Optical design of the EXperiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM)

Thomas Essinger-Hileman; Trevor Oxholm; Gage Siebert; Peter Ade; Christopher Anderson; Alyssa Barlis; Emily Barrentine; Jeffrey Beeman; Nicholas Bellis; Patrick Breysse; Alberto Bolatto; Berhanu Bulcha; Giuseppe Cataldo; Jake Connors; Paul Cursey; Negar Ehsan; Lee-Roger Fernandez; Jason Glenn; Joseph Golec; James Hays-Wehle; Larry Hess; Amir Jahromi; Mark Kimball; Alan Kogut; Luke Lowe; Philip Mauskopf; Jeffrey McMahon; Mona Mirzaei; Harvey Moseley; Jonas Mugge-Durum; Omid Noroozian; Ue-Li Pen; Anthony Pullen; Samelys Rodriguez; Konrad Shire; Adrian Sinclair; Rachel Somerville; Thomas Stevenson; Eric Switzer; Peter Timbie; Carole Tucker; Eli Visbal; Carolyn Volpert; Edward Wollack; Shengqi Yang

doi:10.1117/12.2576254

13 December 2020 Optical design of the EXperiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM)

Thomas Essinger-Hileman, Trevor Oxholm, Gage Siebert, Peter Ade, Christopher Anderson, Alyssa Barlis, Emily Barrentine, Jeffrey Beeman, Nicholas Bellis, Patrick Breysse, Alberto Bolatto, Berhanu Bulcha, Giuseppe Cataldo, Jake Connors, Paul Cursey, Negar Ehsan, Lee-Roger Fernandez, Jason Glenn, Joseph Golec, James Hays-Wehle, Larry Hess, Amir Jahromi, Mark Kimball, Alan Kogut, Luke Lowe, Philip Mauskopf, Jeffrey McMahon, Mona Mirzaei, Harvey Moseley, Jonas Mugge-Durum, Omid Noroozian, Ue-Li Pen, Anthony Pullen, Samelys Rodriguez, Konrad Shire, Adrian Sinclair, Rachel Somerville, Thomas Stevenson, Eric Switzer, Peter Timbie, Carole Tucker, Eli Visbal, Carolyn Volpert, Edward Wollack, Shengqi Yang

Author Affiliations +

Proceedings Volume 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X; 114530H (2020) https://doi.org/10.1117/12.2576254
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

This work describes the optical design of the EXperiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM). EXCLAIM is a balloon-borne telescope that will measure integrated line emission from carbon monoxide (CO) at redshifts z<1 and ionized carbon ([CII]) at redshifts z = 2.5-3.5 to probe star formation over cosmic time in cross-correlation with galaxy redshift surveys. The EXCLAIM instrument will observe at frequencies of 420--540 GHz using six microfabricated silicon integrated spectrometers with spectral resolving power R = 512 coupled to kinetic inductance detectors (KIDs). A completely cryogenic telescope cooled to a temperature below 5 K provides low-background observations between narrow atmospheric lines in the stratosphere. Off-axis reflective optics use a 90-cm primary mirror to provide 4.2' full-width at half-maximum (FWHM) resolution at the center of the EXCLAIM band over a field of view of 22.5'.

Conference Presentation

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Thomas Essinger-Hileman, Trevor Oxholm, Gage Siebert, Peter Ade, Christopher Anderson, Alyssa Barlis, Emily Barrentine, Jeffrey Beeman, Nicholas Bellis, Patrick Breysse, Alberto Bolatto, Berhanu Bulcha, Giuseppe Cataldo, Jake Connors, Paul Cursey, Negar Ehsan, Lee-Roger Fernandez, Jason Glenn, Joseph Golec, James Hays-Wehle, Larry Hess, Amir Jahromi, Mark Kimball, Alan Kogut, Luke Lowe, Philip Mauskopf, Jeffrey McMahon, Mona Mirzaei, Harvey Moseley, Jonas Mugge-Durum, Omid Noroozian, Ue-Li Pen, Anthony Pullen, Samelys Rodriguez, Konrad Shire, Adrian Sinclair, Rachel Somerville, Thomas Stevenson, Eric Switzer, Peter Timbie, Carole Tucker, Eli Visbal, Carolyn Volpert, Edward Wollack, and Shengqi Yang "Optical design of the EXperiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM)", Proc. SPIE 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X, 114530H (13 December 2020); https://doi.org/10.1117/12.2576254

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