Measuring the spatiotemporal field of ultrashort Bessel-X pulses

We present direct measurements of the spatiotemporal electric field of an ultrashort Bessel-X pulse generated using a conical lens (axicon). These measurements were made using the linear-optical interferometric technique SEA TADPOLE, which has micrometer spatial resolution and femtosecond temporal r...

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Veröffentlicht in:	Optics letters 2009-08, Vol.34 (15), p.2276-2278
Hauptverfasser:	BOWLAN, Pamela, VALTNA-LUKNER, Heli, LOHMUS, Madis, PIKSARV, Peeter, SAARI, Peeter, TREBINO, Rick
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fundamental areas of phenomenology (including applications) Nonlinear optics Optics Physics Ultrafast processes optical pulse generation and pulse compression
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Beschreibung
Zusammenfassung:	We present direct measurements of the spatiotemporal electric field of an ultrashort Bessel-X pulse generated using a conical lens (axicon). These measurements were made using the linear-optical interferometric technique SEA TADPOLE, which has micrometer spatial resolution and femtosecond temporal resolution. From our measurements, both the superluminal velocity of the Bessel pulse and the propagation invariance of the central spot are apparent. We verified our measurements with simulations.
ISSN:	0146-9592 1539-4794
DOI:	10.1364/OL.34.002276