Khayyam: progress and prospects of coupling a spatial heterodyne spectrometer (SHS) to a Cassegrain telescope for optical interf
![Echelle Spectrographs: instruments covering a Wide Wavelength Range with High Spectral Resolution | Universe of Spectroscopy Echelle Spectrographs: instruments covering a Wide Wavelength Range with High Spectral Resolution | Universe of Spectroscopy](https://prc.nao.ac.jp/extra/uos/en/no02/img/fig2.jpg)
Echelle Spectrographs: instruments covering a Wide Wavelength Range with High Spectral Resolution | Universe of Spectroscopy
![telescope - Plot of best available resolution vs wavelength - radio through gamma rays? - Astronomy Stack Exchange telescope - Plot of best available resolution vs wavelength - radio through gamma rays? - Astronomy Stack Exchange](https://i.stack.imgur.com/tHg2C.png)
telescope - Plot of best available resolution vs wavelength - radio through gamma rays? - Astronomy Stack Exchange
Left: Spectral resolution of the spectrometer. Right: Total efficiency... | Download Scientific Diagram
![Spectral bands versus spatial resolution The Multi Spectral Instrument... | Download Scientific Diagram Spectral bands versus spatial resolution The Multi Spectral Instrument... | Download Scientific Diagram](https://www.researchgate.net/publication/252721038/figure/fig2/AS:667688745586706@1536200810685/Spectral-bands-versus-spatial-resolution-The-Multi-Spectral-Instrument-namely-MSI-is.png)