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Optical functions of crystalline and amorphous TeO2.

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Title: Optical functions of crystalline and amorphous TeO2.
Authors: Jellison Jr., G. E.1 (AUTHOR) jellisongejr@ornl.gov, Cureton, W. F.2 (AUTHOR), Bian, S.3 (AUTHOR), Arteaga, O.3 (AUTHOR), Kelchen, S. K.4 (AUTHOR), Feller, S. A.4 (AUTHOR)
Source: Surface Science Spectra. Jun2026, Vol. 33 Issue 1, p1-12. 12p.
Subjects: Ellipsometry, Tellurium oxides, Permittivity, Absorption coefficients, Optical properties, Birefringence
Abstract: The optical functions of crystalline paratellurite (α-TeO2) and amorphous TeO2 were determined using several optical techniques: (1) standard spectroscopic two-modulator generalized ellipsometry (2-MGE) of paratellurite (200–850 nm, 6.2–1.46 eV), (2) near-normal-incidence two-modulator generalized ellipsometry microscopy (2-MGEM) of paratellurite (577 nm, 2.15 eV), (3) Mueller matrix transmission of paratellurite (320–798 nm, 3.87–1.55 eV), and (4) polarized transmission of paratellurite (323.6–334.3 nm, 3.83–3.71 eV). The 2-MGE measurements yielded highly accurate values of the dielectric functions and error estimates from 1.46 to 6.2 eV for both paratellurite and amorphous TeO2, whereas the polarization-dependent transmission yielded more accurate values of the absorption coefficient below the band edge of paratellurite. The 2-MGEM measured the diattenuation of paratellurite, which is related to the birefringence. Mueller matrix transmission measurements of paratellurite of a (001) cut crystal as a function of angle of incidence were used to determine both the birefringence and the rotary power as a function of photon energy. [ABSTRACT FROM AUTHOR]
Copyright of Surface Science Spectra is the property of American Institute of Physics and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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  Data: Optical functions of crystalline and amorphous TeO<subscript>2</subscript>.
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  Data: <searchLink fieldCode="AR" term="%22Jellison+Jr%2E%2C+G%2E+E%2E%22">Jellison Jr., G. E.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jellisongejr@ornl.gov</i><br /><searchLink fieldCode="AR" term="%22Cureton%2C+W%2E+F%2E%22">Cureton, W. F.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bian%2C+S%2E%22">Bian, S.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Arteaga%2C+O%2E%22">Arteaga, O.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kelchen%2C+S%2E+K%2E%22">Kelchen, S. K.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Feller%2C+S%2E+A%2E%22">Feller, S. A.</searchLink><relatesTo>4</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Surface+Science+Spectra%22">Surface Science Spectra</searchLink>. Jun2026, Vol. 33 Issue 1, p1-12. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Ellipsometry%22">Ellipsometry</searchLink><br /><searchLink fieldCode="DE" term="%22Tellurium+oxides%22">Tellurium oxides</searchLink><br /><searchLink fieldCode="DE" term="%22Permittivity%22">Permittivity</searchLink><br /><searchLink fieldCode="DE" term="%22Absorption+coefficients%22">Absorption coefficients</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+properties%22">Optical properties</searchLink><br /><searchLink fieldCode="DE" term="%22Birefringence%22">Birefringence</searchLink>
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  Data: The optical functions of crystalline paratellurite (α-TeO2) and amorphous TeO2 were determined using several optical techniques: (1) standard spectroscopic two-modulator generalized ellipsometry (2-MGE) of paratellurite (200–850 nm, 6.2–1.46 eV), (2) near-normal-incidence two-modulator generalized ellipsometry microscopy (2-MGEM) of paratellurite (577 nm, 2.15 eV), (3) Mueller matrix transmission of paratellurite (320–798 nm, 3.87–1.55 eV), and (4) polarized transmission of paratellurite (323.6–334.3 nm, 3.83–3.71 eV). The 2-MGE measurements yielded highly accurate values of the dielectric functions and error estimates from 1.46 to 6.2 eV for both paratellurite and amorphous TeO2, whereas the polarization-dependent transmission yielded more accurate values of the absorption coefficient below the band edge of paratellurite. The 2-MGEM measured the diattenuation of paratellurite, which is related to the birefringence. Mueller matrix transmission measurements of paratellurite of a (001) cut crystal as a function of angle of incidence were used to determine both the birefringence and the rotary power as a function of photon energy. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Group: Ab
  Data: <i>Copyright of Surface Science Spectra is the property of American Institute of Physics and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1116/6.0005497
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        Text: English
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        Type: general
      – SubjectFull: Tellurium oxides
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      – SubjectFull: Permittivity
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      – SubjectFull: Absorption coefficients
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      – SubjectFull: Optical properties
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      – SubjectFull: Birefringence
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      – TitleFull: Optical functions of crystalline and amorphous TeO2.
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              Text: Jun2026
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