Dr. Karin M. Sandstrom Profile

Dr. Karin M. Sandstrom

Assistant Professor at Univ of California San Diego

SPIE Involvement:

Author

Publications (9)

Proceedings Article | 31 July 2024 Presentation + Paper

Liger at W.M. Keck Observatory: overall design and science drivers

Shelley Wright, Tucker Jones, James Larkin, Renate Kupke, Marc Kassis, Aaron Brown, David Andersen, Lee Armus, Bryson Cale, Maren Cosens, Devin Chu, Tuan Do, Chris Fassnacht, Deanne Fisher, Michael Fitzgerald, Andrea Ghez, Jenny Greene, Takeru Hayashi, Aurélien Hees, Jessie Hirtenstein, Chris Johnson, Jacqueline Keane, Patrick Kelly, Evan Kirby, Theodara Karalidi, Quinn Konopacky, Evan Kress, Jessica Lu, Jim Lyke, Kenneth Magnone, Jérôme Maire, Rosalie McGurk, Anne Medling, Maxwell Millar-Blanchaer, Quinn Minor, Reston Nash, Anna Nierenberg, Naveen Reddy, Michael Rich, Jean-Baptiste Ruffio, Nils-Erik Rundquist, Sanchit Sabhlok, David Sand, Ryan Sanders, Karin Sandstrom, Alice Shapley, Ji-Man Sohn, Arun Surya, Tommaso Treu, Eric Wang, Kanaka Warad, Robert Weber, James Wiley, Peter Wizinowich, Michael Wong, Sherry Yeh

Proceedings Volume 13096, 130960G (2024) https://doi.org/10.1117/12.3020803

KEYWORDS: Iterated function systems, Adaptive optics, Imaging systems, Design, Spectrographs, Sensors, Equipment, Infrared Imaging Spectrograph, Galactic astronomy, Spectral resolution

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SPIE Journal Paper | 13 March 2021 Open Access

Origins Space Telescope: trades and decisions leading to the baseline mission concept

David Leisawitz, Edward Amatucci, Lynn Allen, Jonathan Arenberg, Lee Armus, Cara Battersby, James Bauer, Ray Bell, Dominic Benford, Edwin Bergin, Jeffrey Booth, Charles Bradford, Damon Bradley, Sean Carey, Ruth Carter, Asantha Cooray, James Corsetti, Larry Dewell, Michael DiPirro, Bret Drake, Matthew East, Kimberly Ennico, Greg Feller, Angel Flores, Jonathan Fortney, Zachary Granger, Thomas Greene, Joseph Howard, Tiffany Kataria, John Knight, Charles Lawrence, Paul Lightsey, John Mather, Margaret Meixner, Gary Melnick, Craig McMurtry, Stefanie Milam, Samuel Moseley, Desika Narayanan, Alison Nordt, Deborah Padgett, Klaus Pontoppidan, Alexandra Pope, Gerard Rafanelli, David Redding, George Rieke, Thomas Roellig, Itsuki Sakon, Carly Sandin, Karin Sandstrom, Anita Sengupta, Kartik Sheth, Lawrence Sokolsky, Johannes Staguhn, John Steeves, Kevin Stevenson, Kate Su, Joaquin Vieira, Cassandra Webster, Martina Wiedner, Edward Wright, Chi Wu, David Yanatsis, Jonas Zmuidzinas, the Origins Space Telescope Mission Concept Study Team

JATIS, Vol. 7, Issue 01, 011014, (March 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.7.1.011014

KEYWORDS: Space telescopes, Telescopes, James Webb Space Telescope, Mirrors, Optical instrument design, Astronomy, Space operations, Cryogenics, Aerospace engineering, Cryocoolers

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SPIE Journal Paper | 27 February 2021 Open Access

Origins Space Telescope science drivers to design traceability

Margaret Meixner, Asantha Cooray, David Leisawitz, Johannes Staguhn, Lee Armus, Cara Battersby, James Bauer, Dominic Benford, Edwin Bergin, Charles Matt Bradford, Denis Burgarella, Sean Carey, Elvire De Beck, Kimberly Ennico-Smith, Jonathan Fortney, Maryvonne Gerin, Frank Helmich, Tiffany Kataria, Eric Mamajek, Gary Melnick, Stefanie Milam, Samuel Harvey Moseley, Desika Narayanan, Susan Neff, Deborah Padgett, Klaus Pontoppidan, Alexandra Pope, Thomas Roellig, Itsuki Sakon, Karin Sandstrom, Douglas Scott, Kartik Sheth, Kevin Stevenson, Kate Su, Joaquin Vieira, Martina Wiedner, Edward Wright, Jonas Zmuidzinas, Origins Study Team

