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16 papers · 1 filter
2023 Astrophotonics Roadmap: pathways to realizing multi-functional integrated astrophotonic instruments
Nemanja Jovanovic, Pradip Gatkine, Narsireddy Anugu +77
Photonics offer numerous functionalities that can be used to realize astrophotonic instruments. The most spectacular example to date is the ESO Gravity instrument at the Very Large…
Stable fiber-illumination for extremely precise radial velocities with NEID
Shubham Kanodia, Andrea S. J. Lin, Emily Lubar +24
NEID is a high-resolution red-optical precision radial velocity (RV) spectrograph recently commissioned at the WIYN 3.5 m telescope at Kitt Peak National Observatory, Arizona, USA.…
A Decade of Linear and Circular Polarimetry with the POLISH2 Polarimeter
Sloane J. Wiktorowicz, Agnieszka Słowikowska, Larissa A. Nofi +15
The POLISH2 optical polarimeter has been in operation at the Lick Observatory 3-m Shane telescope since 2011, and it was commissioned at the Gemini North 8-m in 2016. This instrume…
An all-photonic, dynamic device for flattening the spectrum of a laser frequency comb for precise calibration of radial velocity measurements
Nemanja Jovanovic, Pradip Gatkine, Boqiang Shen +9
Laser frequency combs are fast becoming critical to reaching the highest radial velocity precisions. One shortcoming is the highly variable brightness of the comb lines across the…
A mission architecture to reach and operate at the focal region of the solar gravitational lens
Henry Helvajian, Alan Rosenthal, John Poklemba +6
We present initial results of an ongoing engineering study on the feasibility of a space mission to the focal region of the solar gravitational lens (SGL). The mission goal is to c…
A Mission to Nature's Telescope for High-Resolution Imaging of an Exoplanet
Louis D. Friedman, Darren Garber, Slava G. Turyshev +4
The solar gravitational lens (SGL) provides a factor of amplification for viewing distant point sources beyond our solar system. As such, it may be used for resolved imag…