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Development of a compact hardware/software package for noninvasive diagnostics of skin diseases in the THz frequency range

  • Electromagnetic Applications in Biology and Medicine
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Abstract

The key elements of a mobile hardware/software package for noninvasive diagnostics of skin diseases in the THz frequency range have been designed, produced, and approved in model experiments. These elements are a compact THz oscillator based on an all-fiber femtosecond laser system and a unit for recovering electrodynamic characteristics of layered objects from scattered THz radiation spectra. Generation of 250-fs optical pulses at a wavelength of 1.03 µm with energy of 0.3 µJ and a repetition frequency of 1MHz is demonstrated and the efficiency of optical-THz conversion is found to be 5×10−6. The proposed algorithm is constructed based on an iterative procedure and can be used for dispersive and absorbing media. It has higher operating speed in comparison with the algorithms for solving inverse problems, which are based on functional minimization methods.

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Authors and Affiliations

  1. Institute of Applied Physics, Russian Academy of Sciences, ul. Ul’yanova 46, Nizhni Novgorod, 603950, Russia

    E. A. Anashkina, A. V. Andrianov, R. A. Akhmedzhanov, I. E. Ilyakov, A. V. Kim, V. A. Mironov, S. V. Muravyev, E. V. Suvorov, M. D. Tokman, D. A. Fadeev & B. V. Shishkin

  2. University of Nizhni Novgorod, pr. Gagarina 23, Nizhni Novgorod, 603950, Russia

    E. A. Anashkina, A. V. Andrianov, R. A. Akhmedzhanov, A. V. Kim, V. A. Mironov, S. V. Muravyev, E. V. Suvorov & M. D. Tokman

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  1. E. A. Anashkina
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  2. A. V. Andrianov
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  3. R. A. Akhmedzhanov
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  4. I. E. Ilyakov
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  5. A. V. Kim
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  6. V. A. Mironov
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  7. S. V. Muravyev
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  8. E. V. Suvorov
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  9. M. D. Tokman
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  10. D. A. Fadeev
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  11. B. V. Shishkin
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Correspondence to E. A. Anashkina.

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Anashkina, E.A., Andrianov, A.V., Akhmedzhanov, R.A. et al. Development of a compact hardware/software package for noninvasive diagnostics of skin diseases in the THz frequency range. Phys. Wave Phen. 22, 202–209 (2014). https://doi.org/10.3103/S1541308X14030078

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  • DOI: https://doi.org/10.3103/S1541308X14030078

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