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UV Fiber Laser supports precision micromachining.

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UV Fiber Laser supports precision micromachining.
UV Fiber Laser supports precision micromachining.
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February 12, 2013 - Producing TEM00 (M <1.3) output beam, Daytona™ 355-20 delivers over 20 W of power in sub-nanosecond pulses,at repetition rates over 1 MHz at 355 nm. Platform can be adjusted to match exact needs of particular application. For example, pulsewidth can be adjusted from <1 ns to 20 ns, while repetition rate can go from single shot to over 2 MHz. Applications include wafer dicing, scribing, and drilling; glass scribing for touch panels and LCDs; and thin film scribing for PV manufacturing.

UV Fiber Laser Offers High Precision, High Throughput Processing

(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

Coherent Inc., Laser Group
5100 Patrick Henry Dr.
Santa Clara, CA, 95054-1112

Press release date: February 5, 2013

Santa Clara, Calif. – A unique new ultraviolet fiber laser from Coherent, Inc. (Santa Clara, CA) (Nasdaq: COHR) offers the precision processing capabilities of a short-pulse, picosecond laser, together with the high throughput speed characteristic of a Q-switched, diode-pumped, solid-state laser. This is because the Daytona™ 355-20 delivers over 20W of power in sub-nanosecond pulses, at repetition rates of over 1 MHz (at 355 nm). In addition, the Daytona produces a TEM00 (M <1.3) output beam, making it ideal for precision micromachining. Moreover, Daytona is a highly flexible platform that can be adjusted over a broad operating range to match the exact needs of a particular application. For example, pulsewidth can be adjusted from <1 ns to 20 ns, while repetition rate can go from single shot to over 2 MHz.

The key to micromachining without peripheral thermal damage – a heat affected zone (HAZ) – is a short wavelength to drive cold photoablation and a short pulsewidth to limit thermal flow during this ablation. Traditional Q-switched UV lasers deliver pulsewidths of tens of nanoseconds creating an unacceptable HAZ in many applications. Until Daytona, the only alternative was to use lasers producing 10’s of picoseconds, but these did not have sufficient output power in the UV to support high throughput industries. Daytona is thus the first laser to deliver the optimum combination of precision and power for these applications.

Applications that can benefit from Daytona’s unique operating regime span high precision processing of a wide range of materials in high throughput applications. Specific examples include wafer dicing, scribing and drilling (especially with low materials), glass scribing for touch panels and LCDs, touch screen patterning, as well as thin film scribing for photovoltaics (solar) manufacturing.

Founded in 1966, Coherent, Inc. is a world leader in providing photonics based solutions to the commercial and scientific research markets, and is part of the Standard & Poor’s SmallCap 600 Index and the Russell 2000. Please direct any questions to Victor David, product line manager, at (408) 764-4088. For more information about Coherent, including product and financial updates, visit our website at .
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