PRODUCT UPDATE PRODUCT UPDATE OPTICS
Techspec DA fixed YAG beam expanders
Edmund Optics has
introduced its compact Techspec divergence adjustable (DA) fixed YAG beam expanders,
designed for demanding applications including laser materials processing, medical treatments and research.
The beam expanders are optimised for common Nd:YAG wavelengths, including 1,064nm, 532nm, 355nm, and 266nm for high performance transmitted wavefronts. Their precision Galilean optical designs provide λ/10 transmitted wavefront error. The beam expanders can also be adjusted to increase or decrease the divergence angle in order to compensate for input beam divergence.
The expanders have an entrance aperture of 10mm and an exit aperture of 23mm in the 2x and 3x magnification models, while the 10x models feature a 7.5mm entrance aperture and a 26mm exit aperture.
www.edmundoptics.eu
Fibre endcaps
Fiberguide’s fibre endcaps increase power handling tolerances of optical fibre cores for high power assemblies. The large endcaps – up to 25mm – can handle laser input power of 5kW. The endcaps reduce power density at the air- silica interface – a common point of laser damage – allowing higher coupled power into the fibre core. Fiberguide’s laser processing minimises surface imperfections and maximises power handling. The firm can also treat endcaps with its RARe Motheye anti-reflective process, creating endcaps with less than 0.5 per cent reflectance. When coupled with RARe Motheye-treated
fibres, Fiberguide endcaps produce an assembly capable of high transmission efficiency with low reflective properties, ideal for applications requiring high power such as laser welding and engraving.
www.fiberguide.com
26 LASER SYSTEMS EUROPE ISSUE 37 • WINTER 2017 SAFETY LAS 260 for explosive environments
ULT’s new conductive version of its LAS 260 extraction and filtration series is ideally
suited for processing tasks involving materials that may generate inflammable or explosive dust/air mixtures, for instance titanium. These gas mixtures are challenging to capture and filtrate, and a special filter concept is required to prevent additional ignition sources within the extraction system.
The new LAS 260 system features two
grounded filter modules, F9 and H14, and was developed for the removal of airborne pollutants in materials processing involving laser or welding technologies. It offers an economic filter exchange and energy management solution for cost savings in the long-term. The new mobile and versatile system concept means the LAS 260 can be implemented at different work stations. The system is also suited to applications on production lines.
www.ult.de
AD 4000 iQ fume extractor
Bofa International’s AD 4000 iQ unit meets the evolving extraction needs of the laser
sector by offering larger air flow and higher vacuum fume extraction performance. The new unit introduces Bofa’s Intelligent (iQ) operating system technology, which provides greater system control and access to independent filter condition monitoring to avoid downtime through unscheduled filter replacement. It also allows the operator to set the recommended flow for the laser requirement, with the display providing real-time visual feedback on whether the air flow is correct. In addition, the motors on the new model deliver higher vacuum performance – ideal for longer pipe runs and pressure drops – while the
three DeepPleat Duo pre filters provide nearly three times the surface area of the previous AD 4000 model, thereby significantly extending filter life. The higher air flow capability means that fumes can be removed from a larger working area.
www.bofa.co.uk
@lasersystemsmag |
www.lasersystemseurope.com
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