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K. VARDANYAN1,* , A. KHACHATUROVA1, S. VARZHAPETYAN1, A. BADALYAN1, S. SHMAVONYAN1, A. PAPOYAN1
We present technique and initial results of optical screening and imaging of highly scattering and/or absorbing media, including biological objects. The method relies on scanning a weak modulated laser beam across the tested object followed by highly-sensitive lock-in detection, PC-acquisition and data processing. Modulation of laser beam amplitude is synchronized with computer-controlled scanning step and subsequent synchronous detection followed by real-time data processing allowing to enhance the spatial resolution and significantly reduce the overall variation of the transmitted signal. The preliminary studies have shown principal applicability of the suggested technique for medical diagnostics, biology, quality control and homeland security.
Optical imaging, Laser screening, Optical diagnostics.
K. VARDANYAN, A. KHACHATUROVA, S. VARZHAPETYAN, A. BADALYAN, S. SHMAVONYAN, A. PAPOYAN, Straightforward optical transmission method for visualization of highly-absorbing and scattering objects, Optoelectronics and Advanced Materials - Rapid Communications, 4, 8, August 2010, pp.1163-1165 (2010).
Submitted at: July 30, 2010
Accepted at: Aug. 12, 2010
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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