Terahertz beam spot size measurements by a CCD camera

We present the experimental data on the direct measurements of spatial distribution of the terahertz (THz) pulse intensity profile using a commercial silicon-based charge-coupled device (CCD) camera in the spectral range from 1-3 THz. A method to measure the dimensions of a high-intensity THz radiat...

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Veröffentlicht in:	Optics letters 2019-09, Vol.44 (17), p.4099-4102
Hauptverfasser:	Chefonov, O V, Ovchinnikov, A V, Agranat, M B, Stepanov, A N
Format:	Artikel
Sprache:	eng
Schlagworte:	Cameras CCD cameras Charge coupled devices Focal plane Spatial distribution
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Beschreibung
Zusammenfassung:	We present the experimental data on the direct measurements of spatial distribution of the terahertz (THz) pulse intensity profile using a commercial silicon-based charge-coupled device (CCD) camera in the spectral range from 1-3 THz. A method to measure the dimensions of a high-intensity THz radiation beam in the focal plane using the CCD camera is proposed and experimentally verified.
ISSN:	0146-9592 1539-4794
DOI:	10.1364/OL.44.004099