Minimizing aberrations of a near-infrared acousto-optic video spectrometer by optimizing the tunable filter parameters

Machikhin, A.S., Batshev, V.I., Pozhar, V.E., Boritko, S.V.

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Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Мачихин А.С., Батшев В.И., Пожар В.Э., Боритко С.В. Минимизация аберраций акустооптического видеоспектрометра ближнего инфракрасного диапазона путём оптимизации параметров перестраиваемого фильтра // Оптический журнал. 2019. Т. 86. № 12. С. 59–64. http://doi.org/10.17586/1023-5086-2019-86-12-59-64

Machikhin A.S., Batshev V.I., Pozhar V.E., Boritko S.V. Minimizing aberrations of a near-infrared acousto-optic video spectrometer by optimizing the tunable filter parameters [in Russian] // Opticheskii Zhurnal. 2019. V. 86. № 12. P. 59–64. http://doi.org/10.17586/1023-5086-2019-86-12-59-64

For citation (Journal of Optical Technology):

A. S. Machikhin, V. I. Batshev, V. É. Pozhar, and S. V. Boritko, "Minimizing aberrations of a near-infrared acousto-optic video spectrometer by optimizing the tunable filter parameters," Journal of Optical Technology. 86(12), 794-798 (2019). https://doi.org/10.1364/JOT.86.000794

Abstract:

Minimization of the aberration distortions of a near-infrared image spectrometer is addressed in this study. A model of an acousto-optical video spectrometer has been developed that provides a fairly high quality of spectral images over the 0.9–1.7 µm range. Aberration distortions are minimized through ZEMAX software, using a semi-automated (interactive) procedure to optimize the geometric parameters of an acousto-optic paratellurite cell with the selected parameters of other optical elements of the system. The prototype developed here is characterized by the absence of distortion and lateral chromatic aberration, with diffraction-limited spatial resolution of 30 µm in the image plane within the entire field of view. The resulting spectral images confirm the calculation and simulation results.

Keywords:

spectral imaging, acousto-optical filtering, aberration calculation

Acknowledgements:

The research was supported by the Russian Foundation for Basic Research (project No. 18-29-20095).

OCIS codes: 080.3620, 220.1000, 230.1040, 300.6340

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