Abstract
We report on the first to our knowledge direct diode-pumped Ti:sapphire ultrafast regenerative amplifier system. Pumped with CW 450nm fiber-coupled laser diode modules and employing cryocooling of the ti:sapphire, this first implementation produces multi-µJ pulse energy at 50–250 kHz rep rate. We discuss the unique challenges as well as the solutions to these challenges for this laser system. Direct diode pumping of ti:sapphire promises new life for the most-widely used ultrafast technology for basic science research, as well as for the bio-medicine and micro-machining.
© 2017 Optical Society of America
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