![SCIENTIFIC AND TECHNICAL JOURNAL OF INFORMATION TECHNOLOGIES, MECHANICS AND OPTICS](/images/mag-ntv.png)
ENEGETIC EFFICIENCY ASSESSMENT OF SPECTRAL COHERENCE TOMOGRAPH OPTICAL-ELECTRONIC SYSTEM
![SCIENTIFIC AND TECHNICAL JOURNAL OF INFORMATION TECHNOLOGIES, MECHANICS AND OPTICS](/images/mag-ntv.png)
Annotation
Subject of Research.The paper considers the methods of optical coherence tomography (OCT) based on illuminating a sample by optical radiation with subsequent determination of light reflection degree through a sample depth. Illumination method defines basic characteristics of OCT system such as sensitivity and speed in studies of biological samples. In mechanical scanning-free OCT systems, line- and full-field illumination methods are applied utilizing object illumination by laser source with tunable wavelength. The study is aimed at energetic efficiency quantitative assessment of line-field OCT system with tunable radiation source and in comparison of line-field illumination method with full-field one. Method. Based on the model of OCT optical system, ray tracing has been carried out, and spatial distribution of energy reflected from a sample and registered by photo detector has been determined. Photoelectrical signal and signal-to-noise ratio have been evaluated.Main Results. It has been shown that line-field OCT system providessignificantly higher sensitivity (97 dB) compared to full-field system (78 dB). In addition, line-field system allows obtaining B-scan without moving of mechanical parts. Original scheme of lighting channel has been proposed providing uniform illumination spatial distribution along lighting line without sensitivity decay near edges of image field. Practical Relevance.The obtained results can be applied for creation of compact real-time spectral OCT system.
Keywords
Постоянный URL
Articles in current issue
- TO THE ANNIVERSARY OF ALEXANDER LVOVICH FRADKOV
- DEPENDENCE OF SPECTRAL CHARACTERISTICS OF SEMICONDUCTOR AND SOLID STATE LASERS OF VISIBLE RANGE ON ACTIVE ENVIRONMENT TEMPERATURE
- SPECTRAL SENSITIVITY STABILITY ESTIMATION OF DIGITAL COLOR CAMERAS
- METAFILM-BASED BIOSENSOR FOR DETERMINATION OF GLUCOSE CONCENTRATION IN HUMAN BLOOD
- ADAPTIVE ROBUST DISTURBANCE COMPENSATION IN LINEAR SYSTEMS WITH DELAY
- ROBUST STABILIZATION OF TWIN-ROTOR MIMO PLANT
- POROUS STRUCTURE AND FUNCTIONAL PROPERTIES OF HIGHLY-PERMEABLE POLYPROPYLENE FILMS
- FABRICATION OF ACTIVE ADDITIVE TO SHAMPOOS BASED ON DIFFERENT NATURE NANOPARTICLES
- LASER SYNTHESIS OF SELENIUM NANOPARTICLES IN LIQUID MONOMERS
- DESIGN CONCEPTS FOR DIGITAL PROJECT AND PRODUCTION COMPANIES OF INDUSTRY 4.0 STANDARD
- AUDIO-REPLAY ATTACKS SPOOFING DETECTION FOR SPEAKER RECOGNITION SYSTEMS
- MATRIX-ITERATIVE SOLUTION METHOD FOR SYSTEM OF LINEAR EQUATIONS AND ITS APPLICATION IN SPACE TOMOGRAPHY SCANNING USING RADAR
- CROSS-DOMAIN WEB AUTHOR IDENTIFICATION
- FACE RECOGNITION SYSTEM FOR PAYMENT PROCESS ON MOBILE DEVICES AND WEB-APPLICATIONS
- MODELING OF ETHERNET NETWORKS IN OMNET ++ INET FRAMEWORK MEDIUM
- QUEUE SYSTEMS WITH POLYMODAL QUERY FLOWS
- VERIFICATION OF INTEGRATED CIRCUIT BEHAVIORAL MODELS BY PROGRAMMABLE LOGIC
- STUDY OF COMPUTER VISION ALGORITHMS FOR SPACE TRACKING SYSTEMS IN TYPICAL MODES OF THEIR FUNCTIONING
- AN ALGORITHM FOR COMPACT FIXED-POINT IMPLEMENTATION OF DIGITAL CONTROLLERS
- SIMULATION MODEL FOR MULTICHANNEL PRIORITY SERVICE OF REDUNDANT DATA TRANSFER SYSTEM
- PLATFORM ARCHITECTURE FOR DEVELOPMENT OF MOBILE APPLICATIONS WITH OUTDOOR-QUESTS
- SHORTCUT ANALYTICAL-STATISTICAL MODELING METHODS FOR TECHNICAL SYSTEMS WITH DISTRIBUTED STRUCTURE
- STABILITY OF VISCOUS FILM ON SURFACE OF SLIGHTLY INCLINED ROTATING VERTICAL CYLINDER
- MATHEMATICAL MODEL OF RESONATOR CHAINS IN EXTERNAL MAGNETIC FIELD
- CREATION OF INDIVIDUAL LEARNING TRAJECTORIES BASED ON STUDENT’S ACHIEVEMENTS AND FUNCTIONAL STATE ANALYSIS
- DEVELOPMENT OF EDUCATIONAL PLATFORM FOR INDUSTRY 4.0 PRODUCTION PROCESS STUDY