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We present the latest investigations performed on the LUCIA Yb:YAG diode pumped oscillator (260 mJ, 49 ns, 2 Hz). Thermal distortions as well gain measurements have been explored.
We present the latest investigations performed on the LUCIA Yb:YAG diode pumped oscillator (260 mJ, 49 ns, 2 Hz). Thermal distortions as well gain measurements have been explored.
The aim of the LUCIA program (laser ultra-court intense and applications) is to set up a diode pumped solid state laser chain resulting in a pulse duration in the order of nanoseconds, up to 100 J per pulse and a repetition rate of 1 to 10 Hz. This chain consists of an oscillator, called "Pilote LUCIA" (P.L.) and two amplifiers with Yb:YAG directly pumped by laser diodes. Possible future...
Active mode-locking of a near degenerate (~1064 nm) doubly resonant periodically poled LiNbO3 OPO pumped at 532 nm is reported. Pulse durations as short as 700 ps are observed.
The Lucia laser will deliver a 100 Joules-10 ns-10 Hz pulse train from ceramic/crystal Yb:YAG using 4400 QCW diode laser bars (440 Joules). Petwatt-class laser chain scheme using Lucia as a pump source is described.
Using a picosecond pump and probe time-resolved technique we evidence a single pump pulse photo-induced magnetic ordering in a Mn-doped semiconductor magneto-photonic microcavity operating in the strong coupling regime at room temperature. This nanosecond duration magnetization is attributed to a magnetic ordering of the Mn-impurities mediated through photo-generated holes and enhanced through the...
We show that giant polarization rotations and ellipticity changes can be photo-induced in semiconductor microcavities at room temperature. This sensitive (few muJ/cm2) polarization technique could be useful for high contrast parallel optical signal processing
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