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Terahertz Pulse Generation Kit

Photonics.com
Mar 2011
Newport CorporationRequest Info
 
IRVINE, Calif., March 17, 2011 — Newport Corp. has introduced a terahertz pulse generation kit that uses a sub-35-fs Ti:sapphire amplifier system. The kit can be easily integrated with a Ti:sapphire amplifier to generate terahertz pulses that can be used for linear, nonlinear and time-resolved spectroscopy applications.

The kit uses proprietary standard optics and photonic components, optomechanics, manual stages and Conex-based motorized solutions to provide high performance and accuracy. The 800-nm Ti:sapphire laser pulse (1 kHz, ~300 µJ per pulse) is focused into ambient air to generate the air plasma that produces the terahertz pulses. With this design, the damage threshold is not a concern because the air replenishes itself from pulse to pulse.

The generated terahertz pulse produces oscillation that spans about 1 ps and estimated pulse energy of 0.1 to 0.3 nJ per pulse. The phase and amplitude information of the terahertz field can be recovered through electro-optic sampling, enabling the kit to function as a terahertz spectrometer, without further modification.

The kit is preconfigured to provide high performance and reliability. Applications include characterization of nanomaterials, detection of security-sensitive explosives, biomolecular spectroscopy and telecommunications.


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GLOSSARY
spectrometer
A kind of spectrograph in which some form of detector, other than a photographic film, is used to measure the distribution of radiation in a particular wavelength region.  
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