Coherent Introduces Higher Power CEP Ultrafast Laser Amplifier

Santa Clara, Calif., (PresseBox) - A new Carrier-Envelope Phase (CEP) stabilized, Titanium:Sapphire regenerative amplifier-based laser from Coherent, Inc. (Santa Clara, CA) (Nasdaq: COHR) now offers much higher power than any previously available system of this type. Specifically, the Legend Elite Duo CEP delivers up to 10 Watts of power, as well as higher repetition rates (up to 10 kHz), yet it does not require the complexity of cryogenic cooling of the gain medium, unlike systems offered by competitors. Coherent also is currently the only vertically integrated laser manufacturer offering a complete, single supplier, CEP stabilized ultrafast amplifier system. When used as part of an all-Coherent setup, the new amplifier demonstrates CEP phase stability as good as <200 mrad (rms).

One of the most important applications for CEP laser systems is attosecond physics. Here, a compressed amplifier pulse drives non-linear optical effects when focused into a gas jet to generate high harmonics and ultimately create a train of attosecond pulses. Because this process is very inefficient, with a highly non-linear dependence on the driving laser intensity, it is important to start with the highest possible input pulse energy.

In addition to high power, the higher pulse repetition rate of the Legend Elite Duo CEP benefits virtually all CEP applications, as it directly translates into faster data acquisition rates and hence shorter experiment times.

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 Philippe Féru, senior product manager, Research Scientific Lasers Business Unit, at (408) 764 4231. For more information about Coherent, including product and financial updates, visit our website at

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