capability, relative lifetime and cost.

Processing capability

In most applications, the processing capability of a laser is determined by its average power, pulsing capability, beam quality and wavelength.  Each of these parameters is determined by the engineering of a specific laser design. In particular, the average power and pulsing capabilities, and the beam quality, vary greatly between DC-excited glass laser tubes and RF-excited metal slab lasers.

Average power

The average power of a laser determines the speed at which an application can be undertaken. Therefore, to meet the minimum speed requirements for a given application the relevant laser technology must be capable of emitting the required output power.

The power scalability of DC-excited glass laser tubes is limited by the discharge excitation and related geometry. A light-producing discharge is created by applying a large DC voltage between a cathode and an anode, each located at opposing ends of the discharge. A high electric field of ~20kV/m is required to initiate the discharge and ~ 13kV/m to sustain it. Handling of these high voltages safely is not trivial and can add unexpected, unseen complexity. The output power of the laser is increased by increasing the length, with typical discharge lengths between 0.5m to 2m to produce output powers between 20W and 160W. The long discharge lengths and high switching voltages limits the power scaling of a single glass tube. Polarisation combining of two glass tubes is possible to increase the maximum output power to ~300W but this results in crossed polarisation at the output. Some optical arrangements include polarisation sensitive components such as beam splitters, acousto-optic modulators (AOMs) and optical isolation which will not function correctly without linear polarisation.  Therefore, cross-polarisation can limit the applications that combined glass laser tubes can undertake.

RF-excited slab lasers do not suffer the same limitations. RF excitation enables the creation of gas discharges over large areas. Unstable resonators are naturally matched to the geometry of the discharge and so can usefully extract light from the whole discharge. Therefore, the combination of RF excitation, slab-like electrodes and unstable resonators result in a laser output that is scaled relative to the area of the discharge, not its length, producing a far more compact device.  In fact, single laser tube devices are commercially available with operating output powers between 20W to 1000W when sealed.

Pulsing capability

The average power of both DC-excited glass laser tube and RF-excited metal slab laser tubes are varied by pulsing the laser. The pulsing capability of a glass laser tube is limited by the difficulty of switching high voltages, typically > 10kV, and the low gas pressure required for consistent striking of the discharge. The low discharge pressures result in long rise and fall times producing modest pulse repetition frequencies before successive pulses overlap and the output no longer consists of distinct pulses.  Pulsing of an RF power supply within an RF-excited laser is far more straightforward. The switching voltages are much lower and the small gap between the slab-like electrodes allows much higher pressures within the discharge. Therefore, the rise and fall times of the pulses are much shorter allowing a much higher pulse repetition frequency before successive pulses begin to overlap.  Ultimately, the RF-excited laser is able to operate at pulse repetition frequencies from single shot to hundreds of kilohertz. The shorter rise and fall times of the RF-excited laser result in much less peripheral damage and heat-affected zone, outside of the intended processed area; therefore, combined with the excellent pulsing characteristics of the power supply, a much wider range of high-speed printing, perforating and drilling applications are possible.

Beam quality

RF-excited, slab lasers ensure a high-quality, near Gaussian distribution by utilising the combination of waveguiding between the slab electrodes and beam correction. This is extremely important for applications requiring high-quality, low kerf widths and low heat-affected zones where multimode profiles create features and damage outside the required processing area.  DC-excited lasers have limited mode selection largely to ensure the maximum output power. Typically, this results in lower mode and machining quality than RF-excited lasers.

Lifetime

DC-excited glass lasers have lifetimes ultimately limited by ‘cathode poisoning’. This is the process of positively charged molecules generated in the gas discharge reacting with the negatively charged cathode, limiting the generation of electrons and, subsequently, the power transferred to the discharge. This causes a drop in the output power before, eventually, emission ceases. RF-excited discharges do not suffer from this effect. Although improvements in glass tube lifetime have been enabled by the introduction of catalysts, quoted lifetimes for DC-excited glass laser tubes are still, at best, only half of those for RF-excited lasers. In fact, anecdotally, it is apparent that often the lifetime of an RF-excited laser is several times longer than that of the DC-excited glass laser.  When glass laser tubes are replaced, often they cannot be regassed or refurbished so are simply destroyed. However, RF-excited lasers can be regassed and refurbished more than once, significantly reducing the waste created.