JATIS, Vol. 7, Issue 01, 011012, (February 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.7.1.011012

KEYWORDS: Planets, Galactic astronomy, Stars, Space telescopes, Optical instrument design, Exoplanets, Astronomy, Observatories, Planetary systems, Metals

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SPIE Journal Paper | 6 January 2021 Open Access

Origins Space Telescope: baseline mission concept

Edward Amatucci, Lynn Allen, Jonathan Arenberg, Lee Armus, Cara Battersby, James Bauer, Porfirio Beltran, Dominic Benford, Denis Burgarella, Ruth Carter, Danny Chi, Asantha Cooray, James Corsetti, Elvire De Beck, Larry Dewell, Michael DiPirro, Matthew East, Samantha Edgington, Kimberly Ennico, Louis Fantano, David Folta, Joseph Generie, Zachary Granger, Thomas Greene, Alex Griffiths, George Harpole, Frank Helmich, Joseph Howard, Tracee Jamison, Lisa Kaltenegger, Tiffany Kataria, Charles Lawrence, Margaret Meixner, Ted Mooney, Samuel Moseley, Susan Neff, Thanh Nguyen, Alison Nordt, Michael Petach, Susanna Petro, Alexandra Pope, Daniel Ramspacker, Alison Rao, Itsuki Sakon, Karin Sandstrom, Douglas Scott, Lenward Seals, Kartik Sheth, Steven Tompkins, Cassandra Webster, Martina Wiedner, Edward Wright, Chi Wu, Jonas Zmuidzinas, David Leisawitz, Bob Beaman, Raymond Bell, Edward Bergin, Jeffrey Bolognese, Charles Bradford, Damon Bradley, Sean Carey, Tom D'Asto, Kevin Denis, Christopher Derkacz, C. Paul Earle, Gregory Feller, Jonathan Fortney, Benjamin Gavares, Maryvonne Gerin, Keith Harvey, Lawrence Hilliard, Michael Jacoby, Anisa Jamil, J. Scott Knight, Perry Knollenberg, Paul Lightsey, Sarah Lipscy, Eric Mamajek, Gregory Martins, John Mather, Gary Melnick, Stefanie Milam, Desika Narayanan, Jeffrey Olson, Deborah Padgett, John Pohner, Klaus Pontoppidan, Thomas Roellig, Carly Sandin, Larry Sokolsky, Johannes Staguhn, John Steeves, Kevin Stevenson, Eric Stoneking, Kate Su, Kiarash Tajdaran, Joaquin Vieira

JATIS, Vol. 7, Issue 01, 011002, (January 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.7.1.011002

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Proceedings Article | 9 September 2019 Open Access

The Origins Space Telescope

D. Leisawitz, E. Amatucci, L. Allen, J. Arenberg, L. Armus, C. Battersby, B. Beaman, J. Bauer, R. Bell, P. Beltran, D. Benford, E. Bergin, J. Bolognese, C. Bradford, D. Bradley, D. Burgarella, S. Carey, R. Carter, J. Chi, A. Cooray, J. Corsetti, T. D'Asto, E. De Beck, K. Denis, C. Derkacz, L. Dewell, M. DiPirro, C. P. Earle, M. East, S. Edgington, K. Ennico, L. Fantano, G. Feller, A. Flores, D. Folta, J. Fortney, B. Gavares, J. Generie, M. Gerin, Z. Granger, T. Greene, A. Griffiths, G. Harpole, K. Harvey, F. Helmich, G. Helou, L. Hilliard, J. Howard, M. Jacoby, A. Jamil, T. Jamison, L. Kaltenegger, T. Kataria, J. S. Knight, P. Knollenberg, C. Lawrence, P. Lightsey, S. Lipscy, C. Lynch, E. Mamajek, G. Martins, J. Mather, M. Meixner, G. Melnick, S. Milam, T. Mooney, S. Moseley, D. Narayanan, S. Neff, T. Nguyen, A. Nordt, J. Olson, D. Padgett, M. Petach, S. Petro, J. Pohner, K. Pontoppidan, A. Pope, D. Ramspacher, A. Rao, G. Rieke, M. Rieke, T. Roellig, I. Sakon, C. Sandin, K. Sandstrom, D. Scott, L. Seals, K. Sheth, J. Staguhn, J. Steeves, K. Stevenson, L. Stokowski, E. Stoneking, K. Su, K. Tajdaran, S. Tompkins, J. Turner, J. Vieira, C. Webster, M. Wiedner, E. Wright, C. Wu, J. Zmuidzinas

