On the Use of Indium Arsenide as the Waveguide Material in the Measurements by Attenuated Total Reflectance

The current–voltage characteristics and photocurrent of “monolithic” diode optical pairs optically coupled by a substrate made of InAs common for them are considered, and the possibility of using the values of the photocurrent for measuring the attenuation of the “evanescent wave” in the case of tot...

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Veröffentlicht in:Optics and spectroscopy 2021, Vol.129 (11), p.1231-1235
Hauptverfasser: Karandashev, S. A., Lukhmyrina, T. S., Matveev, B. A., Remennyi, M. A., Usikova, A. A.
Format: Artikel
Sprache:eng
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Zusammenfassung:The current–voltage characteristics and photocurrent of “monolithic” diode optical pairs optically coupled by a substrate made of InAs common for them are considered, and the possibility of using the values of the photocurrent for measuring the attenuation of the “evanescent wave” in the case of total internal reflectance in the waveguide (a substrate made of InAs)/absorbing substance under analysis interphase boundary is evaluated.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X21090101