CINXE.COM

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itemtype="http://data-vocabulary.org/Breadcrumb"> <span itemprop="title"><a href="/" class="easy-breadcrumb_segment easy-breadcrumb_segment-front">Home</a></span> <span class="easy-breadcrumb_segment-separator">»</span> <span class="easy-breadcrumb_segment easy-breadcrumb_segment-title" itemprop="title">Multimodal Advanced Radiography Station</span> </div> </div> </div> </div> </div> </div> </div> <div id="content-wrapper"> <div class="container"> <div id="columns"> <div class="columns-inner clearfix"> <div id="content-column" role="main"> <div class="content-inner"> <div id="main-content"> <div id="content"> <div class="region region-content"> <div class="panel-pane pane-views-panes pane-instrument-header-panel-pane-8 instrument-header no-title block" > <div class="pane-inner clearfix"> <div class="pane-content"> <div class="view view-instrument-header view-id-instrument_header view-display-id-panel_pane_8 view-dom-id-9b4bbcdd44ec85d986b9a2577b833a5c"> <div class="view-content"> <div class="views-row views-row-1"> <div class="views-field views-field-field-facility-acronym"> <div class="field-content"><h2>Multimodal Advanced Radiography Station</h2> <h2 class="small75">MARS |  CG-1D | HFIR</h2></div> </div> </div> </div> </div> </div> </div> </div> <div class="panel-separator"></div><div class="panel-pane pane-views-panes pane-instrument-header-panel-pane-9 instrument-header no-title block" > <div class="pane-inner clearfix"> <div class="pane-content"> <div class="view view-instrument-header view-id-instrument_header view-display-id-panel_pane_9 view-dom-id-bfaf2cb36f3bc17edd5ba6a644d2d554"> <div class="view-content"> <div class="views-row views-row-1"> <div class="views-field views-field-field-instrument-image"> <div class="field-content"><div class="nav-links"><ul id="instrumentNav"> <li><a href="/mars">Overview</a></li> <li><a href="/mars/team">Team</a></li> <li><a href="/mars/videos">Videos</a></li> <li><a href="/mars/publications">Publications</a></li> <li><a href="/sites/default/files/MARS_Spec_Sheet.pdf">Spec Sheet</a></li>  <li><a href="/mars/contact-mars-instrument-team">Contact Us</a></li> </ul> </div> <div class="image"><img class="image-style-page-width-1240w" src="https://neutrons.ornl.gov/sites/default/files/styles/page_width_1240w/public/CG-1D-users.png?itok=8uEmSXeF" width="1440" height="600" alt="Users at CG-1D" title="Users at CG-1D" /></div></div> </div> </div> </div> </div> </div> </div> </div> <div class="panel-separator"></div><section class="panel-pane pane-entity-field pane-node-field-instrument-mission block" > <div class="pane-inner clearfix"> <h2 class="pane-title block-title">Mission Statement</h2> <div class="pane-content"> <div class="field field-name-field-instrument-mission field-type-text-with-summary field-label-hidden view-mode-_custom_display"><div class="field-items"><div class="field-item even"><p>The Multimodal Advanced Radiography Station (MARS), HFIR beamline CG-1D, provides radiography and computed tomography imaging capabilities for applications in additive manufacturing, materials science, geoscience, biology, energy, and transportation.</p> </div></div></div> </div> </div> </section> <div class="panel-separator"></div><section class="panel-pane pane-entity-field pane-node-body block" > <div class="pane-inner clearfix"> <h2 class="pane-title block-title">Instrument Description</h2> <div class="pane-content"> <div class="field field-name-body field-type-text-with-summary field-label-hidden view-mode-_custom_display"><div class="field-items"><div class="field-item even"><p>MARS uses a polychromatic neutron beam in the cold range for neutron imaging measurements. Apertures (with different diameters D, pinhole geometry) are used at the entrance of the helium-filled flight tube to allow variations of the figure of merit L/D, where L is the distance between the aperture and the detector where the image is produced. L/D can vary from 400 to 2000. Samples sit on a translation/rotation stage for alignment and tomography purposes. Its maximum field of view is 86 mm x 86 mm. 6LiF/ZnS scintillators varying from 50–200 µm are available. Work on MARS supports the development of the future VENUS instrument at the Spallation Neutron Source, which will be dedicated to neutron imaging with an emphasis on time-of-flight contrast imaging. More information about VENUS is available <a href="/venus">here</a>.