Proceedings Volume 11115, 111150Q (2019) https://doi.org/10.1117/12.2530514

KEYWORDS: Galactic astronomy, Planets, Stars, Telescopes, Astronomy, James Webb Space Telescope, Sensors, Space telescopes, Exoplanets, Observatories

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Proceedings Article | 24 July 2018 Presentation + Paper

The Origins Space Telescope: mission concept overview

D. Leisawitz, E. Amatucci, R. Carter, M. DiPirro, A. Flores, J. Staguhn, C. Wu, L. Allen, J. Arenberg, L. Armus, C. Battersby, J. Bauer, R. Bell, P. Beltran, D. Benford, E. Bergin, C. Bradford, D. Bradley, D. Burgarella, S. Carey, D. Chi, A. Cooray, J. Corsetti, E. De Beck, K. Denis, L. Dewell, M. East, S. Edgington, K. Ennico, L. Fantano, G. Feller, D. Folta, J. Fortney, J. Generie, M. Gerin, Z. Granger, G. Harpole, K. Harvey, F. Helmich, L. Hilliard, J. Howard, M. Jacoby, A. Jamil, T. Kataria, S. Knight, P. Knollenberg, P. Lightsey, S. Lipscy, E. Mamajek, G. Martins, M. Meixner, G. Melnick, S. Milam, T. Mooney, S. Moseley, D. Narayanan, S. Neff, T. Nguyen, A. Nordt, J. Olson, D. Padgett, M. Petach, S. Petro, J. Pohner, K. Pontoppidan, A. Pope, D. Ramspacher, T. Roellig, I. Sakon, C. Sandin, K. Sandstrom, D. Scott, K. Sheth, J. Steeves, K. Stevenson, L. Stokowski, E. Stoneking, K. Su, K. Tajdaran, S. Tompkins, J. Vieira, C. Webster, M. Wiedner, E. Wright, J. Zmuidzinas

Proceedings Volume 10698, 1069815 (2018) https://doi.org/10.1117/12.2313823

KEYWORDS: Space telescopes, Telescopes, Spectroscopy, Sensors, Mirrors, Astrophysics, Astronomy, James Webb Space Telescope, Aerospace engineering, Cryocoolers

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Proceedings Article | 24 July 2018 Presentation + Paper

Overview of the Origins Space telescope: science drivers to observatory requirements

Margaret Meixner, Lee Armus, Cara Battersby, James Bauer, Edwin Bergin, Asantha Cooray, Jonathan Fortney, Tiffany Kataria, David Leisawitz, Stefanie Milam, Klaus Pontoppidan, Alexandra Pope, Karin Sandstrom, Johannes Staguhn, Kevin Stevenson, Kate Su, Charles Matt Bradford, Dominic Benford, Denis Burgarella, Sean Carey, Ruth Carter, Elvire De Beck, Michael Dipirro, Kimberly Ennico-Smith, Maryvonne Gerin, Frank Helmich, Lisa Kaltenegger, Eric. Mamajek, Gary Melnick, Samuel Harvey Moseley, Desika Narayanan, Susan Neff, Deborah Padgett, Thomas Roellig, Itsuki Sakon, Douglas Scott, Kartik Sheth, Joaquin Vieira, Martina Wiedner, Edward Wright, Jonas Zmuidzinas

Proceedings Volume 10698, 106980N (2018) https://doi.org/10.1117/12.2312255

KEYWORDS: Spectroscopy, Space telescopes, Stars, James Webb Space Telescope, Galactic astronomy, Observatories, Astronomy, Exoplanets, Telescopes, Sensors

