Left: The new CAMS spectrometer optical system, including the multipass absorption cell, shown right. Right: The cell shows spots from a trace laser depicting each multipass cell traversal. A DFG ...

Researchers at the Fraunhofer Institute for Applied Optics and Precision Engineering (IOF) say that they have built a thulium fiber laser capable of emitting 1.91 kW - nearly double the typical output ...

Lasers operating in the 2 µm spectral range are highly valued for their eye safety, high water absorption, and low atmospheric attenuation ... leading to enhanced laser output stability.

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