Programmable amplitude- and phase-modulated femtosecond laser pulses in the mid-infrared
Optics Letters, Vol. 27, Issue 2, pp. 131-133 (2002)
http://dx.doi.org/10.1364/OL.27.000131
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Abstract
We present a scheme to produce programmable phase- and amplitude-modulated femtosecond laser pulses in the mid-infrared regime of 3–10μm by difference frequency mixing. The 80-fs signal output of an optical parametric amplifier is shaped with a liquid-crystal mask and mixed in an AgGaS2 crystal with a temporally stretched idler pulse. Without changing the mechanical alignment, we produce programmable amplitude modulations and chirped pulses at λ=3μm with energy as high has thas 1μJ . This scheme, further, allows the generation of controllable pulse sequences. The results are in good agreement with theoretical simulations.
© 2002 Optical Society of America
[Optical Society of America ]
OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(270.1670) Quantum optics : Coherent optical effects
(320.0320) Ultrafast optics : Ultrafast optics
(320.5540) Ultrafast optics : Pulse shaping
Citation
T. Witte, D. Zeidler, D. Proch, K. L. Kompa, and M. Motzkus, "Programmable amplitude- and phase-modulated femtosecond laser pulses in the mid-infrared," Opt. Lett. 27, 131-133 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-2-131
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