放射輝度と空間コヒーレンスの関係に基づいた画像型干渉分光放射計

抄録

An interferometric method for multispectral imaging has been considered to be a sensor in remote sensing of greenhouse gases from satellite platforms. This method, which we call imaging coherence spectroradiometry, retrieves multispectral images from the three-dimensional spatial coherence function measured by a simple volume interferometer. This interferometer is equivalent to a parallel two-dimensional array of usual Fourier transform spectrometers which are known to work well in thermal infrared regions. The principle of this radiometry and a specific example of the design of interferometer are demonstrated to show the capability of the sensor to conduct global observations.