PRODUCT UPDATE LASERS PicoBlade 2 ultrafast laser


Lumentum has reduced the size of its PicoBlade ultrafast laser. The PicoBlade


2 offers additional capabilities in a footprint 50 per cent smaller than its predecessor. Ultrafast laser pulses, with proper energy density and wavelength, can process materials where thermal effect must be eliminated, including drilling and texturing of metals and cutting wafers, polymeric stents, display processes, and speciality glass used in mobile devices.


PicoBlade 2 offers FlexBurst and MegaBurst functionality to give users the ability to split the energy of a single pulse (single pulse mode) into a group of pulses (burst mode). Correctly aligning this capability with the type of material processed can further minimise heat effect and increase the ablation rate from the cutting sample.


Spirit One femtosecond laser


Spectra-Physics has introduced Spirit One 1040-8, a compact, industrial femtosecond


laser. Combining power supply and laser head in a single rugged and compact package, the laser is easy to integrate into machine tools and systems, and delivers stability and long term reliability. The laser is perfect for high precision applications including microsurgery, femtosecond micromachining, and medical device manufacturing.


Spirit One 1040-8 provides 8W average power and 40µJ pulse energy at 1,040nm, with repetition rates up to 1MHz. A second harmonic generation (SHG) option is available for software selectable 520nm or 1,040nm output. The laser offers process flexibility with an adjustable pulse duration option, allowing the user to choose pulse durations from 400fs to 4ps. A picosecond model, Spirit One ps 1040-10, is also available


Rapid FX for micromachining


The new Rapid FX from Coherent is a cost effective femtosecond laser solution for


high precision micromachining of metal, glass, sapphire, ceramic and other dielectric materials. The solid-state laser delivers 900fs pulse widths, with pulse energy of up to 100µJ, at a repetition rate of 100kHz, with optional operation at up to 200kHz. Together with its high beam quality (M²<1.4) and pulse-on-demand operation, Rapid FX’s pulses enable the production of micron- scale features, with virtually no heat affected zone.


The laser has a low initial purchase price The laser also has a function called


with 13ps pulse width, 10W output power, and 50µJ pulse energy.


Spirit One integrates laser head and power supply into a single lightweight and compact unit. The laser includes an integrated pulse picker for fast pulse selection and power control for high process throughput.


The two new Spirit One lasers build on


the proven Spirit and Spirit One industrial laser platforms, and have passed extensive environmental qualification testing to ensure high reliability. Fully automated and computer controlled, the laser has excellent beam pointing stability during continuous operation. Spectra-Physics has also introduced the Spirit HE, a new line of high energy, versatile industrial femtosecond lasers. With pulse energies of 120µJ and average output powers of 16W, the lasers offer fast micromachining of a wide range of materials. www.spectra-physics.com


AccuTrig, providing accurate triggering function for on-the-fly processing capabilities. In addition, Sync enables precise timing control for applications benefiting from the increased productivity achieved with high- speed galvo or line scanners. PicoBlade 2, like the previous PicoBlade generation, incorporates Lumentum’s wear-and-tear free semiconductor saturable absorber mirror (SESAM) technology. This gives PicoBlade 2 robustness and ensures excellent long-term stability. In addition, PicoBlade 2 has one of the largest frequency operating ranges, from single shot to 8MHz. This ability, when coupled to Sync, gives the necessary combination to make the most of high-speed polygon line scanning for high- volume manufacturing. www.lumentum.com


and is reliable, making it an economical choice for a variety of industrial applications requiring high uptime and consistent performance. Typical examples include drilling holes in automotive fuel injector nozzles, glass and sapphire scribing for display and smartphone manufacture, and precision structuring of medical implants. While Coherent’s portfolio of picosecond and nanosecond lasers offers many compelling application advantages, the Rapid FX femtosecond laser provides improved dimensional accuracy and an expanded process window. www.coherent.com


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ISSUE 30 • SPRING 2016 LASER SYSTEMS EUROPE


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