Cost

A simple comparison of the initial cost of a DC-excited glass laser tube and RF-excited laser shows that the glass laser tube would be cheaper. However, this is often an over-simplification. The increased capability of the RF-excited laser and significantly longer lifetime ensures that the RF-excited laser is not only the most cost-effective choice but the only choice for many applications.

Conclusion

DC-excited glass tube laser sources have their place, generally in applications where processing speed, precision and quality requirements are relatively low. However, the more robust RF-excited laser technology is the choice for more demanding applications, particularly where the laser is required to operate at high speeds and in harsh environments, and where high-quality, repeatable results are essential. In these applications the long service life and consistent performance of an RF-excited laser represent a sound investment.

Luxinar focuses on manufacturing innovations at MECSPE 2022

Leading laser manufacturer Luxinar is focusing on innovations for the manufacturing industry with its CO2 and femtosecond laser sources in hall 21, booth B97 at MECSPE taking place in Bologna, Italy, from 9-11 June.  

Luxinar’s OEM 100iX sealed CO2 laser source with a power range of 50-1000W and a wavelength of 10.6µm is an extension to the company’s OEM series using the same proven RF-excited slab laser design. This 1kW laser source provides higher speeds and increased productivity for processes such as high-volume cutting, kiss cutting, scoring, multi-ply cutting and die board cutting for the packaging, automotive and textile industries. A combination of a narrow wavelength band (0.25µm) and typical power stability (± 3%) delivers high process repeatability.

The SR AOM series, with power ranges up to 150W, is designed to address a wide range of high-precision applications that require a reduced heat affected zone (HAZ), such as multilayer thin film cutting for the display market and high resolution/speed marking. This CO2 laser with integrated acousto-optic modulator (AOM) creates optical rise and fall times of less than 1µs which can minimise unnecessary heat energy from typical pulse rise/fall times of approximately 60µs.

The LXR® series represents Luxinar’s first range of femtosecond laser sources, a technology that has revolutionised materials processing due to its large dynamic range of average powers (up to 120W), pulse energies (up to 100µJ) and pulse repetition frequencies (single shot-40MHz).  Its pulse on demand allows pulses to be evenly spaced regardless of motion speed and the extremely short pulse width of the laser (900 ± 100fs) virtually eliminates heat diffusion to the surroundings of the processed region. These enable ultrahigh precision micro- and nanofabrication of various components with high throughput and repeatability.

Walter Gensabella, Regional General Manager of Luxinar Italy, explains: “We are excited to offer these additions to our laser source portfolio.  The OEM 100iX provides a compact solution that can be easily integrated into industrial production lines on robotic arms, and it has an Industry 4.0 compatible remote diagnostic tool to monitor the health of the laser. The higher quality cutting edge and precise pulse control of the SR AOM series introduces new possibilities for thin film applications and our patented LXR® series, with its beam quality, flexible control and burst mode selection, will allow us to enter new markets and applications in a diverse range of industries that were previously impossible with our range of CO2 lasers.”

The Luxinar Italy team will be on hand throughout the exhibition to share their knowledge and provide expert advice on laser technology.

Cutting-edge laser applications (brochure)

Luxinar’s SR AOM series is ideal for a variety of high-precision processes such as microfilm cutting in the flat panel display market and scribing, engraving, marking and surface patterning applications where minimising HAZ is critical.  Other thin film applications, including those in the automotive, electronics, lighting and flexible packaging industries, can benefit from the higher quality cutting edge which the SR AOM offers when compared to standard pulsed CO2 lasers.

This brochure looks at the applications that are suited to Luxinar’s SR AOM series of CO2 laser sources.

Happy Easter from Luxinar!

These eggs were marked using the MULTISCAN® VS 125W CO2 laser marking system with beam delivery and galvo head. Results may vary according to the colour or quality of the eggshell; for brown eggs, dark shells give the best contrast.

Eggs can be marked at high speed in as little as 0.15 seconds. Large or complex logos may take several seconds, and may require rotation of the egg.

Laser coding is an inkless and environmentally friendly way to apply product information such as dates, batch codes and place of origin or to apply logos and graphics for brand identification and advertising.

NB: This application illustrates the capability of a CO2 laser to mark eggshells. No research has been carried out to prove that the eggs are suitable for human consumption after being laser marked.