</p> </div></div></div> </div> </div> </section> <div class="panel-separator"></div><section class="panel-pane pane-entity-field pane-node-field-instrument-applications block" > <div class="pane-inner clearfix"> <h2 class="pane-title block-title">Applications</h2> <div class="pane-content"> <div class="field field-name-field-instrument-applications field-type-text-with-summary field-label-hidden view-mode-_custom_display"><div class="field-items"><div class="field-item even"><p><strong>Additive Manufacturing</strong><br>    - Porosity; internal structure; quantitative comparative analysis of neutron-computed tomography data with engineering drawings<br> <br> <strong>Energy Storage<br>    - </strong>Ion transport in energy storage materials; three-dimensional mapping of ions in electrodes</p> <p><strong>Nuclear Materials</strong><br>    - Molten salt diffusion at high temperatures, inhomogeneities in nuclear fuel material</p> <p><strong>Transportation Technologies</strong><br>    - Particulate deposition in vehicle parts; two-phase transport in heat pipes; multiphase constrained jet flows; metal casting; reservoir flow, creation, and production</p> <p><strong>Plant Systems Biology</strong><br>    - Partitioning, transport, and fate of carbon fixed by plants; carbon biosequestration; modeling impacts of rising CO<sub>2</sub> levels; modified bioenergy feedstock plants; cavitation and gas embolism in plants</p> <p><strong>Plant-Soil-Groundwater Systems</strong><br>    - Transport and interactions of fluids in porous media; water infiltration and aquifer recharge; plant-plant and plant-fungal interactions; change in pore structure and voids after repeated thawing and freezing of permafrost soil</p> <p><strong>Biological and Forensic Studies</strong><br>    - Structural, contrast agent, cancer research, wood and biomass pyrolysis</p> <p><strong>Food Science and Archeology</strong><br>    - Water migration and degradation through time; examination of cultural artifacts</p> </div></div></div> </div> </div> </section> <div class="panel-separator"></div><div class="panel-pane pane-panels-mini pane-instrument-spec-contact no-title block" > <div class="pane-inner clearfix"> <div class="pane-content"> <div class="panel-flexible panels-flexible-85 clearfix" id="mini-panel-instrument_spec_contact"> <div class="panel-flexible-inside panels-flexible-85-inside"> <div class="panels-flexible-region panels-flexible-region-85-center panels-flexible-region-first"> <div class="inside panels-flexible-region-inside panels-flexible-region-85-center-inside panels-flexible-region-inside-first"> <section class="panel-pane pane-entity-field pane-node-field-instrument-specifications striped block" > <div class="pane-inner clearfix"> <h2 class="pane-title block-title">Specifications</h2> <div class="pane-content"> <div class="field field-name-field-instrument-specifications field-type-text-with-summary field-label-hidden view-mode-_custom_display"><div class="field-items"><div class="field-item even"><table> <tbody> <tr> <td>Wavelength</td> <td>0.8 < λ < 6 Å</td> </tr> <tr> <td>Highest spatial resolution</td> <td>CCD: ~ 75 µm (FOV: 8.6 x 8.6 cm<sup>2</sup>)<br> sCMOS ~ 25 µm (FOV: ~ 3.6 x 2.4 cm<sup>2</sup>)</td> </tr> <tr> <td>L/D</td> <td>400-2000</td> </tr> <tr> <td>Detector</td> <td> <p style="margin:0in"><span style="font-size:12pt"><span style="font-family:Calibri, sans-serif"><span style="font-size:11pt"><span style="font-family:Arial, sans-serif">CCD and sCMOS; coupled with scintillators (various thickness</span></span></span></span></p> <span style="font-size:11pt"><span style="font-family:Arial, sans-serif">from 25-200 µm)</span></span></td> </tr> <tr> <td>Detector max. frame rate</td> <td> <p style="margin:0in"><span style="font-size:12pt"><span style="font-family:Calibri, sans-serif"><span style="font-size:11pt"><span style="font-family:Arial, sans-serif">CCD: 1 fps<br> sCMOS:  49 fps, 16-bit, global shutter</span></span></span></span></p> <p style="margin:0in"><span style="font-size:12pt"><span style="font-family:Calibri, sans-serif"><span style="font-size:11pt"><span style="font-family:Arial, sans-serif">               75 fps, 16-bit, rolling shutter</span></span></span></span></p> <p style="margin:0in"><span style="font-size:12pt"><span style="font-family:Calibri, sans-serif"><span style="font-size:11pt"><span style="font-family:Arial, sans-serif">               100 fps, 12-bit, rolling