Applied Photometry, Radiometry, and Measurements of Optical Losses reviews and analyzes physical concepts of radiation transfer, providing quantitative foundation for the means of measurements of optical losses, which affect propagation and distribution of light waves in various media and in diverse optical systems and components. The comprehensive analysis of advanced methodologies for low-loss detection is outlined in comparison with the classic photometric and radiometric observations, having a broad range of techniques examined and summarized: from interferometric and calorimetric, resonator and polarization, phase-shift and ring-down decay, wavelength and frequency modulation to pulse separation and resonant, acousto-optic and emissive - subsequently compared to direct and balancing methods for studying free-space and polarization optics, fibers and waveguides. The material is focused on applying optical methods and procedures for evaluation of transparent, reflecting, scattering, absorbing, and aggregated objects, and for determination of power and energy parameters of radiation and color properties of light.
Non-verbal communication - the eye movements, facial expressions, tone of voice, postures and gestures that we all use more or less consciously and more or less effectively - can enhance or diminish every form of social interaction. Michael Argyle's second edition of Bodily Communication is an invaluable up-to-date guide for students of the subject. In the last ten years NVC has become recognized as an important part of social psychology and of professional training, particularly in social work, education and management. Greatly expanded from the first edition, and significantly revised, this second edition has two completely new chapters on social skills and personality, and a new chapter on research methods. The author, a pioneer in the study of non-verbal communication, presents the second edition in the same accessible style as the first, bringing to the reader both his intense interest in the subject and his authoritative knowledge of it.
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