Jan 2011Coherent Inc.Request Info
SANTA CLARA, Calif., Jan. 14, 2011 — Coherent Inc. has unveiled the Verdi G8, a high-power, 532-nm, scientific-grade continuous-wave green laser based on proprietary optically pumped semiconductor laser (OPSL) technology, where the rod-based gain medium is replaced with a semiconductor chip.
With 8 W of output in a TEM00 beam, it provides a next-generation solution for pumping Ti:sapphire-based ultrafast laser oscillators in applications such as time-resolved and Raman spectroscopy, pump-probe dynamics and materials research.
Like other Verdi G lasers, it produces low noise of <0.03% rms, and its short upper laser lifetime eliminates so-called “green noise”. In addition, the thin OPSL chip (a few microns) prevents thermal lensing effects that are present in all diode-pumped solid-state lasers, which means that the output power can be adjusted over the entire dynamic range without affecting beam parameters, and the laser produces no thermal lensing effects.
The OPSL technology has been proven in more than 25,000 units now in the field. This technology, combined with the proprietary PermAlign manufacturing process, is a reliable approach to generating visible laser light. Mean time to failure is more than 50,000 h, backed by a two-year/10,000-h warranty and resulting in a low overall cost of ownership.
Applications include scientific research, terahertz generation, optical tweezers, amplifier seeding, ceramic processing, laser inspection and optical data storage.