shutter</span></span></span></span></p> </td> </tr> </tbody> </table> </div></div></div> </div> </div> </section> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> <div id="post-content-wrapper"> <div class="container clearfix"> <div class="region region-post-content"> <section class="panel-pane pane-views-panes pane-instrument-team-panel-pane-1 instruments-team front-instruments block" > <div class="pane-inner clearfix"> <h2 class="pane-title block-title">Contacts</h2> <div class="pane-content"> <div class="view view-instrument-team view-id-instrument_team view-display-id-panel_pane_1 view-dom-id-4cb8683b0d7e252e674595460c5f3eae"> <div class="view-content"> <div class="views-fluid-grid"> <ul class="views-fluid-grid-list views-fluid-grid-items-width-250 views-fluid-grid-items-height-150 views-fluid-grid-items-h-margin-0-8em views-fluid-grid-items-v-margin-0-8em"> <li class="views-fluid-grid-inline views-fluid-grid-item views-row views-row-1 views-row-odd views-row-first"> <div class="views-field views-field-field-person-image"> <div class="field-content img-inst-scientist"><a href="/contacts/yuxuan-zhang"><img class="image-style-thumbnail--100x150-" src="https://neutrons.ornl.gov/sites/default/files/styles/thumbnail__100x150_/public/profile_image.jpg?itok=x6zyCmlQ" width="100" height="150" alt="Yuxuan Zhang" title="Yuxuan Zhang" /></a></div> </div> <div class="views-field views-field-field-instrument-team"> <div class="field-content"><a href="/contacts/yuxuan-zhang">Yuxuan Zhang</a></div> </div> <div class="views-field views-field-field-person-job-title"> <p class="field-content">Instrument Scientist</p> </div></li> <li class="views-fluid-grid-inline views-fluid-grid-item views-row views-row-2 views-row-even"> <div class="views-field views-field-field-person-image"> <div class="field-content img-inst-scientist"><a href="/contacts/bilheuxhn"><img class="image-style-thumbnail--100x150-" src="https://neutrons.ornl.gov/sites/default/files/styles/thumbnail__100x150_/public/2019-P16218-2.jpg?itok=6z0WhnKB" width="100" height="150" alt="Dr. Hassina Z. Bilheux" title="Dr. Hassina Z. Bilheux" /></a></div> </div> <div class="views-field views-field-field-instrument-team"> <div class="field-content"><a href="/contacts/bilheuxhn">Hassina Bilheux</a></div> </div> <div class="views-field views-field-field-person-job-title"> <p class="field-content">Instrument Scientist</p> </div></li> <li class="views-fluid-grid-inline views-fluid-grid-item views-row views-row-3 views-row-odd"> <div class="views-field views-field-field-person-image"> <div class="field-content img-inst-scientist"><a href="/contacts/james-torres"><img class="image-style-thumbnail--100x150-" src="https://neutrons.ornl.gov/sites/default/files/styles/thumbnail__100x150_/public/Personal_1.jpg?itok=f366smvS" width="100" height="150" alt="James R Torres" title="James R Torres" /></a></div> </div> <div class="views-field views-field-field-instrument-team"> <div class="field-content"><a href="/contacts/james-torres">James Torres</a></div> </div> <div class="views-field views-field-field-person-job-title"> <p class="field-content">Instrument Scientist</p> </div></li> <li class="views-fluid-grid-inline views-fluid-grid-item views-row views-row-4 views-row-even views-row-last"> <div class="views-field views-field-field-person-image"> <div class="field-content img-inst-scientist"><a href="/contacts/roger-hobbs"><img class="image-style-thumbnail--100x150-" src="https://neutrons.ornl.gov/sites/default/files/styles/thumbnail__100x150_/public/R_Hobbs.jpeg?itok=IqEOcXzM" width="100" height="150" alt="Roger Hobbs" /></a></div> </div> <div class="views-field views-field-field-instrument-team"> <div class="field-content"><a href="/contacts/roger-hobbs">Roger Hobbs</a></div> </div> <div class="views-field views-field-field-person-job-title"> <p class="field-content">Scientific Associate</p> </div></li> </ul> </div> </div> </div> </div> </div> </section> </div> </div> </div> <div id="pre-tertiary-content-wrapper"> <div class="container clearfix"> <div class="region region-pre-tertiary-content"> <section class="panel-pane pane-views-panes pane-articles-by-instrument-panel-pane-10 front-articles block" > <div class="pane-inner clearfix"> <h2 class="pane-title block-title">Related Highlights</h2> <div class="pane-content"> <div class="view view-articles-by-instrument view-id-articles_by_instrument view-display-id-panel_pane_10 view-dom-id-2979e258facd0c5ee1d48fcf9ec92c5c"> <div