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High-repetition-rate optical delay line using a micromirror array and galvanometer mirror for a terahertz system
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10.1063/1.3170578
/content/aip/journal/rsi/80/7/10.1063/1.3170578
http://aip.metastore.ingenta.com/content/aip/journal/rsi/80/7/10.1063/1.3170578
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Diagram of the high-repetition rate optical delay line.

Image of FIG. 2.
FIG. 2.

Schematics of the mirror array. The equations provide the center coordinates of the micromirrors. The width of each mirror is approximately . The delay distance is 20 mm, corresponding to a delay time of 66.7 ps. The size of the mirror array is .

Image of FIG. 3.
FIG. 3.

(a) Photograph of the overall view of the fabricated mirror array and (b) a SEM of the mirror array inside the circle.

Image of FIG. 4.
FIG. 4.

Diagram of the THz-TDS system for the high-repetition-rate optical delay line.

Image of FIG. 5.
FIG. 5.

Shape of the main peak with an accumulation of 128 scans at a scan rate of 1 Hz. The inset shows the whole waveform of the terahertz pulse.

Image of FIG. 6.
FIG. 6.

Waveform of the terahertz pulse measured with the high-repetition-rate optical delay line. The waveforms obtained by (a) a single scan and (b) an average of 128 scans at a scan rate of 25 Hz are shown.

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/content/aip/journal/rsi/80/7/10.1063/1.3170578
2009-07-13
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High-repetition-rate optical delay line using a micromirror array and galvanometer mirror for a terahertz system
http://aip.metastore.ingenta.com/content/aip/journal/rsi/80/7/10.1063/1.3170578
10.1063/1.3170578
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