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FLUTE: A versatile linac-based THz source
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10.1063/1.4790431
/content/aip/journal/rsi/84/2/10.1063/1.4790431
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/2/10.1063/1.4790431
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Overview of the FLUTE layout. The entire machine measures ∼15 m.

Image of FIG. 2.
FIG. 2.

Normal conducting laser-driven photocathode RF gun accelerating the bunch to 7 MeV. The RF waveguides are on the left and right side (covered with yellow caps), the tuners and pickups are on the top.

Image of FIG. 3.
FIG. 3.

Longitudinal bunch current profile at the exit of the bunch compressor for 100 pC (narrow, left axis) and 3 nC (broad, right axis). Crosses correspond to the simulation output, continuous lines are Gaussian fits. The right side (larger time) of the plot corresponds to the head and the left side corresponds to the tail of the bunch. The rms bunch lengths are 70 fs (100 pC) and 287 fs (3 nC). Laser parameters: spot size on cathode: 0.5 mm (100 pC), 2.25 mm (3 nC); pulse length: 2 ps (100 pC), 4 ps (3 nC), respectively.

Image of FIG. 4.
FIG. 4.

Spectra from coherent on top of incoherent (dotted lines) synchrotron radiation for the 100 pC and the 3 nC cases. The thick lines indicate the total emitted radiation.

Image of FIG. 5.
FIG. 5.

Spectra from coherent on top of incoherent (dotted lines) synchrotron, transition, and edge radiation for a bunch charge of 3 nC. The thick lines indicate the total emitted radiation.

Image of FIG. 6.
FIG. 6.

Electric field pulse calculated from the (Gaussian multi-peak fit of the) longitudinal charge profile (Fig. 3 ). Here the pulse is assumed to be focused to a disc with 1 mm radius at a distance of 1 m from the source. The right side (larger time) of the plot corresponds to the head and the left side corresponds to the tail of the pulse.

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/content/aip/journal/rsi/84/2/10.1063/1.4790431
2013-02-22
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: FLUTE: A versatile linac-based THz source
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/2/10.1063/1.4790431
10.1063/1.4790431
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