Harwit M, Phillips P G, Fine T, Sloane N J
Appl Opt. 1970 May 1;9(5):1149-54. doi: 10.1364/AO.9.001149.
We analyze the performance of a dispersion instrument in which light is multiplexed both in the entrance and exit slit positions. This double multiplexing scheme allows one to recover both Fellgett's advantage and the high throughput advantage normally attributed only to interferometric spectrometers. The spectrometer's performance is evaluated for a number of binary cyclic coding schemes. Optical limitations on doubly multiplexed instruments are discussed, and we show that such spectrometers compare favorably with Michelson interferometric spectrometers. Some first results obtained with a laboratory pilot model are presented.
我们分析了一种色散仪器的性能，该仪器在入射和出射狭缝位置对光进行复用。这种双重复用方案使人们能够同时获得费尔盖特优势和通常仅归因于干涉光谱仪的高通量优势。针对多种二进制循环编码方案评估了该光谱仪的性能。讨论了双重复用仪器的光学限制，并且我们表明此类光谱仪与迈克尔逊干涉光谱仪相比具有优势。还展示了使用实验室试验模型获得的一些初步结果。
