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astro-ph.IM2024
Efficient ultra-broadband low-resolution astrophotonic spectrographs
Pradip Gatkine, Greg Sercel, Nemanja Jovanovic +9
Broadband low-resolution near-infrared spectrographs in a compact form are crucial for ground- and space-based astronomy and other fields of sensing. Astronomical spectroscopy pose…
astro-ph.IM2024
Thermal control of long delay lines in a high-resolution astrophotonic spectrograph
Gregory P. Sercel, Pradip R. Gatkine, Nemanja Jovanovic +4
High-resolution astronomical spectroscopy carried out with a photonic Fourier transform spectrograph (FTS) requires long asymmetrical optical delay lines that can be dynamically tu…