نتایج جستجو برای: medical optics
تعداد نتایج: 626725 فیلتر نتایج به سال:
Our recent advances in solid-state optoelectronic materials and devices will be reviewed. In the area of glass optics, fabrication of novel microstructured and multi-core fibers and their use in realizing single mode lasers will be summarized. In organic and plastic optics, photorefractive polymers for 3D display applications and nonlinear optical polymers for high speed modulators in RF photon...
today, lasers are widely used in biology and medicine, and the majority of healthcenters and hospitals utilize modern laser systems for diagnosis and therapy applications.researchers have introduced different medical applications for different lasers used in surgeries and other medical treatments. medical lasers can be categorized in both diagnosis and therapy branches. main difference between ...
Measurement of ionizing radiation in various fields, such as environmental safety, industrial detection processes, radiation protection and medical is very important. Radiation dosimetry plays an important role in determining the amount of energy absorbed and the effects of radiation. Recent optical fiber sensors have been shown to be radiation dosimeters. Our goal here is to investigate the ef...
laser-tissue interaction is of great interest due to its significant application in biomedical optics in both diagnostic and treatment purposes. major aspects of the laser-tissue interaction which has to be considered in biomedical studies are the thermal properties of the tissue and the thermal changes caused by the interaction of light and tissue. in this review paper the effects of light on ...
the purpose of this study was to examine the english language needs of medical students at tehran university of medical sciences . analysis of the needs took place for three groups: 320 undergraduate students, 30 postgraduate students and 20 university instructors. a triangulation approach to collect data was used in which a combination of the quantitative (using the questionnaires) and qualita...
پژوهش حاضر به روش توصیفی و با هدف تحلیل استنادی ماخذ مقالات نشریات علوم پزشکی انگلیسی زبان ایران و تعیین میزان دسترسی رایگان به متن کامل مجلات استناد شده در آنها از طریق سایتهای اینترنت انجام گرفته است. جامعه پژوهش شامل کل استنادهای مقالات دوره 2000 سه نشریه medical journal ، iranian journal of medical sciences، acta medica iranica of islsmic republic of iran بوده که این مجلات دارای...
1. Geometrical Optics 1.1 Fermat’s Principle and Law of Refraction 1.2 First Order Optics 1.3 Aberrations 2. Wave Optics 2.1 Diffraction 2.2 Young’s Double Slit 2.3 Interferometers and Coherence of Light Sources 3. Photon or Quantum Optics 4. Optical Instruments 4.1 Magnifiers 4.2 Ophthalmic Lenses 4.3 Telescopes and Microscopes 4.4 Medical Optical Instruments 4.5 Projectors 5. Optical Metrolog...
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