Hangxin Ji
Papers
1
Total Citations
7
H-Index
1
About
Hangxin Ji is an instrumental astronomer whose work is central to the design of next-generation ground-based observatories. Their primary research focuses on the development of high-performance optical spectrographs, with a key contribution being the trade study for the Wide Field Optical Spectrometer (WFOS), a first-light instrument for the Thirty Meter Telescope (TMT). Ji led the critical comparison between slicer and fiber-based instrument concepts, evaluating their respective performance, complexity, and risk to determine the optimal design for this seeing-limited, multi-object spectrograph. This foundational work, published in 2018, has been cited 7 times and directly informs the instrument’s final configuration, which will deliver a minimum resolution of R~5,000 across a simultaneous 31-nanometer wavelength range. By navigating the engineering and scientific trade-offs for WFOS—scheduled for first observations in 2027—Ji is helping to shape the observational capabilities that will enable breakthrough discoveries in stellar astrophysics, galaxy evolution, and cosmology. Their contributions exemplify the critical role of instrumentation design in pushing the boundaries of astronomical research.
Research Focus
Key Achievements
Top Papers
- 1