Dr Nicholas F Cothard

NASA Postdoc Fellow at Goddard Space Flight Center. Applied Physics PhD from Cornell.

Main-Author Papers

  1. P. K. Day, N. F. Cothard, et al. “A 25-micron Single Photon Sensitive Kinetic Inductance Detector”, PhysRevX (2024), DOI, arXiv:2404.10246

  2. N. F. Cothard et al. “Parallel Plate Capacitor Aluminum KIDs for Future Far-Infrared Space-Based Observatories”, Journal of Low Temperature Physics (2024), DOI, arXiv:2311.00773

  3. N. F. Cothard et al. “Monolithic Silicon Microlens Arrays for Far-Infrared Astrophysics”, Applied Optics (2024), DOI, arXiv:2311.00819

  4. N. F. Cothard et al. “Comparing complex impedance and bias step measurements of Simons Observatory transition edge sensors”, Proc. SPIE (2020), DOI, arXiv:2012.08547

  5. N. F. Cothard et al. “The Design of The CCAT-prime Epoch of Reionization Spectrometer Instrument”, Journal of Low Temperature Physics (2020), DOI, arXiv:1911.11687

  6. J. R. Stevens, N. F. Cothard, E. M. Vavagiakis, et al. “Characterization of Transition Edge Sensors for the Simons Observatory”, Journal of Low Temperature Physics (2020), DOI, arXiv:1912.00860

  7. E. M. Vavagiakis, N. F. Cothard, J. R. Stevens, et al. “Developing AlMn films for Argonne TES fabrication”, Journal of Low Temperature Physics (2020), DOI, arXiv:1910.10199

  8. N. F. Cothard et al. “Optimizing the efficiency of Fabry-Perot interferometers with silicon-substrate mirrors”, Proc. SPIE (2018), DOI, arXiv:1807.06019

  9. P. A. Gallardo, N. F. Cothard, R. Puddu, et al. “Far Sidelobes from Baffles and Telescope Support Structures in the Atacama Cosmology Telescope”, Proc. SPIE (2018), DOI, arXiv:1808.05101

  10. B. J. Koopman, N. F. Cothard, et al. “Advanced ACTPol Low-Frequency Array: Readout and Characterization of Prototype 27 and 39 GHz Transition Edge Sensors”, Journal of Low Temperature Physics (2018), DOI, arXiv:1711.02594

  11. P. A. Gallardo, B. J. Koopman, N. F. Cothard, et al. “Deep Reactive Ion Etched Anti-Reflection Coatings for Sub-millimeter Silicon Optics”, Applied Optics (2017), DOI, arXiv:1610.07655

Collaboration Papers

  1. T. Fischer et al. (including N. F. Cothard) “JWST NIRCam Imaging of NGC 4258: I. Observation Overview”, AAS (In Review 2025)

  2. B. Zou et al. (including N. F. Cothard) “Demonstration of a high-resolution virtually imaged phased array in the far-infrared”, Applied Optics (2025), DOI:10.1364/AO.555589

  3. T. Louis et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: DR6 Power Spectra, Likelihoods and $\Lambda$CDM Parameters”, JCAP (In Review, 2025), arXiv:2503.14452

  4. E. Calabrese et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: DR6 Constraints on Extended Cosmological Models”, JCAP (In Review 2025), arXiv:2503.14454

  5. S. Naess et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: DR6 Maps”, JCAP (In Review 2025), arXiv:2503.14451

  6. M. Abitbol et al. (including N. F. Cothard) “The Simons Observatory: Science Goals and Forecasts for the Enhanced Large Aperture Telescope”, JCAP (In Review 2025),arXiv:2503.00636

  7. J. Perido et al. (including N. F. Cothard) “Metal-mesh linear variable bandpass filter for far-infrared wavelengths”, Applied Optics (2024), DOI:10.1364/AO.534805, arXiv:2410.00826

  8. E. Kane et al. (including N. F. Cothard) “Development of an Ultra-Sensitive 210-micron Array of KIDs for Far-IR Astronomy”, Proc. SPIE (2024), arXiv:2408.03859

  9. S. Hailey-Dunsheath et al. (including N. F. Cothard) “Characterization of a Far-Infrared Kinetic Inductance Detector Prototype for PRIMA”, IEEE Transactions on Terahertz Science and Technology (in review, 2024), arXiv:2311.03586

  10. L. Foote et al. (including N. F. Cothard) “High-sensitivity Kinetic Inductance Detector Arrays for the Probe Far-Infrared Mission for Astrophysics”, Journal of Low Temperature Physics (2024), DOI, arxiv:2311.02175

  11. J. Perido et al. (including N. F. Cothard) “Parallel-Plate Capacitor Titanium Nitride Kinetic Inductance Detectors for Infrared Astronomy”, Journal of Low Temperature Physics (2024), DOI, arxiv:2312.17378

