Microwaves: Proceedings Of The 4th Int. Congress On Microwave Tubes

Front Matter....Pages i-xv
Front Matter....Pages 1-1
Uber den raumladungsbegrenzten Influenzstrom in einer ebenen Diode bei grossen Signalen und langen Elektronenlaufzeitwinkeln unter Berücksichtigung von Sekundäremission der Elektronen....Pages 3-9
A quarter-wave coupled three Esaki diodes microwave amplifier....Pages 9-14
Front Matter....Pages 15-15
The influence of space-charge and geometry on the efficiency of a two-cavity-klystron oscillator....Pages 17-23
Parallel operation of pulsed broadband klystron amplifiers....Pages 23-27
Perfectionnements aux amplificateurs de puissance à klystron....Pages 27-31
An electrostatically focused klystron amplifier....Pages 31-34
Multipactor motions in Microwave tubes....Pages 34-40
Stabilized high-power klystron oscillator....Pages 40-48
A high-power floating-drift-tube klystron....Pages 49-54
Hollow-beam klystron with modulating anode....Pages 54-59
A broadband megawatt hollow beam multicavity klystron....Pages 60-67
Front Matter....Pages 69-69
A 2-kilowatt CW travelling-wave tube for C-band communications....Pages 71-74
A high-power travelling-wave tube for the frequency range:5,9 to 6,7 KMC/S....Pages 75-79
A high-power travelling-wave tube for C-band....Pages 79-83
The design of a 100 MW. 400 MC/S pulsed travelling-wave tube....Pages 83-86
The design of a 250 KW 400 MC/S travelling wave tube....Pages 87-91
Some experiments on the effect of a circuit sever on high-power travelling-wave tube efficiency....Pages 92-94
Resonant circuit oscillations in travelling-wave tubes....Pages 94-98
High-power, CW millimeter-wave amplifiers and oscillators....Pages 98-105
A low-noise travelling-wave tube for 26.000 -40.000 MC/S....Pages 106-110
Front Matter....Pages 69-69
Un tube à onde progressive à faible facteur de bruit dans la bande de 85 GHz....Pages 111-115
AM-to-PM conversion and AM-compression of travelling-wave-tube amplifiers....Pages 116-119
Calculations concerning the properties of E-type travelling-wave amplifiers with arbitrary signal level....Pages 120-122
The travelling-wave amplification as a parametric process....Pages 123-129
Front Matter....Pages 131-131
Spurious phenomena in “M” type tubes....Pages 133-138
Sur trois modèles de carcinotrons “M” de grande puissance....Pages 139-146
High-power T. P.O. M. amplifiers....Pages 146-150
Experiments with a pulsed L-band coaxial M-carcinotron with azimuthal magnetic field....Pages 151-157
The coaxial crossed field tube....Pages 157-161
Backward-wave tube feedback oscillators....Pages 161-167
Studies on C.W.-magnetron amplifiers with continuous cathode and re-entrant beam....Pages 168-172
Large signal calculation of amplitron performance....Pages 172-179
The S-F-D crossed-field amplifier....Pages 179-185
Recent advances in non re-entrant crossed-field forward-wave amplifiers....Pages 186-196
An empirical solution to the steady state magnetron space charge distribution....Pages 197-202
Pulsed magnetrons for 4 and 2.5 MM wavelength....Pages 202-205
Front Matter....Pages 207-207
Non-degenerate electron-beam parametric amplifiers....Pages 209-216
On the excess noise in Adler tubes....Pages 216-222
Interception, scattering and multivelocity effects in a transverse-wave electron beam....Pages 222-227
Etude d’un tube paramétrique à faisceau....Pages 228-231
Front Matter....Pages 207-207
Parametric refregeration discussion and experimental verification of the removal of slow-wave noise....Pages 231-235
The parametric reduction of the amplitude of slow space-charge waves in an experimental device....Pages 236-242
Quantum statistical properties of ideal phase sensitive receivers....Pages 242-244
D.C. -pumped cyclotron-beam tubes using quadrifiliar helix....Pages 244-248
Theoretical and experimental investigation of D. C.-pumped cyclotron-wave amplifiers....Pages 249-260
A D.C. -pumped coupled mode parametric amplifier with depressed collector....Pages 261-267
