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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 66, Iss. 10 — Oct. 1, 1976
  • pp: 999–1003

Vacuum-ultraviolet optical properties of single-crystal InBi

Roger L. Kroes, Roger C. Linton, and Frank E. Martin  »View Author Affiliations


JOSA, Vol. 66, Issue 10, pp. 999-1003 (1976)
http://dx.doi.org/10.1364/JOSA.66.000999


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Abstract

The optical constants (n, k) of single crystalline InBi have been determined using a two-angle method applying Fresnel’s equations. The complex dielectric constant was then calculated using the relation ε* = ε1 − iε2, where ε1 = n2k2 and ε2 = 2nk. Assuming a free-electron model, the volume plasma resonance energy was found from the crossover position of the n and k curves to be 10.3 eV. The energy loss functions − Im[1/ε] and − Im[l/(ε + 1)], which have been interpreted as having maxima at the volume and surface plasma frequencies, respectively, when interband transitions are not significant, were plotted using the n and k data. These values were in general agreement with those obtained from the crossover point on the n and k curves and from the Ritchie relation Es = Ev/√2.

© 1976 Optical Society of America 999

Citation
Roger L. Kroes, Roger C. Linton, and Frank E. Martin, "Vacuum-ultraviolet optical properties of single-crystal InBi," J. Opt. Soc. Am. 66, 999-1003 (1976)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-66-10-999

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