A small satellite version of a soft x-ray polarimeter
© 2020 SPIE We describe a new implementation of a broad-band soft X-ray polarimeter, substantially based on a previous design. This implementation, the Pioneer Soft X-ray Polarimeter (PiSoX) is a SmallSat, designed for NASA's call for Astrophysics Pioneers, small missions that could be CubeSats...
| Main Authors: | , , , , , , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
SPIE-Intl Soc Optical Eng
2022
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| Online Access: | https://hdl.handle.net/1721.1/141433 |
| _version_ | 1811068582087360512 |
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| author | Marshall, Herman L Heine, Sarah Garner, Alan Gullikson, Eric Guenther, Moritz Leitz, Christopher Masterson, Rebecca Miller, Eric Zhang, William Boissay Malaquin, Rozenn Caiazzo, Ilaria Chakrabarty, Deepto Davidson, Rosemary Gallo, Luigi Heilmann, Ralf K Heyl, Jeremy Kara, Erin Marscher, Alan Schulz, Norbert |
| author2 | MIT Kavli Institute for Astrophysics and Space Research |
| author_facet | MIT Kavli Institute for Astrophysics and Space Research Marshall, Herman L Heine, Sarah Garner, Alan Gullikson, Eric Guenther, Moritz Leitz, Christopher Masterson, Rebecca Miller, Eric Zhang, William Boissay Malaquin, Rozenn Caiazzo, Ilaria Chakrabarty, Deepto Davidson, Rosemary Gallo, Luigi Heilmann, Ralf K Heyl, Jeremy Kara, Erin Marscher, Alan Schulz, Norbert |
| author_sort | Marshall, Herman L |
| collection | MIT |
| description | © 2020 SPIE We describe a new implementation of a broad-band soft X-ray polarimeter, substantially based on a previous design. This implementation, the Pioneer Soft X-ray Polarimeter (PiSoX) is a SmallSat, designed for NASA's call for Astrophysics Pioneers, small missions that could be CubeSats, balloon experiments, or SmallSats. As in REDSoX, the grating arrangement is designed optimally for the purpose of polarimetry with broad-band focussing optics by matching the dispersion of the spectrometer channels to laterally graded multilayers (LGMLs). The system can achieve polarization modulation factors over 90%. For PiSoX, the optics are lightweight Si mirrors in a one-bounce parabolic configuration. High efficiency, blazed gratings from opposite sectors are oriented to disperse to a LGML forming a channel covering the wavelength range from 35 Å to 75 Å (165 - 350 eV). Upon satellite rotation, the intensities of the dispersed spectra, after reflection and polarizing by the LGMLs, give the three Stokes parameters needed to determine a source's linear polarization fraction and orientation. The design can be extended to higher energies as LGMLs are developed further. We describe examples of the potential scientific return from instruments based on this design. |
| first_indexed | 2024-09-23T07:58:03Z |
| format | Article |
| id | mit-1721.1/141433 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T07:58:03Z |
| publishDate | 2022 |
| publisher | SPIE-Intl Soc Optical Eng |
| record_format | dspace |
| spelling | mit-1721.1/1414332023-08-07T18:04:37Z A small satellite version of a soft x-ray polarimeter Marshall, Herman L Heine, Sarah Garner, Alan Gullikson, Eric Guenther, Moritz Leitz, Christopher Masterson, Rebecca Miller, Eric Zhang, William Boissay Malaquin, Rozenn Caiazzo, Ilaria Chakrabarty, Deepto Davidson, Rosemary Gallo, Luigi Heilmann, Ralf K Heyl, Jeremy Kara, Erin Marscher, Alan Schulz, Norbert MIT Kavli Institute for Astrophysics and Space Research © 2020 SPIE We describe a new implementation of a broad-band soft X-ray polarimeter, substantially based on a previous design. This implementation, the Pioneer Soft X-ray Polarimeter (PiSoX) is a SmallSat, designed for NASA's call for Astrophysics Pioneers, small missions that could be CubeSats, balloon experiments, or SmallSats. As in REDSoX, the grating arrangement is designed optimally for the purpose of polarimetry with broad-band focussing optics by matching the dispersion of the spectrometer channels to laterally graded multilayers (LGMLs). The system can achieve polarization modulation factors over 90%. For PiSoX, the optics are lightweight Si mirrors in a one-bounce parabolic configuration. High efficiency, blazed gratings from opposite sectors are oriented to disperse to a LGML forming a channel covering the wavelength range from 35 Å to 75 Å (165 - 350 eV). Upon satellite rotation, the intensities of the dispersed spectra, after reflection and polarizing by the LGMLs, give the three Stokes parameters needed to determine a source's linear polarization fraction and orientation. The design can be extended to higher energies as LGMLs are developed further. We describe examples of the potential scientific return from instruments based on this design. 2022-03-31T13:34:15Z 2022-03-31T13:34:15Z 2020 2022-03-31T13:14:03Z Article http://purl.org/eprint/type/ConferencePaper https://hdl.handle.net/1721.1/141433 Marshall, Herman L, Heine, Sarah, Garner, Alan, Gullikson, Eric, Guenther, Moritz et al. 2020. "A small satellite version of a soft x-ray polarimeter." Proceedings of SPIE - The International Society for Optical Engineering, 11444. en 10.1117/12.2562811 Proceedings of SPIE - The International Society for Optical Engineering Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf SPIE-Intl Soc Optical Eng SPIE |
| spellingShingle | Marshall, Herman L Heine, Sarah Garner, Alan Gullikson, Eric Guenther, Moritz Leitz, Christopher Masterson, Rebecca Miller, Eric Zhang, William Boissay Malaquin, Rozenn Caiazzo, Ilaria Chakrabarty, Deepto Davidson, Rosemary Gallo, Luigi Heilmann, Ralf K Heyl, Jeremy Kara, Erin Marscher, Alan Schulz, Norbert A small satellite version of a soft x-ray polarimeter |
| title | A small satellite version of a soft x-ray polarimeter |
| title_full | A small satellite version of a soft x-ray polarimeter |
| title_fullStr | A small satellite version of a soft x-ray polarimeter |
| title_full_unstemmed | A small satellite version of a soft x-ray polarimeter |
| title_short | A small satellite version of a soft x-ray polarimeter |
| title_sort | small satellite version of a soft x ray polarimeter |
| url | https://hdl.handle.net/1721.1/141433 |
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