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Pointing stabilization of a high-repetition-rate high-power femtosecond laser for intense few-cycle pulse generation
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10.1063/1.2842414
/content/aip/journal/apl/92/6/10.1063/1.2842414
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/6/10.1063/1.2842414
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the experimental setup for beam stabilization. PC: personal computer, PID: proportional-integral-derivative controller, BS: beam splitter, PSD: position-sensitive detector, NDF: neutral density filter, CM: chirped mirror. PSD 1 is used inside the feedback loop for stabilization, while (a) PSD 2 is used for monitoring the beam stability outside the feedback loop. (b) The spectrum broadened by the self-phase modulation in the fiber was monitored with a spectrometer. The compressed pulse duration was measured with SPIDER after dispersion compensation with CM.

Image of FIG. 2.
FIG. 2.

plots of the beam position observed at PSD 1 (a) without and (b) with feedback control.

Image of FIG. 3.
FIG. 3.

Allan standard deviation of the beam fluctuation with and without feedback control monitored with PSD 1 inside the loop. The dashed curve corresponds to the stabilized beam monitored with PSD 2 outside the feedback loop.

Image of FIG. 4.
FIG. 4.

Temporal variations of the spectra after passing through the hollow fiber (a) without and (b)with feedback control in a false-color representation and [(c) and (d)] the corresponding time-averaged spectral profiles. The color is the same for (a) and (b).

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/content/aip/journal/apl/92/6/10.1063/1.2842414
2008-02-13
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Pointing stabilization of a high-repetition-rate high-power femtosecond laser for intense few-cycle pulse generation
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/6/10.1063/1.2842414
10.1063/1.2842414
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