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Proceedings Article | 6 July 2018 Presentation + Paper

SPHEREx: an all-sky NIR spectral survey

Phillip Korngut, James Bock, Rachel Akeson, Matthew Ashby, Lindsey Bleem, Justin Boland, Douglas Bolton, Samuel Bradford, David Braun, Sean Bryan, Peter Capak, Tzu-Ching Chang, Andrew Coffey, Asantha Cooray, Brendan Crill, Olivier Doré, Tim Eifler, Chang Feng, Salman Habib, Katrin Heitmann, Shoubaneh Hemmati, Christopher Hirata, Woong-Seob Jeong, Minjin Kim, Davy Kirkpatrick, Theresa Kowalkowski, Elisabeth Krause, Carey Lisse, Philip Mauskopf, Daniel Masters, James McGuire, Gary Melnick, Hein Nguyen, Hooshang Nayyeri, Karin Oberg, Roland dePutter, William Purcell, Jennifer Rocca, Marcus Runyan, Karin Sandstrom, Roger Smith, Yong-Seon Song, Nathaniel Stickley, Jeremy Stober, Sara Susca, Harry Teplitz, Volker Tolls, Stephen Unwin, Michael Werner, Rogier Windhorst, Michael Zemcov

Proceedings Volume 10698, 106981U (2018) https://doi.org/10.1117/12.2312860

KEYWORDS: Staring arrays, Prototyping, Sensors, Space operations, Space telescopes, Telescopes, Galactic astronomy, Mirrors, Near infrared, Astronomy

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SPHEREx, a mission in NASA’s Medium Explorer (MIDEX) program recently selected for Phase-A implementation, is an all-sky survey satellite that will produce a near-infrared spectrum for every 6 arcsecond pixel on the sky. SPHEREx has a simple, high-heritage design with large optical throughput to maximize spectral mapping speed. While the legacy data products will provide a rich archive of spectra for the entire astronomical community to mine, the instrument is optimized for three specific scientific goals: to probe inflation through the imprint primordial non-Gaussianity left on today’s large-scale cosmological structure; to survey the Galactic plane for water and other biogenic ices through absorption line studies; and to constrain the history of galaxy formation through power spectra of background fluctuations as measured in deep regions near the ecliptic poles. The aluminum telescope consists of a heavily baffled, wide-field off-axis reflective triplet design. The focal plane is imaged simultaneously by two mosaics of H2RG detector arrays separated by a dichroic beamsplitter. SPHEREx assembles spectra through the use of mass and volume efficient linear variable filters (LVFs) included in the focal plane assemblies, eliminating the need for any dispersive or moving elements. Instead, spectra are constructed through a series of small steps in the spacecraft attitude across the sky, modulating the location of an object within the FOV and varying the observation wavelength in each exposure. The spectra will cover the wavelength range between 0.75 and 5.0 µm at spectral resolutions ranging between R=35 and R=130. The entire telescope is cooled passively by a series of three V-groove radiators below 80K. An additional stage of radiative cooling is included to reduce the long wavelength focal plane temperature below 60K, controlling the dark current. As a whole, SPHEREx requires no new technologies and carries large technical and resource margins on every aspect of the design.

Proceedings Article | 29 July 2016 Paper

The Far-Infrared Surveyor Mission study: paper I, the genesis

M. Meixner, A Cooray, R. Carter, M. DiPirro, A. Flores, D. Leisawitz, L. Armus, C. Battersby, E. Bergin, C. Bradford, K Ennico, G. Melnick, S. Milam, D. Narayanan, K. Pontoppidan, A. Pope, T. Roellig, K. Sandstrom, K. Su, J. Vieira, E. Wright, J. Zmuidzinas, S. Alato, S. Carey, M. Gerin, F. Helmich, K. Menten, D. Scott, I. Sakon, R. Vavrek

Proceedings Volume 9904, 99040K (2016) https://doi.org/10.1117/12.2240456

KEYWORDS: Galactic astronomy, Space telescopes, Stars, Hydrogen, Telescopes, Solar system, Astronomy, Infrared telescopes, Spectroscopy, James Webb Space Telescope

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