Cyclotron wave amplification using simultaneous R. F. -coupling and D. C. -pumping....Pages 268-276
Minimum noise temperature of transverse-wave D.C. -pumped electron-beam amplifiers....Pages 277-285
Amplification of the tranverse waves of an electron beam in space -periodic magnetic-field jumps....Pages 286-295
An experimental investigation of transverse-wave interaction in periodic magnetostatic fields....Pages 295-299
Improvement of the stability of parametric amplifiers....Pages 299-306
Etude et réalisation d’ un amplificateur paramétrique à ferrite....Pages 306-313
Front Matter....Pages 315-315
A study of the plasma travelling-wave amplifier....Pages 317-321
Some aspects of the interaction of an electron beam and a plasma....Pages 322-326
Electron beam-plasma interaction....Pages 327-333
Normal mode theory for electron-beam plasma amplification....Pages 333-337
Millimetre wave harmonics from a gas discharge....Pages 337-339
Front Matter....Pages 341-341
Generation of millimeter-waves by means of electron beam cyclotron resonance....Pages 343-348
A fast oscillator using cyclotron resonance....Pages 348-355
Cyclotron fast-wave tube using spatial harmonic interaction — the travelling wave peniotron....Pages 355-363
Front Matter....Pages 341-341
A cyclotron resonance frequency multiplier....Pages 363-366
Theoretically predicted characteristics of the “EAL” or electromagnetic amplifying lens....Pages 366-370
TheUbitron as a high-power millimeter wave amplifier....Pages 371-374
Production of a highly bunched electron-beam for a submillimetre wave undulator....Pages 375-378
Coherent Cerenkov radiation produced by a bunched electron beam traversing a plasma and ferrite medium....Pages 379-387
A new type Cerenkov generator theory and experiment....Pages 387-394
A rigorous large-signal analysis on harmonic generation using parametric diodes....Pages 395-397
The backward-wave converter....Pages 398-401
Front Matter....Pages 403-403
A wide-band travelling-wave maser....Pages 405-409
Travelling-wave maser with tuning range from 4 to 6 MM.....Pages 410-418
The effects of temperature on the output of a pulsed ruby laser....Pages 418-427
Messungen am Reflexionmaser und Bestimmung der klompexen Suszeptibilität von Chromkaliumcyanid bei der Temperatur des flüssigen Heliums....Pages 428-432
Generation of submillimeter radiation by mixing of optical wavelengths....Pages 432-434
Broadband detectors for microwave modulated light....Pages 434-439
An efficient optical maser modulation scheme....Pages 439-442
Possibilité d’action laser dans 1’infra-rouge lointain....Pages 442-445
Transient processes in beam masers....Pages 446-450
Front Matter....Pages 451-451
Progress in low-noise travelling-wave tube development....Pages 453-458
Investigations on very-low-noise travelling-wave tubes....Pages 458-463
The redaction of noise temperature in electron beams....Pages 463-466
Front Matter....Pages 451-451
Non-linear theory of the propagation of signal and noise along an electron beam....Pages 467-471
Noise in Backward-wave amplifiers, a large QC theory and a proposed experiment for the measurement of noise parameters using a moving gun technique....Pages 471-475
Analysis of the noise spectra of a drifting multi-velocity beam....Pages 475-478
Artificial high temperature sources for noise modeling studies....Pages 478-483
A method of noise reduction for linear beam microwave devices of medium power....Pages 483-489
Photon noise....Pages 490-501
On the problem of reducing the noise figure of medium-power travelling-wave amplifiers....Pages 501-503
Noise in the saturation region of a travelling-wave amplifier....Pages 504-510
Noise in a hollow beam injection gun for “O” type tubes....Pages 510-512
Crossed-field noise in the low-velocity region....Pages 512-516
Noise figure calculation and measurement for low-power crossed-field amplifiers....Pages 516-519
A proposed large signal noise mechanism in crossed-field devices based on quasi-analogous hydrodynamic experiments....Pages 519-524
Front Matter....Pages 525-525
