Physical Aspects of Infrared Thermography

摘要: Thermography in the widest sense of term can be defined as recording temperature. In a similar way well known rotating drum which records air-temperature thought thermograph. Indeed, such an instrument is often combined with barograph and/or hygrograph. However, nowadays thermography mostly used narrower for method forming image (the thermogram) temperature distribution over surface body1 and this achieved by using radiation emitted from body. Some authors call tele-thermography to distinguish contact thermal sensor direct body (eg liquid crystal thermography).2 (tele-) we may distinguish: 1. Infrared infrared at wavelengths between 0.8 μm 1 mm. 2. Microwave microwave energy mm m.3