Experimental evidence for spatial damping of left-hand circularly polarized waves in an electron cyclotron resonance region

T. Kaneko, H. Murai, R. Hatakeyama, N. Sato

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Selective launch, propagation, and absorption of right-hand (R) and left-hand (L) circularly polarized waves are investigated using an inhomogeneously magnetized plasma. When the R wave gets closer to the electron cyclotron resonance (ECR) point, the wave vanishes in the strong magnetic-field region before reaching the ECR point. On the other hand, the L wave, which has been considered not to be related to ECR, is clearly observed to be also absorbed near the ECR point. The former and latter phenomena are discussed in terms of the contribution of high-energy tail electrons and polarization reversal of the L wave to the R wave within the plasma, respectively.

Original languageEnglish
Pages (from-to)1455-1458
Number of pages4
JournalPhysics of Plasmas
Volume8
Issue number5 I
DOIs
Publication statusPublished - 2001 May

ASJC Scopus subject areas

  • Condensed Matter Physics

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