Terahertz beam generation by femtosecond optical pulses in electro-optic materials

Xu, L.; Zhang, X.-C.
October 1992
Applied Physics Letters;10/12/1992, Vol. 61 Issue 15, p1784
Academic Journal
Examines the terahertz beam generation by femtosecond optical pulses in electro-optic materials. Sources of terahertz radiation; Method for generating broad bandwidth terahertz radiation; Determination of optical pump fluence and radiation amplitude.


Related Articles

  • High-brightness table-top hard X-ray source driven by sub-100-femtosecond mid-infrared pulses. Weisshaupt, Jannick; Juvé, Vincent; Holtz, Marcel; Ku, ShinAn; Woerner, Michael; Elsaesser, Thomas; Ališauskas, Skirmantas; Pugžlys, Audrius; Baltuška, Andrius // Nature Photonics;Dec2014, Vol. 8 Issue 12, p927 

    Ultrafast structural dynamics in the condensed phase represents a key topic of current physics, chemistry and materials science. Femtosecond hard X-ray pulses are important structure probes that have been applied in time-resolved X-ray absorption and diffraction. Optical pump/X-ray probe schemes...

  • Performance improvement of high repetition rate electro-optical cavity-dumped Nd:GdVO laser. Yu, X.; Wang, C.; Ma, Y.; Chen, F.; Yan, R.; Li, X. // Applied Physics B: Lasers & Optics;Feb2012, Vol. 106 Issue 2, p309 

    We improved the electro-optical cavity-dumped Nd:GdVO laser performance at high repetition rates by employing continuous-grown GdVO/Nd:GdVO composite crystal under 879 nm diode-laser pumping. A constant 3.8 ns duration pulsed laser was obtained and the repetition rate could reach up to 100 kHz...

  • Terahertz generation in an actively controlled femtosecond enhancement cavity. Theuer, M.; Molter, D.; Maki, K.; Otani, C.; L’huillier, J. A.; Beigang, R. // Applied Physics Letters;7/28/2008, Vol. 93 Issue 4, p041119 

    We report on terahertz generation by Cherenkov-type optical rectification in lithium niobate using an actively controlled femtosecond pumped enhancement cavity. In this way a much higher pump power is available inside the cavity and an increased terahertz output power is obtained. The advantages...

  • Multibeam energy transfer in a Kerr medium. Gavrielides, A.; Peterson, P. R.; Sharma, M. P.; Cardimona, D. A. // Journal of Applied Physics;8/15/1990, Vol. 68 Issue 4, p1450 

    Presents a study that theoretically investigated multibeam coupling in a Kerr medium with a finite response time. Background on beam coupling; Assessment of the optimum medium response time for conversion of a Gaussian spectra; Results and discussion.

  • High electro-to-optical efficiency 180 W Q-switched 532 nm laser with a pulsewidth of 70 ns. Zhang, S.; Guo, L.; Xiong, B.; Liu, Y.; Hou, W.; Lin, X.; Li, J. // Applied Physics B: Lasers & Optics;Sep2011, Vol. 104 Issue 4, p861 

    A compact straight cavity with two side-pumped Nd:YAG laser heads and a 90° quartz rotator in between is presented. By intracavity-frequency-doubling with a type II LBO crystal in this cavity, an output power of 180.2 W at 532 nm with a repetition rate of 10 kHz was achieved, corresponding to...

  • High-energy Q-switched operation of a fiber-laser-pumped Er:YAG laser. Kim, J.; Sahu, J.; Clarkson, W. // Applied Physics B: Lasers & Optics;Nov2011, Vol. 105 Issue 2, p263 

    A high-energy Q-switched Er:YAG laser in-band pumped by an Er,Yb co-doped fiber laser is reported. A simple two-mirror multi-mode resonator incorporating an electro-optic Q-switch and a multi-Brewster-plate polarizer was employed, together with a simple compensation scheme to reduce the...

  • Cavity Quantum Electro-Optic Transduction. Tsang, Mankei // AIP Conference Proceedings;10/15/2011, Vol. 1363 Issue 1, p21 

    The input-output relation between the optical and microwave fields coupled via a cavity electro-optic modulator with red-sideband optical pumping is derived. It is shown that the photon-flux conversion efficiency can in principle reach 100% under a critical coupling condition.

  • The nonlinear effect from the interplay between the nonlinearity and the supercollimation of photonic crystal. Jiang, Xunya; Zhou, Chuanhong; Yu, Xiaofang; Fan, Shanhui; Soljacˇic, Marin; Joannopoulos, J. D. // Applied Physics Letters;7/16/2007, Vol. 91 Issue 3, p031105 

    The authors theoretically and numerically investigate the beam propagation near the supercollimation frequency ωs0 in a photonic crystal made of nonlinear material. Since the value and sign of the equal-frequency-contour curvature which dominates the beam behaviors can be nonlinearly tuned...

  • Electro-optical response of ion-irradiated 4H-SiC Schottky ultraviolet photodetectors. Sciuto, Antonella; Roccaforte, Fabrizio; Raineri, Vito // Applied Physics Letters;3/3/2008, Vol. 92 Issue 9, p093505 

    Visible blind 4H-SiC UV detectors were investigated with respect to radiation hardness since they can find applications in the aerospace field. Effects of ion irradiation on their response were studied by monitoring the spectral response as a function of irradiation beam energy and dose. The...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics