27 August 2008

OEM Ultraviolet Laser Delivers Low Beam Divergence

The new MATRIX™ 355 BE from Coherent, Inc. (Santa Clara, CA) (Nasdaq: COHR) is a frequency-tripled DPSS (diode pumped solid state) laser that delivers a unique combination of low output noise and low beam divergence. Specifically, this is the first OEM UV laser to incorporate an integral beam expander within the sealed laser head, which results in an output beam diameter (1/e2) of 2.2 mm and a divergence of only 0.5 mrad. This low divergence is an advantage in many OEM applications, especially those having particularly long beam delivery paths or requiring high NA focusing. The new laser is offered with a choice of 1 or 2 watts of average power and pulse repetition rates as high as 60 kHz.

As with other MATRIX lasers, the MATRIX 355 BE is fully RoHS compliant and backed by an 18 month/10,000 hour warranty. The MATRIX 355 BE is optimized to deliver long-lifetime operation for precision applications in materials processing and marking, such as stereolithography (rapid prototyping), LCD/FPD titling, memory repair, thin film ablation, internal glass marking, cold marking of plastics and semiconductors, and semiconductor scribing.

Founded in 1966, Coherent, Inc. is a Russell 2000 Index company and a world leader in providing laser-based solutions to the commercial and scientific research markets. Please direct any questions to Tobias Pflanz, product marketing manager, at +49 - 451 - 3000 446. For more information about Coherent, including product and financial updates, visit our website at

Contact: Roy Harris

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