Optical constants of lithium triborate crystals in the 55-71 eV region

Optical constants of lithium triborate crystals in the 55-71 eV region

The reflectances of lithium triborate (LBO) crystals in the range 55--71 eV have been measured and the principal values of the optical constants are derived. Five transitions in this spectral region are observed and their oscillator strengths and matrix elements {l_angle}{ital x}{r_angle},{l_angle}{...

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Veröffentlicht in:Physical Review, B: Condensed Matter B: Condensed Matter, 1995-11, Vol.52 (19), p.13703-13706
Hauptverfasser: Chen, TJ, Zitter, RN, Tao, R, Hunter, WR, Rife, JC
Format: Artikel
Sprache:eng
Schlagworte:
ANISOTROPY
BORATES
ENERGY-LEVEL TRANSITIONS
LITHIUM COMPOUNDS
MATERIALS SCIENCE
OPTICAL PROPERTIES
OSCILLATOR STRENGTHS
SPECTRAL REFLECTANCE
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Beschreibung
Zusammenfassung:The reflectances of lithium triborate (LBO) crystals in the range 55--71 eV have been measured and the principal values of the optical constants are derived. Five transitions in this spectral region are observed and their oscillator strengths and matrix elements {l_angle}{ital x}{r_angle},{l_angle}{ital y}{r_angle},{l_angle}{ital z}{r_angle} are determined. LBO is strongly anisotropic in this region and its energy levels are mainly determined by the Li ion.
ISSN:0163-1829
1095-3795
DOI:10.1103/PhysRevB.52.13703