Optical-mechanical operation of the F2T2 filter: a tunable filter designed to search for First Light
/ Authors
Erin Mentucha, Alan Scottb, Roberto Abrahama, Elizabeth Bartond, Matthew Bershadye, Joss Bland-Hawthornf, David Cramptong, René Doyonh, Steve Eikenberryi, Mike Gladdersj
and 9 more authors
Karl Glazebrookk, Joe Jensoni, J. Juliani, Roger Juliani, Jean-Paul Kneibl, David Loopg, Nick Rainesi, Neil Rowlandsb, JD Smithm
/ Abstract
The Flamingos-2 Tandem Tunable filter is a tunable, narrow-band filter, consisting of two Fabry-Perot etalons in series, capable of scanning to any wavelength from 0.95 to 1.35 microns with a spectral resolution of R~800. It is an accessory mode instrument for the near-IR Flamingos-2 imaging-spectrograph designed for the Gemini South 8m Observatory and will be fed through the upcoming Multi-Conjugate Adaptive Optics feed. The primary science goal of the F2T2 filter is to perform a ground-based search for the first star forming regions in the universe at redshifts of 7 < z < 11. The construction of the F2T2 filter is complete and it is currently in its calibration and commissioning phases. In this proceeding, we describe the calibration and performance of the instrument.
Journal: Astronomical Telescopes + Instrumentation
DOI: 10.1117/12.789692