12 March 2013 Pulsed picosecond 766 nm laser source operating between 1-80 MHz with automatic pump power management
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Abstract
The optical amplification and frequency conversion of a gain-switched 1532 nm distributed feedback (DFB) laser diode over a wide range of repetition rates are studied. A two stage Erbium fiber amplifier setup is pumped at 976 nm and operated at 1 to 80MHz pulse repetition frequency. The seed laser repetition rate is evaluated directly inside the pumping electronics to set the optimum pump power. Second-harmonic generation to 766 nm is achieved in a periodically poled lithium niobate bulk crystal. There is a high demand of several hundred milliwatt of picosecond pulsed laser power for stimulated emission depletion (STED) microscopy.
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Thomas Schönau, Thomas Schönau, Torsten Siebert, Torsten Siebert, Romano Härtel, Romano Härtel, Thomas Eckhardt, Thomas Eckhardt, Dietmar Klemme, Dietmar Klemme, Kristian Lauritsen, Kristian Lauritsen, Rainer Erdmann, Rainer Erdmann, Nicole Bornemann, Nicole Bornemann, } "Pulsed picosecond 766 nm laser source operating between 1-80 MHz with automatic pump power management", Proc. SPIE 8604, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XII, 860409 (12 March 2013); doi: 10.1117/12.2003900; https://doi.org/10.1117/12.2003900
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