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Proceedings Paper

Measurement of non-stationary signals using an acousto-optic spectrometer
Author(s): S. V. Kulakov; D A Denisenkov; V. V. Kludzin
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Paper Abstract

This paper discusses measurements of non-stationary optical signals using an acousto-optic spectrometer. Any spectral measurements should take non-stationary forms of optical signals into account. The paper presents the results of experiments where a non-stationary optical beam from an electric spark was used. An acousto-optic tunable filter based on off-axis diffraction in the TeO2 crystal was used. The total analysis time was approximately 1 sec for an optical signal cycle of 100 Hz. The spectrum had a "black body" shape with distinguished fragments at 572 nm and 471 nm. The paper also proposes a method to increase the accuracy of measurement.

Paper Details

Date Published: 21 August 2009
PDF: 6 pages
Proc. SPIE 7420, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications III, 74200N (21 August 2009); doi: 10.1117/12.825157
Show Author Affiliations
S. V. Kulakov, St. Petersburg State Univ. of Aerospace Instrumentation (Russian Federation)
D A Denisenkov, St. Petersburg State Univ. of Aerospace Instrumentation (Russian Federation)
V. V. Kludzin, St. Petersburg State Univ. of Aerospace Instrumentation (Russian Federation)


Published in SPIE Proceedings Vol. 7420:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications III
Shizhuo Yin; Ruyan Guo, Editor(s)

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