Holographic methods of detection and analysis of small vibrations using biological photoreceptor bacteriorhodopsin

Elena Y. Korchemskaya; Nikolai M. Burykin

doi:10.1117/12.386719

22 May 2000 Holographic methods of detection and analysis of small vibrations using biological photoreceptor bacteriorhodopsin

Elena Y. Korchemskaya, Nikolai M. Burykin

Author Affiliations +

Proceedings Volume 4072, Fourth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (2000) https://doi.org/10.1117/12.386719
Event: 4th International Conference on Vibration Measurement by Laser Techniques, 2000, Ancona, Italy

Abstract

The biological photoreceptor bacteriorhodopsin (bR) uses light energy to translocate protons across the cell membrane. The bR-films have spatial resolution does not fall below 5000 lines/mm, require no external processing, and may be cycled through the write/erase process more over millions of times without degradation. We have shown in Raman-Nath conditions (thin holographic grating) when the intensities of recording beams are equal, a very drastic increase in the first-order self-diffraction beam occurs under impulse shift. In this work, we propose to apply the kinetic characteristics of the first-order self-diffraction beam in thin holographic grating conditions on bR-film for real-time analysis of small vibrations and shocks. Oscillograms of these rapid vibrations are given. The processing cycle time is less than 1 ms. Detection and analysis of small vibrations and shocks in present method can be directly observed on the oscillograph screen without the need for electrical amplification and computation circuits. Only the He-Ne laser with wavelength 633 nm is used in our system, it makes possible the low-cost diode lasers also to be used.

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Elena Y. Korchemskaya and Nikolai M. Burykin "Holographic methods of detection and analysis of small vibrations using biological photoreceptor bacteriorhodopsin", Proc. SPIE 4072, Fourth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 May 2000); https://doi.org/10.1117/12.386719

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