Physical and mathematical model of the digital coherent optical spectrum analyser

• Autorzy: Kolobrodov V. G. , Tymchyk G. S. , Mykytenko V. I. , Kolobrodov M. S.

Identyfikatory

DOI

10.5277/oa170210

• Języki publikacji: EN

Abstrakty

EN

A physical and mathematical model of digital coherent optical spectrum analyzers is discussed. In digital coherent optical spectrum analyzers the input signal is forming as a two-dimensional transparency by means of a spatial light modulator. After Fourier transformation with a lens, multiplication by a spatial filter and second Fourier transformation, the signal is captured by a matrix detector for further computer processing. A lot of digital coherent optical spectrum analyzers and their components (laser, lighting system, spatial light modulator, Fourier lens and matrix detector) models were developed to calculate the signal at the matrix detector output. They use the impulse response and transfer function to evaluate the effectiveness of digital coherent optical spectrum analyzers. The analysis of mathematical relationships shows that the use of a discrete spatial light modulator for the signal input and a matrix detector for light field registration in the spectral domain when combined with computer technology greatly extends the functionality of digital coherent optical spectrum analyzer. The formulas for impulse response and transfer function calculations were obtained, which allows to analyze and optimize the digital coherent optical spectrum analyzer basic characteristics.

Słowa kluczowe

EN

optical spectrum analyzer; optical correlator; spatial light modulator; matrix detector

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2017
• Tom: Vol. 47, nr 2
• Strony: 273--282
• Opis fizyczny: Bibliogr. 13 poz., rys.

Twórcy

autor

Kolobrodov V. G.

• National Technical University of Ukraine “Kyiv Polytechnic Institute”, 37, Prosp. Peremohy, Kyiv, Ukraine, 03056

autor

Tymchyk G. S.

• National Technical University of Ukraine “Kyiv Polytechnic Institute”, 37, Prosp. Peremohy, Kyiv, Ukraine, 03056

autor

Mykytenko V. I.

• National Technical University of Ukraine “Kyiv Polytechnic Institute”, 37, Prosp. Peremohy, Kyiv, Ukraine, 03056

autor

Kolobrodov M. S.

• National Technical University of Ukraine “Kyiv Polytechnic Institute”, 37, Prosp. Peremohy, Kyiv, Ukraine, 03056

Bibliografia

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• [5] KOLOBRODOV V.G., TYMCHYK G.S., Analysis of optical systems of coherent spectrum analyzers, Rus. J. Opto-Mechanical Industry 10, 1982, pp. 4–7.
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• [7] KOLOBRODOV V.G., TYMCHYK G.S., Applied Diffractive Optics, Politekhnika, Kyiv, 2014.
• [8] KOLOBRODOV V.G., TYMCHYK G.S., KOLOBRODOV M.S., Geometrical noise bandwidth of the optical spectrum analyzer, Ukr. J. Visnik Kremenchuk Mykhailo Ostohradskyi National University 5, 2015, pp. 50–55.
• [9] KLIMKOV YU.M., Bases of Calculation of Optoelectronic Devices with Lasers, Sovetskoe Radio, Moscow, 1978.
• [10] BOGATYIREVA V.V., DMITRIEV A.L., Optical Methods of Information Processing, ITMO University, St. Petersburg, 2009.
• [11] KOLOBRODOV V.G., TYMCHYK G.S., QUYNH ANH, Defining generalized characteristics of coherent spectrum ANALYZER, Ukr. J. Naukovi visti NTUU “KPI”, No. 5, 2012, pp. 102–108.
• [12] BURALLI D.A., MORRIS G.M., Design of a wide field diffractive landscape lens, Applied Optics 28(18), 1989, pp. 3950–3959.
• [13] KOLOBRODOV V.G., TYMCHYK G.S., KOLOBRODOV M.S., Coherent Optical Spectrum Analyzer: Monograph, Politekhnika, Kyiv, 2015.

Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).