New numerical methods in electron dynamics....Pages 527-532
Analysis of non-laminar space-charge flow....Pages 533-46
Electron trajectory tracer associated with resistance network analogs....Pages 546-549
Design criteria for high-density hollow-beam electron guns....Pages 550-555
Analyseur de densité de courant dans un faisceau électronique....Pages 555-559
Limiting currents and neutralization in cylindrical electron beams....Pages 559-562
Crossed-field electron guns with tapered gaps....Pages 562-565
The numerical analysis of curvilinear electrode systems with an emitting surface....Pages 566-571
Front Matter....Pages 525-525
New method for the design of high perveance guns....Pages 572-583
Magnetron injection guns derived from theorectical space-charge flow solutions....Pages 583-587
Space charge flow in spherical coordinates with applications to magnetron injection guns....Pages 587-595
Design of a high-perveance magnetron injection gun and some applications....Pages 595-598
An experimental study of magnetron electron guns....Pages 599-604
Non-uniformities in a P. P.M. focusing circuit....Pages 605-609
Axially-symmetric space-charge flow in a decelerating space....Pages 610-615
On the effect of thermal velozities in two-dimensional and axially symmetric beams....Pages 615-619
The use of a staggered meander line in an electrostatically focused forward-wave amplifier....Pages 620-625
Wanderfeldföbren mit einem Elektrostatisch in ein Zylinderfeld eingeschlossenen Strahl hoher Kompression....Pages 626-632
A mathematical model which describes the high-perveance instabilities of long drifting electron beams....Pages 633-639
Efficiency enhancement by phase focusing and collector depression....Pages 640-646
Front Matter....Pages 647-647
Wave types in vortical and in irrotational electron beams....Pages 649-657
A thick beam analysis of transverse-wave propagation on electron beams....Pages 657-663
Space charge waves in finite magnetic fields....Pages 663-668
Experimental investigation ot non-linear phenomena in electron beams at fundamental and harmonic frequencies....Pages 668-674
The current and velozity distributions in a velocity modulated, brillouin-focused electron beam....Pages 675-688
Propagation of space charge waves and electron bunching in rotating electron-flows focused by centrifugal-electrostatic method....Pages 688-698
Front Matter....Pages 699-699
Aspects of slow wave structure synthesis....Pages 701-703
Über eine wendelformige Verzögerungsleitung für Wanderfeldröhren hoher Leistung....Pages 704-706
Front Matter....Pages 699-699
Design and fabrication of a two-mile disk-loaded linear electron accelerator....Pages 706-718
New types of severed circuits to increase the gain and bandwidth of magnetron amplifiers....Pages 719-725
Front Matter....Pages 727-727
Development of Miniaturized travelling wave tubes....Pages 729-739
The generation of submillimeter waves....Pages 739-743
Problèmes métallurgiques dans la technologie des tubes hyperfrequences....Pages 744-749
Dissipation calorifique dans les tubes en impulsion....Pages 749-752
Dielectric tuning of klystron cavities....Pages 752-755
Acoustic detection of electron impact in electron tubes....Pages 756-759
Mechanisms in high power windows....Pages 759-763
A new design of a high-power ceramic window....Pages 763-765
Scanning electron microscope studies of thermionic emission from dispenser cathodes....Pages 766-771
The series resistance and emission from several types of dispenser cathodes....Pages 771-774
Cathodes thermoélectriques pour tubes hyperfréquences....Pages 775-783
Cathode à grande densité de courant sous forme d’un capillaire chaud à ionisation de surface....Pages 783-787
Novel approaches to low-noise beam generation....Pages 788-791
l’Usinage par électroérosion appliqué à la réalisation des tubes hyperfréquences....Pages 792-797
Sur quelques travaux concernant les sources froides d’électrons....Pages 798-802
Basic and applied studies of field emission at microwave frequencies....Pages 803-813