Posted in | Laser

New High-Power Diode Laser Bars Feature Simplified Integration

PulseLife TM Horizontal Arrays from Coherent, Inc. are a new series of diode laser packages that deliver high-power output while offering simplified water-cooling requirements.

Utilizing Coherent's new PulseLife telecom-grade solder technology and our proven AAATM (Aluminum-free Active Area) epitaxy, these products are available in two-bar or three-bar linear arrays, with output powers of 80 Watts and 120 Watts, respectively, at 808 nm. The use of Coherent's all-new, macro-channel cooling architecture in these devices eliminates the corrosion problems that have plagued other diode laser cooling approaches; this new design enables the use of plain, filtered (<100 µm) industrial cooling water, without the cost and complexity of a water-conditioned control system.

PulseLife Horizontal Arrays are primarily intended for solid-state laser pumping applications. The PulseLife's compact size facilitates placement around the laser crystal within the resonator. Integration is further simplified because the laser bar heat sink is electrically isolated. PulseLife Horizontal Arrays also feature superior lifetime characteristics, with a mean time to failure (MTTF) of over 20,000 hours, further lowering their total cost of ownership.

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