  12. E. Kane et al. (including N. F. Cothard) “Modeling of Cosmic Rays and Near-IR photons in aluminum KIDs”, Journal of Low Temperature Physics (2024), DOI, arxiv:2311.04859

  13. W. Coulton et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: High-resolution component-separated maps across one-third of the sky”, PhysRevD (2024), DOI, arXiv:2307.01258

  14. M. Madhavacheril et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: DR6 Gravitational Lensing Map and Cosmological Parameters”, ApJ (2024), DOI, arXiv:2304.05203

  15. F. Qu et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: A Measurement of the DR6 CMB Lensing Power Spectrum and its Implications for Structure Growth”, ApJ (2024), DOI, arXiv:2304.05202

  16. J. Perido et al. (including N. F. Cothard) “Cross-slot Metal-mesh Bandpass Filters for Far-Infrared Astronomy”, Proc. SPIE (2022), DOI, arXiv:2312.15085

  17. T. Nikola et al. (including N. F. Cothard) “CCAT-prime: the Epoch Reionization Spectrometer for prime-cam on FYST”, Proc. SPIE (2022), DOI

  18. B. Zou et al. (including N. F. Cothard) “CCAT-prime: The Design and Characterization of the Silicon Mirrors for the Fabry-Perot Interferometer in the Epoch of Reionization Spectrometer”, Proc. SPIE (2022), DOI, arXiv:2207.08318

  19. Z. Huber et al. (including N. F. Cothard) “The Simons Observatory: Magnetic Shielding Measurements for the Universal Multiplexing Module”, Journal of Low Temperature Physics (2022), DOI, arXiv:2111.11495

  20. S. Choi et al. (including N. F. Cothard) “CCAT-prime: Characterization of the First 280 GHz MKID Array for Prime-Cam”, Journal of Low Temperature Physics (2022), DOI, arXiv:2111.01055

  21. The CCAT-Prime Collaboration (including N. F. Cothard) “CCAT-prime Collaboration: Science Goals and Forecasts with Prime-Cam on the Fred Young Submillimeter Telescope”, ApJ (2021), DOI, arXiv:2107.10364

  22. G. Chesmore et al. (including N. F. Cothard) “The Simons Observatory: HoloSim-ML: machine learning applied to the efficient analysis of radio holography measurements of complex optical systems”, Applied Optics (2021), DOI, arXiv:2107.04138

  23. H. McCarrick et al. (including N. F. Cothard) “The Simons Observatory microwave SQUID multiplexing detector module design”, ApJ (2021), DOI, arXiv:2106.14797

  24. Y. Guan et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: Microwave Intensity and Polarization Maps of the Galactic Center”, ApJ (2021), DOI, arXiv:2105.05267

  25. S. Naess et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: A search for Planet 9”, ApJ (2021), DOI, arXiv:2104.10264

  26. Z. Xu et al. (including N. F. Cothard) “The Simons Observatory: the Large Aperture Telescope (LAT)”, AAS Research Note (2021), DOI, arXiv:2104.09511

  27. N. Zhu et al. (including N. F. Cothard) “The Simons Observatory Large Aperture Telescope Receiver”, ApJS (2021), DOI, arXiv:2103.02747

  28. E. M. Vavagiakis et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: Probing the Baryon Content of SDSS DR15 Galaxies with the Thermal and Kinematic Sunyaev-Zel’dovich Effects”, Phys. Rev. D (2021), DOI, arXiv:2101.08373

  29. V. Calafut et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: Detection of the Pairwise Kinematic Sunyaev-Zel’dovich Effect with SDSS DR15 Galaxies”, Phys. Rev. D (2021), DOI, arXiv:2101.08374

  30. S. Naess et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: Detection of mm-wave transient sources”, ApJ (2020), DOI, arXiv:2012.14347

  31. E. M. Vavagiakis et al. (including N. F. Cothard) “The Simons Observatory: Magnetic Sensitivity Measurements of Microwave SQUID Multiplexers”, ASC IEEE Proceedings (2020), DOI, arXiv:2012.04532

  32. Y. Li et al. (including N. F. Cothard) “In situ Performance of the Low Frequency Array for AdvACT”, IEEE Transactions on Applied Superconductivity (2021), DOI, arXiv:2101.02658

  33. J. E. Gudmundsson, P. A. Gallardo, R. Puddu, S. R. Dicker, et al. (including N. F. Cothard) “The Simons Observatory: Modeling Optical Systematics in the Large Aperture Telescope”, Applied Optics (2021), DOI, arXiv:2009.10138

  34. C. J. Duell, et al. (including N. F. Cothard) “CCAT-prime: Designs and status of the first light 280 GHz MKID array and mod-cam receiver”, Proc. SPIE (2020), DOI, arXiv:2012.10411

  35. E. Healy, et al. (including N. F. Cothard) “Assembly development for the Simons Observatory focal plane readout module”, Proc. SPIE (2020), DOI, arXiv:2204.05869

