Technical Note:
The Ti:Sapphire Laser

Photonics Spectra, July 2010

Julien Klein

Since their invention in the early 1980s, titanium-doped sapphire (Ti:Al2O3 or Ti:sapphire) lasers and amplifiers have enabled countless applications in fundamental research in physics, biology and chemistry. Today, they play an important role across a wide range of photonics applications, including multicolor ultrafast spectroscopy, multiphoton deep-tissue imaging, terawatt and petawatt physics, and “cold” micromachining.

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