Professor Kieran Obrien kieran.s.obrien@durham.ac.uk
Professor
KIDSpec, the Kinetic Inductance Detector Spectrograph, is a concept for a highly sensitive, medium-spectral-resolution optical through near-IR spectrograph. It uses the intrinsic-energy-resolving capability of an array of optical/IR-sensitive MKIDs to distinguish multiple orders from a low-resolution grating. By acting as an ‘order resolver,’ the MKID array replaces the cross-disperser in an echelle spectrograph. This greatly simplifies the optical layout of the spectrograph and enables longer slits than are possible with cross-dispersed instruments (to improve sky subtraction). KIDSpec would have similar capabilities to ESO’s highly successful X-shooter instrument. It would provide an R = 4000–10,000 spectrum covering the optical and near-IR spectral range (0.4–1.5 µm). As well as a ‘long-slit’ mode, the IFU would provide a small ( ∼50 spaxel ) field of view for spatially resolved sources. In addition, the photon-counting operation of MKIDs and their photon-energy-resolving ability enable a read-noise-free spectrum with perfect cosmic ray removal. The spectral resolution would be sufficient to remove the bright night-sky lines without the additional pixel noise, making the instrument more sensitive than an equivalent semiconductor-based instrument. KIDSpec would enhance many existing high-profile science cases, including transient (GRB, SNe, etc.) follow-up, redshift determination of faint objects and transit spectroscopy of exoplanets. In addition, it will enable unique science cases, such as dynamical mass estimates of the compact objects in ultra-compact binaries.
O’Brien, K. (2020). KIDSpec: An MKID-Based Medium-Resolution, Integral Field Spectrograph. Journal of Low Temperature Physics, 199(1-2), 537-546. https://doi.org/10.1007/s10909-020-02347-z
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 14, 2020 |
Online Publication Date | Jan 30, 2020 |
Publication Date | Apr 30, 2020 |
Deposit Date | Jan 30, 2020 |
Publicly Available Date | Jan 30, 2020 |
Journal | Journal of Low Temperature Physics |
Print ISSN | 0022-2291 |
Electronic ISSN | 1573-7357 |
Publisher | Springer |
Peer Reviewed | Peer Reviewed |
Volume | 199 |
Issue | 1-2 |
Pages | 537-546 |
DOI | https://doi.org/10.1007/s10909-020-02347-z |
Public URL | https://durham-repository.worktribe.com/output/1277758 |
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