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Narrow-band infrared picosecond pulses tunable between 1.2 and 1.4 µm generated by a traveling-wave dye laser

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4 Author(s)
T. Elsaesser ; Technischen Universtät München, München, Germany ; H. Polland ; A. Seilmeier ; W. Kaiser

A novel type of picosecond light source is the traveling-wave dye laser. It consists of a generator and an amplifier cell, both pumped by single pulses. Using the fast switching dye No. 5 with a fluorescence quantum efficiency of 5 \times 10^{-4} , one obtains an energy conversion of the pump to the IR pulse of up to 10 percent. The spectral width of the IR pulses is 15 cm-1over the tunability range of 1.18-1.4 \mu m. At 1.33 μm we observe Gaussian shaped pulses of 4.4 ps duration for pump pulses of 4.5 ps generated by a mode-locked Nd:glass laser. The output pulses show a high stability with a jitter of less than 0.2 ps.

Published in:

IEEE Journal of Quantum Electronics  (Volume:20 ,  Issue: 3 )