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Author

P. Gatkine

2 papers indexed here

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Aug 2026

Developing high-efficiency high-resolution photonic spectrographs for astronomy

Astrophotonic spectrographs offer a unique capability to miniature astronomical spectrographs by several orders of magnitude and eliminate any moving parts by leveraging single-mode (i.e. diffraction-limited) input. This is a critical technology for attaining high thermo-mechanical stability, which is a requirement for...

P. Gatkine, G. Sercel, N. Jovanovic et al. · 0 citations
Aug 2026

Simulation and development of astrophotonic H-band nulling beam combiner for the CHARA Array

Nulling interferometry is a promising method for direct detection and characterization of faint stellar companions such as exoplanets and faint binary sources. The dominant constraint on instrument performance is instability noise from vibrations, thermal expansions, and other systematic sources. Photonic instruments h...

Samantha G. Morrison, P. Gatkine, M. Fitzgerald · 0 citations

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