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What is Infrared (IR)

Chapter 5
Handbook of Research on Emerging Technologies for Digital Preservation and Information Modeling
The electromagnetic radiation with a frequency band of the electromagnetic spectrum lower than that of visible light, but greater than that of radio waves. Its wavelength ranges between 700 nm and 1 mm. The term means “below red” (from the Latin infra, “below”), because red is the visible color with the lowest frequency.
Published in Chapter:
Thermographic Survey for the Preservation and Restoration of Architectural Cultural Heritage
Emiliano Della Bella (Sapienza University of Rome, Italy)
Copyright: © 2017 |Pages: 28
DOI: 10.4018/978-1-5225-0680-5.ch005
Abstract
This chapter provides technical information and physics background to the use of thermographic cameras in the field of preservation and restoration of architectural cultural heritage. After an overview on how IR cameras work, both applications and common cases will be presented so that the operator may easily deal and recognize building pathologies and masonry anomalies. These, described in detail, range from water moist problems to structural gaps. As moisture and humidity related problems represent the majority of IR surveying cases in the field of architecture, they will be handled in a comprehensive way so that both the operator and the scholar are well prepared to understand and treat the pathologies these may cause. The operator is instructed on how to perform a project survey on a step by step layout based on the UNI 9252, the UNI EN 13187 and the ISO 9712:2005 regarding the methodologies of IR survey and the procedures of non destructive tests.
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Chapter 32
Spatial Authentication Using Cell Phones
Infrared radiation is electromagnetic radiation of a wavelength longer than that of visible light, but shorter than that of radio waves. The uses of infrared include military, such as: target acquisition, surveillance, homing and tracking and non-military, such as thermal efficiency analysis, remote temperature sensing, short-ranged wireless communication, spectroscopy, and weather forecasting
Published in Chapter: Spatial Authentication Using Cell Phones; From: Handbook of Research on Information Security and Assurance
Full Text Chapter Download: US $37.50 Add to Cart
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