1. Single line high efficiency tunable fir generation by resonant four-wave mixing in CH₃ pumped by a multiatmosphere tunable CO₂ laser

   • M. Bernardini
   • M. Giorgi
   • S. Marchetti

   OriginalPaper Pages: 699 - 709

2. Rigorous analysis of novel dielectric resonator filters with printed tuning septum

   • Ruediger Vahldieck
   • Wolfgang J. R. Hoefer

   OriginalPaper Pages: 711 - 721

3. Magnetic rectification micro-wiggler

   • M. Bertolotti
   • C. Sibilia
   • Li Fuli

   OriginalPaper Pages: 723 - 732

4. Characterization of a Q-band microwave reflectometer for plasma diagnosis in the tokamak TJ-1

   • E. Anabitarte
   • E. G. Bustamante
   • J. M. Senties

   OriginalPaper Pages: 733 - 751

5. Hybrid cyclotron instability in a free electron laser with an axial magnetic field

   • T. H. Kho
   • A. T. Lin

   OriginalPaper Pages: 753 - 763

6. Frequency measurements on far-infrared laser emissions of carbonyl fluoride (COF₂)

   • I. H. Davis
   • K. I. Pharaoh
   • D. J. E. Knight

   OriginalPaper Pages: 765 - 769

7. Radiation patterns of circular apertures with Gaussian illumination

   • Paul F. Goldsmith

   OriginalPaper Pages: 771 - 781

8. Use of a beam expanding telescope in a grating-tuned waveguide CO₂ laser

   • M. Chapman
   • N. R. Heckenberg

   OriginalPaper Pages: 783 - 791