论文标题
建模几种模式远红外光谱仪的部分相干行为
Modelling the Partially Coherent Behaviour of Few-Mode Far-Infrared Grating Spectrometers
论文作者
论文摘要
建模超低噪声远红外光谱仪对下一代远红外空间观测值至关重要。由于事件光谱场的部分相干形式以及光学和检测器的几种模式响应，因此常规技术很尴尬。我们提出了一种模态技术，用于建模光谱仪的行为，该技术允许繁殖和检测部分相干场，并包含温暖的内部表面辐射的散散光。我们通过对拟议的Spica任务中提议的Safari仪器的长波长频带的行为进行建模来说明该技术。
Modelling ultra-low-noise far-infrared grating spectrometers has become crucial for the next generation of far-infrared space observatories. Conventional techniques are awkward to apply because of the partially coherent form of the incident spectral field, and the few-mode response of the optics and detectors. We present a modal technique for modelling the behaviour of spectrometers, which allows for the propagation and detection of partially coherent fields, and the inclusion of straylight radiated by warm internal surfaces. We illustrate the technique by modelling the behaviour of the Long Wavelength Band of the proposed SAFARI instrument on the well-studied SPICA mission.
