Publicaciones

Affichage de 15391 à 15400 sur 16487


  • Communication dans un congrès

A 5 mW-290 GHz heterostructure barrier tripler in a waveguide configuration

T. David, M. Guillon, S. Arscott, Alain Maestrini, Tahsin Akalin, Benoît Lecomte, Jorge Carbonell, Michel Chaubet, Patrick Mounaix, Gérard Beaudin, Didier Lippens

An output power of 5 mW has been demonstrated at 290 GHz by tripling a primary signal in the W band. The nonlinear devices are high performance InP-based heterostructure barrier varactors mounted in mechanically tuned waveguide harmonic multiplier. The flange-to-flange maximum efficiency was 5%...

2001 IEEE MTT-S International Microwave Symposium Digest, May 2001, Phoenix, AZ, United States. pp.1661-1664, ⟨10.1109/MWSYM.2001.967224⟩. ⟨hal-02347990⟩

  • Communication dans un congrès

Emissivity measurement in microwave radiometric mammography (MRM)

Bertrand Bocquet, Roger Ringot, J.C. van de Velde, E. Constant

PhotonIcs and Electromagnetics Research Symposium, 2001, Osaka, Japan. pp.214. ⟨hal-00152029⟩

  • Article dans une revue

Finite element modeling of lead magnesium niobate electrostrictive materials : dynamic analysis

J. Coutte, J.C. Debus, Bertrand Dubus, R. Bossut

Journal of the Acoustical Society of America, 2001, 109, pp.1403-1411. ⟨hal-00151686⟩

  • Communication dans un congrès

Acoustical and optical gallium nitride waveguides grown on Si(111) by metalorganic vapor phase epitaxy

H.P.D. Schenk, E. Feltin, M. Vaille, P. Gibart, R. Kunze, H. Schmidt, M. Weihnacht, El Hadj Dogheche

4th International Conference on Nitride Semiconductors, 2001, United States. pp.537-541. ⟨hal-00250412⟩

  • Article dans une revue

Influence of low-temperature buffer layers on the optical waveguiding properties of AlxGa1-xN alloys

El Hadj Dogheche, P. Ruterana, F. Omnes

Journal of Applied Physics, 2001, 90, pp.4411-4414. ⟨hal-00250414⟩

  • Communication dans un congrès

Transistors et circuits AlInAs/InGaAs pour applications millimétriques et sub-millimétriques

S. Bollaert, A. Cappy

Atelier CNES, 2001, Toulouse, France. ⟨hal-00151773⟩

  • Communication dans un congrès

Numerical homogenization techniques applied to active fiber composites

E. Lenglet, Anne-Christine Hladky, E. Deletombe

Proceedings of the 17th International Congress on Acoustics, 2001, Rome, Italy. ⟨hal-00151707⟩

  • Article dans une revue

A unified formalism using effective surface permittivity to study acoustic waves in various anisotropic and piezoelectric multilayers

V. Zhang, Jean-Etienne Lefebvre, C. Bruneel, Tadeusz Gryba

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2001, 48, pp.1449-1461. ⟨hal-00151723⟩