| ANTOŠ, Roman, Jaromír PIŠTORA, Ivan OHLÍDAL, Kamil POSTAVA, Jan MISTRÍK, Tomuo YAMAGUCHI a Štefan VIŠŇOVSKÝ. Specular spectroscopic ellipsometry for the critical dimension monitoring of gratings fabricated on a thick transparent plate. Journal of Applied Physics. USA: American Institute of Physics, 2005, roč. 97, č. 5, s. 053107-1-053107-7, 7 s. ISSN 0021-8979. |
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@article{630309,
author = {Antoš, Roman and Pištora, Jaromír and Ohlídal, Ivan and Postava, Kamil and Mistrík, Jan and Yamaguchi, Tomuo and Višňovský, Štefan},
article_location = {USA},
article_number = {5},
keywords = {Ellipsometry; Gratings},
language = {eng},
issn = {0021-8979},
journal = {Journal of Applied Physics},
title = {Specular spectroscopic ellipsometry for the critical dimension monitoring of gratings fabricated on a thick transparent plate},
volume = {97},
year = {2005}
}
TY - JOUR
ID - 630309
AU - Antoš, Roman - Pištora, Jaromír - Ohlídal, Ivan - Postava, Kamil - Mistrík, Jan - Yamaguchi, Tomuo - Višňovský, Štefan
PY - 2005
TI - Specular spectroscopic ellipsometry for the critical dimension monitoring of gratings fabricated on a thick transparent plate
JF - Journal of Applied Physics
VL - 97
IS - 5
SP - 053107-1-053107-7
EP - 053107-1-053107-7
PB - American Institute of Physics
SN - 00218979
KW - Ellipsometry
KW - Gratings
N2 - Specular-mode spectroscopic ellipsometry is applied to analyze the optical response of gratings fabricated on a thick transparent plate substrate. The principles of the optical response of the gratings are described by employing incoherent contributions due to backreflections in the finite transparent substrate medium. A special function identifies a "diminution effect" caused by deflecting the secondary contributions from the primary beam axis. Two different methods are used to measure the ellipsometric response, a liquid solution method with the backreflections eliminated and a method including the incoherent backreflections. The grating parameters deduced by fitting from the measurement using the first method are applied to simulate the ellipsometric response using the second method. The spectral dependencies yielded by both methods are compared with remarkable agreement between the simulations and the measurements, which suggests the high usability of the backreflection method in the metrological characterization of gratings made on transparent plates.
ER -
ANTOŠ, Roman, Jaromír PIŠTORA, Ivan OHLÍDAL, Kamil POSTAVA, Jan MISTRÍK, Tomuo YAMAGUCHI a Štefan VIŠŇOVSKÝ. Specular spectroscopic ellipsometry for the critical dimension monitoring of gratings fabricated on a thick transparent plate. \textit{Journal of Applied Physics}. USA: American Institute of Physics, 2005, roč.~97, č.~5, s.~053107-1-053107-7, 7 s. ISSN~0021-8979.
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