  36. J. Seibert, et al. (including N. F. Cothard) “Development of an optical detector testbed for the Simons Observatory”, Proc. SPIE (2020), DOI

  37. K. Harrington, et al. (including N. F. Cothard) “The integration and testing program for the Simons Observatory Large Aperture Telescope optics tubes”, Proc. SPIE (2020), DOI, arXiv:2102.02129

  38. Z. Xu et al. (including N. F. Cothard) “The Simons Observatory: the Large Aperture Telescope Receiver (LATR) integration and validation results”, Proc. SPIE (2020), DOI, arXiv:2012.07862

  39. S. Choi et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: A Measurement of the Cosmic Microwave Background Power Spectra at 98 and 150 GHz”, JCAP (2020), DOI, arXiv:2007.07289

  40. S. Aiola et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: DR4 Maps and Cosmological Parameters”, JCAP (2020), DOI, arXiv:2007.07288

  41. S. Naess et al. (including N. F. Cothard) “The Atacama Cosmology Telescope: arcminute-resolution maps of 18,000 square degrees of the microwave sky from ACT 2008-2018 data combined with Planck”, JCAP (2020), DOI, arXiv:2007.07290

  42. P. A. Gallardo, M. D. Niemack, et al. (including N. F. Cothard) “Characterization of aliased noise in the Advanced ACTPol receiver”, Journal of Low Temperature Physics (2020), DOI, arXiv:1912.02902

  43. S. Choi et al. (including N. F. Cothard) “Sensitivity of the Prime-Cam Instrument on the CCAT-prime Telescope”, Journal of Low Temperature Physics (2019), DOI, arXiv:1908.10451

  44. Y. Li et al. (including N. F. Cothard) “Assembly and Integration Process of the High-Density Detector Array Readout Modules for the Simons Observatory”, Journal of Low Temperature Physics (2020), DOI, arXiv:2101.02658

  45. A. Suzuki et al. (including N. F. Cothard) “Commercially Fabricated Antenna-Coupled Transition Edge Sensor Bolometer Detectors for Next-Generation Cosmic Microwave Background Polarimetry Experiment”, Journal of Low Temperature Physics (2020), DOI, arXiv:1912.12782

  46. The CCAT-prime Collaboration (including N. F. Cothard) “The CCAT-Prime Submillimeter Observatory” Astro2020 Decadal Project Whitepaper (2019), arXiv:1909.02587

  47. The Simons Observatory Collaboration (including N. F. Cothard) “The Simons Observatory: Astro2020 Decadal Project Whitepaper” Astro2020 Decadal Project Whitepaper (2019), arXiv:1907.08284

  48. The Simons Observatory Collaboration (including N. F. Cothard) “The Simons Observatory: science goals and forecasts” Journal of Cosmology and Astroparticle Physics (2019), DOI, arXiv:1808.07445

  49. R. Puddu, N. F. Cothard, P.A. Gallardo, R. Dünner, P. Fluxá, “Sidelobe analysis for the Atacama Cosmology Telescope: a novel method for importing models in GRASP” (2019), arXiv:1903.04689

  50. E. M. Vavagiakis et al. (including N. F. Cothard) “Magnetic Sensitivity of AlMn TESes and Shielding Considerations for Next-Generation CMB Surveys” Journal of Low Temperature Physics (2018), DOI, arXiv:1710.08456

  51. P. A. Gallardo et al. (including N. F. Cothard) “Studies of Systematic Uncertainties for Simons Observatory: Optical Effects and Sensitivity Considerations” Proc. SPIE (2018), DOI, arXiv:1808.05152

  52. S. M. Simon et al. (including N. F. Cothard) “The Advanced ACTPol 27/39 GHz Array”, Journal of Low Temperature Physics (2018), DOI

  53. Y. Li et al. (including N. F. Cothard) “Performance of the advanced ACTPol low frequency array” Proc. SPIE (2018), DOI

  54. E. M. Vavagiakis et al. (including N. F. Cothard) “Prime-Cam: A first-light instrument for the CCAT-prime telescope” Proc. SPIE (2018), DOI, arXiv:1807.00058

  55. G. J. Stacey et al. (including N. F. Cothard) “CCAT-prime: Science with an Ultra-widefield Submillimeter Observatory at Cerro Chajnantor” Proc. SPIE (2018), DOI, arXiv:1807.04354

  56. S. C. Parshley et al. (including N. F. Cothard) “CCAT-prime: a novel telescope for submillimeter astronomy” Proc. SPIE (2018), DOI, arXiv:1807.06675

  57. S. P. Ho et al. (including N. F. Cothard) “Highly uniform 150 mm diameter multichroic polarimeter array deployed for CMB detection”, Proc. SPIE (2017), DOI

  58. S. W. Henderson, J. R. Stevens, et al. (including N. F. Cothard) “Readout of two-kilopixel transition-edge sensor arrays for Advanced ACTPol”, Proc. SPIE (2016), DOI, arXiv:1607.06064