GUIDED AVAVE PKOPAf! ATIOX TIIKOT^GII CYHOMAGNETIC MEDIA. IT 963 



dr 



1 a_ 



r dr 



-pEr 





dr 



= -jo)noH^, 



1 '\ 



- T- rE^ = - juiJLijpgHr + Hz). 



r dr 



(20a) 

 (20b) 



(20c) 

 (20d) 

 (20e) 



(20f) 



Fig. 9 — Propagation constants for a fiat helix separated from tlie ferrite by a 

 distance Xo for various values of a. (Loss-free case) (a) /3_ and/3f for p = 0.2, (b) 

 (i- for p = 0.8, (c) 0+ for p = 0.8. In (a), above, the dotted lines bound all o- values. 