class="view-content"> <div class="views-fluid-grid"> <ul class="views-fluid-grid-list views-fluid-grid-items-width-250 views-fluid-grid-items-height-250 views-fluid-grid-items-h-margin-1em views-fluid-grid-items-v-margin-1em"> <li class="views-fluid-grid-inline views-fluid-grid-item views-row views-row-1 views-row-odd views-row-first"> <div class="views-field views-field-field-image"> <div class="field-content"><a href="/content/fluoride-salt-flinak-intrusion-nuclear-grade-graphite"><img class="image-style-thirds-360x240" src="https://neutrons.ornl.gov/sites/default/files/styles/thirds_360x240/public/Flouride-Salt.jpg?itok=ZXrSkfKZ" width="360" height="240" alt="" /></a></div> </div> <div class="views-field views-field-title"> <span class="field-content">Fluoride Salt (FLiNaK) Intrusion in Nuclear-grade Graphite</span> </div></li> <li class="views-fluid-grid-inline views-fluid-grid-item views-row views-row-2 views-row-even"> <div class="views-field views-field-field-image"> <div class="field-content"><a href="/content/residual-stress-development-additively-manufactured-compositionally-graded-superalloy"><img class="image-style-thirds-360x240" src="https://neutrons.ornl.gov/sites/default/files/styles/thirds_360x240/public/ResidualStress.png?itok=NDLTAPYd" width="360" height="240" alt="Residual Stress Development in Additively Manufactured Compositionally Graded Superalloy" title="Residual Stress Development in Additively Manufactured Compositionally Graded Superalloy" /></a></div> </div> <div class="views-field views-field-title"> <span class="field-content">Residual Stress Development in Additively Manufactured Compositionally Graded Superalloy</span> </div></li> <li class="views-fluid-grid-inline views-fluid-grid-item views-row views-row-3 views-row-odd"> <div class="views-field views-field-field-image"> <div class="field-content"><a href="/content/neutrons-prove-%E2%80%98bond-villain%E2%80%99-did-not-cause-arecibo-telescope-collapse"><img class="image-style-thirds-360x240" src="https://neutrons.ornl.gov/sites/default/files/styles/thirds_360x240/public/field/image/Arecibo%20Telescope%20650x1000%20Before%20with%20After%20inset.png?itok=EaM6U4qE" width="360" height="240" alt="The Arecibo telescope collapsed in December 2020. Credit: NAIC/NSF; (INSET) Michelle Negron/NSF" title="Twenty-five years after being "destroyed" in a James Bond movie, the Arecibo Telescope collapsed in real life. Credit: NAIC/NSF; (INSET) Michelle Negron/NSF" /></a></div> </div> <div class="views-field views-field-title"> <span class="field-content">Neutrons prove ‘Bond villain’ did not cause Arecibo telescope collapse </span> </div></li> <li class="views-fluid-grid-inline views-fluid-grid-item views-row views-row-4 views-row-even views-row-last"> <div class="views-field views-field-field-image"> <div class="field-content"><a href="/content/50-years-later-nasa%E2%80%99s-apollo-mission-moon-rocks-still-have-new-stories-tell-and-hidden"><img class="image-style-thirds-360x240" src="https://neutrons.ornl.gov/sites/default/files/styles/thirds_360x240/public/field/image/Needham%204%20crop.jpg?itok=n9CLQdjZ" width="360" height="240" alt="NASA scientist Andrew Needham used the MARS neutron imaging instrument at Oak Ridge National Laborat" title="NASA scientist Andrew Needham used the MARS neutron imaging instrument at Oak Ridge National Laboratory to study moon rock samples brought back from the Apollo missions. Credit: Jeremy Rumsey/ORNL, U.S. Dept. of Energy " /></a></div> </div> <div class="views-field views-field-title"> <span class="field-content">50 years later, NASA’s Apollo mission moon rocks still have new stories to tell and hidden secrets to finding water on the lunar wasteland </span> </div></li> </ul> </div> </div> <div class="view-footer"> <p class="read-more"><a href="/all-news">Read more ></a></p> </div> </div> </div> </div> </section> </div> </div> </div> <div id="tertiary-content-wrapper"> <div class="container clearfix"> <div class="region region-tertiary-content"> <div class="panel-pane pane-custom pane-6 no-title block" > <div class="pane-inner clearfix"> <div class="pane-content"> <div class="footer-mega"> <div class="menu-column"> <div class="btn-group-contact"> <ul> <li class="address" style="text-transform: uppercase; font-size: 1.17em; margin-top:0;">Contact Us</a> </div> <div class="address"> Neutron Sciences Directorate<br> One Bethel Valley Rd<br> Oak Ridge, TN 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