AVAVEGUIDE AS A COMMUNICATION MEDIUM 1265 



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Waves in (iuidcs of Circular (^ross Section (^al)l(>s and Transmission (Paris), 

 1,, No. 2, pp. i;» 153, July, 1947. 



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Over-liends Devices foi' 11 u Waves, CaMes and Trans (Paris) 2, No. 4, p]). 

 257-2S4, Oct., 1948. 



6. W. J. Alherslieini, Propagation of TlCoi Waves in Curved Waveguides, 



15. S. T. J., 28, pp. 1 :]2. Jan., 1949. 



7. 8. (). Pice, unpublished work. 



8. S. E. Miller, Notes on Methods of Transmitting the Circular Electric Wave 

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. 9. A. C. Beck and R. W. Dawson, C'onductivit}' Measurements at Microwave 

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10. J. B. 1 jf tie, Ami)lification at 6-mm Wavelength, Bell Labs. Record, Jan., 1951. 



11. S. Milhnan, .\ Spatial Harmonic Travelling-Wave Amplifier for Six-Milli- 



meters Wavelength, Proc. I.R.E., 39, pj). 1035-1043, Sept., 1951. 



12. R. Konipfner, Backward-Wave Oscillator, Bell Labs. Record, Aug., 1953. R. 



Kompfner and N. T. Williams, Backward Wave Tube, Proc. LR.E., 41, 

 pp. 1602, Nov., 1953. 



13. A. Karp, Paper presented orally at the June, 1951, Conference on Electron 



Tube Research. 



14. A. G. Fox, New Guided-Wave Techniques for the Millimeter-wave Range, 



presented orally at the March, 1952, LR.E. National Convention. 



15. J. R. Pierce and W. G. Shepherd, Reflex Oscillators, B. S. T. J., 26, pp. 460- 



681, July, 1947. 



16. G. D. Sims, The Lifluence of Bends and Ellipticity on the Attenuation and 



Propagation Characteristics of the Hn Circular Waveguide Mode, Proc. 

 Institution of Electrical Engineers (London), 100, Part IV, No. 5, pp. 25- 

 34 Oct., 1953 



17. S. P. Morgan, Jr., Mode Conversion Losses in Transmission of Circular Elec- 



tric Waves through Slightly Non-Cylindrical Guides, J. Appl. Phys., 21, 

 pp. 329-339, April, 1950. 



