The new Revolution series of q-switched, green, pulsed lasers from Coherent, Inc. are the next-generation of the company’s market leading Evolution series, and offer higher power and other enhanced performance specifications, together with industrial-grade reliability. Specifically, Revolution lasers now provide average power up to 80W at a wavelength of 527 nm, with an excellent beam profile featuring an extremely smooth energy distribution. They also deliver pulse rate flexibility; the repetition rate can be smoothly adjusted from single shot to 10 kHz, with an additional option that extends pulse repetition rates up to 40 kHz. Simple integration into amplifier setups and industrial applications is supported by the compact packaging of the new Revolution design; all models feature the same 8.5" x 17" (216 mm x 432 mm) footprint.
Revolution are diode-pumped Nd:YLF lasers, which utilize efficient intra-cavity frequency doubling to generate green output from the near-IR (1054 nm) fundamental. Like all other next-generation lasers from Coherent, the Revolution series are products of Coherent’s “Industrial Revolution” that combine cutting edge performance with industrial-grade reliability.
Revolution design and manufacturing are based on Highly Accelerated Lifetime Testing (HALT) and High Accelerated Stress Testing (HASS). As a specialist in the industrial laser market, Coherent is pioneering the incorporation of proven industrial manufacturing methods such as HALT/HASS screening into the scientific laser arena. For example, during production, every Revolution laser is subjected to multiple temperature cycles of -40°C to +60°C and vibration cycling up to 10 g as essential elements of Coherent’s stringent manufacturing quality and reliability verification protocols.
Revolution lasers are designed for pumping ultrafast amplifiers, both multipass and regenerative, based on Titanium:sapphire, and are already integrated as a standard system component within Coherent’s latest one-box amplifiers, the Astrella family. Revolution lasers are also well-suited for precision materials processing applications, such as semiconductor wafer annealing, that benefit from their high pulse energy and superior beam quality.
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