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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Stephen A. Burns
  • Vol. 24, Iss. 12 — Dec. 1, 2007
  • pp: 3691–3699

Optical constants of Yb films in the 23 1700 eV range

Mónica Fernández-Perea, Juan I. Larruquert, José A. Aznárez, José A. Méndez, Luca Poletto, Denis Garoli, A. Marco Malvezzi, Angelo Giglia, and Stefano Nannarone  »View Author Affiliations

JOSA A, Vol. 24, Issue 12, pp. 3691-3699 (2007)

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The optical constants of Yb films have been determined in the 23 1700 eV spectral range from transmittance measurements performed in situ on Yb films deposited by evaporation in ultrahigh vacuum conditions. Yb films were deposited over grids coated with a thin carbon film. Transmittance measurements were used to obtain the extinction coefficient of Yb films at each individual photon energy investigated. The energy range investigated encompasses Yb edges from M 4 , 5 to O 2 , 3 . The current results, along with data in the literature, show that Yb has an interesting low-absorption band in the 12 24 eV range, which may be useful for the development of transmittance filters and multilayer coatings. The current data along with literature data and extrapolations were used to obtain n, the real part of the complex refractive index, using a Kramers–Krönig analysis. The application of the sum rules showed a good consistency of the results.

© 2007 Optical Society of America

OCIS Codes
(120.4530) Instrumentation, measurement, and metrology : Optical constants
(230.4170) Optical devices : Multilayers
(260.7200) Physical optics : Ultraviolet, extreme
(310.6860) Thin films : Thin films, optical properties
(350.2450) Other areas of optics : Filters, absorption

ToC Category:
Physical Optics

Original Manuscript: June 18, 2007
Manuscript Accepted: September 26, 2007
Published: November 12, 2007

Mónica Fernández-Perea, Juan I. Larruquert, José A. Aznárez, José A. Méndez, Luca Poletto, Denis Garoli, A. Marco Malvezzi, Angelo Giglia, and Stefano Nannarone, "Optical constants of Yb films in the 23-1700 eV range," J. Opt. Soc. Am. A 24, 3691-3699 (2007)

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