Loss Tangent

Loss tangent is a measure of the dielectric loss of a material, which is the amount of energy lost as heat when an electromagnetic field is applied to the material. In space and astronautical engineering, loss tangent is an important parameter for designing and testing materials used in spacecraft and satellite communication systems. A low loss tangent is desirable for materials used in high-frequency applications, such as antennas and microwave components, as it indicates that the material will not absorb or dissipate much of the electromagnetic energy passing through it. Conversely, a high loss tangent indicates that the material will absorb more energy and generate more heat, which can lead to signal attenuation and component failure. Loss tangent is typically measured using a network analyzer or other specialized equipment.
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