Tootfinder

The Dispersion Leverage Coronagraph (DLC): A nulling coronagraph for use on primary objective grating telescopes
Leaf Swordy, Heidi Jo Newberg, Becket Hill, Richard K. Barry, Marina Cousins, Kerrigan Nish, Frank Ravizza, Sarah Rickborn
https://arxiv.org/abs/2507.11745

The Dispersion Leverage Coronagraph (DLC): A nulling coronagraph for use on primary objective grating telescopes
We present the Dispersion Leverage Coronagraph (DLC), a novel variation of the Achromatic Interfero Coronagraph (AIC) that is designed for optical systems featuring large, dispersive primary objective gratings. DLC was originally designed for the Diffractive Interfero Coronagraph Exoplanet Resolver (DICER), a notional 20m class infrared space telescope utilizing the enhanced one-dimensional angular resolution of large diffraction gratings in order to discover and characterize near-Earth exoplan…

Holographic hyperbranched polymer nanocomposite grating with exceptionally large neutron scattering length density modulation amplitudes
Elhoucine Hadden, J\"urgen Klepp, Martin Fally, Tobias Jenke, Joachim Kohlbrecher, Tomoko Shimada, Asako Narita, Juro Oshima, Yasuo Tomita
https://arxiv.org/abs/2507.00922

Holographic hyperbranched polymer nanocomposite grating with exceptionally large neutron scattering length density modulation amplitudes
Nanoparticle-polymer composite gratings incorporating ultrahigh-refractive-index hyperbranched polymers as organic nanoparticles have demonstrated exceptional light optical properties, yet their potential for neutron diffraction applications remains unexplored. We report on the neutron optical properties of a holographically structured hyperbranched-polymer-dispersed nanocomposite grating at a quasi-monochromatic neutron wavelength of 2 nm. We show that neutron diffraction measurements performe…