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Failure mechanism of THz GaAs photoconductive antenna
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10.1063/1.4733476
/content/aip/journal/apl/101/1/10.1063/1.4733476
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/1/10.1063/1.4733476

Figures

Image of FIG. 1.
FIG. 1.

A schematic diagram for an enhanced THz output. WP1 and WP2: half waveplate. M: Mirror, PBS: polarization dependent beam splitter. EO detector: electo-optic THz detector.

Image of FIG. 2.
FIG. 2.

An experimental configuration of our high resolution x-ray topograph.

Image of FIG. 3.
FIG. 3.

X-topograph of a pristine device taken using (115) reflection of GaAs using the experimental configuration shown in Fig. 2.

Image of FIG. 4.
FIG. 4.

(a) Optical micrograph of a failed antenna (device 1), (b) x-ray topograph of device 1 showing considerable grain boundaries and domains as well as electromigration of gold (arrow) in between the microstrips.

Image of FIG. 5.
FIG. 5.

(a) Optical micrograph of a failed antenna (device 2), (b) x-ray topograph of device 2 showing considerable grain boundaries and domains as well as electromigration of gold (arrow) in between the microstrips.

Tables

Generic image for table
Table I.

Measured lattice parameters and FWHMs for device samples using (004) GaAs reflection.

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/content/aip/journal/apl/101/1/10.1063/1.4733476
2012-07-05
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Failure mechanism of THz GaAs photoconductive antenna
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/1/10.1063/1.4733476
10.1063/1.4733476
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