Prof. Robert Lehmensiek Profile

Prof. Robert Lehmensiek

at EMSS Antennas

SPIE Involvement:

Author

Publications (6)

Proceedings Article | 23 August 2024 Presentation + Paper

The Black Hole Explorer: instrument system overview

Daniel Marrone, Janice Houston, Kazunori Akiyama, Bryan Bilyeu, Don Boroson, Paul Grimes, Kari Haworth, Robert Lehmensiek, Eliad Peretz, Hannah Rana, Laura Sinclair, Sridharan Tirupati Kumara, Ranjani Srinivasan, Edward Tong, Jade Wang, Jonathan Weintroub, Michael Johnson

Proceedings Volume 13092, 130922G (2024) https://doi.org/10.1117/12.3019589

KEYWORDS: Telescopes, Receivers, Design, Radio interferometry, Laser communications, Optical clocks

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Proceedings Article | 23 August 2024 Presentation + Paper

The Black Hole Explorer: astrophysics mission concept engineering study report

Eliad Peretz, Peter Kurczynski, Michael Johnson, Janice Houston, Tirupati Kumara Sridharan, Jade Wang, Peter Galison, Ronald Gamble, Daniel Marrone, Scott Noble, Gary Melnick, Leonid Petrov, Hannah Rana, Kari Haworth, Sheperd Doeleman, Sara Issaoun, Shahar Hadar, Alexandru Lupsasca, Edward Tong, Kazunori Akiyama, Ranjani Srinivasan, Dan Boroson, Guangning Yang, Tiffany Hoerbelt, Jeffrey Small, Mareki Honma, Bryan Bilyeu, Ed Canavan, Katia Shtyrkova, Robert Lafon, Lenny Paritsky, Laura Sinclair, Mark Silver, Leonid Gurvits, Yuri Kovalev, Robert Lehmensiek, Hua Jiao, Lindy Blackburn, Alexandra Brosius, Rick Butler, Andrew Chael, Dominic Chang, Koushik Chatterjee, Peter Cheimets, Daniel D'Orazio, Thomas Essinger-Hileman, Vincent Fish, Garret Fitzpatrick, Charles Gammie, Zachary Gelles, Michael Hecht, Jens Kauffmann, Jared Lucey, Chung-Pei Ma, Mark Matsumura, Daniel Palumbo, Dominic Pesce, Jeff Piepmeier, Christopher Roberts, Freek Roelofs, Paul Tiede, Jaye Verniero, Maciek Wielgus, Ed Wollack, George Wong, Kelsey Gilchrist, Kayla Carmical, Andrew Lewis, Maya Wertheim, Keshet Shavit

Proceedings Volume 13092, 130922F (2024) https://doi.org/10.1117/12.3019010

KEYWORDS: Antennas, Engineering, Telescopes, Laser frequency, Design, Oscillators, Optical clocks, Data transmission, Optical communications, Clocks

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Proceedings Article | 23 August 2024 Presentation + Paper

The Black Hole Explorer: motivation and vision

Michael Johnson, Kazunori Akiyama, Rebecca Baturin, Bryan Bilyeu, Lindy Blackburn, Don Boroson, Alejandro Cárdenas-Avendaño, Andrew Chael, Chi-kwan Chan, Dominic Chang, Peter Cheimets, Cathy Chou, Sheperd Doeleman, Joseph Farah, Peter Galison, Ronald Gamble, Charles Gammie, Zachary Gelles, José Gómez, Samuel Gralla, Paul Grimes, Leonid Gurvits, Shahar Hadar, Kari Haworth, Kazuhiro Hada, Michael Hecht, Mareki Honma, Janice Houston, Ben Hudson, Sara Issaoun, He Jia, Svetlana Jorstad, Jens Kauffman, Yuri Kovalev, Peter Kurczynski, Robert Lafon, Alexandru Lupsasca, Robert Lehmensiek, Chung-Pei Ma, Daniel Marrone, Alan Marscher, Gary Melnick, Ramesh Narayan, Kotaro Niinuma, Scott Noble, Eric Palmer, Daniel C. Palumbo, Lenny Paritsky, Eliad Peretz, Dominic Pesce, Alexander Plavin, Eliot Quataert, Hannah Rana, Angelo Ricarte, Freek Roelofs, Katia Shtyrkova, Laura Sinclair, Jeffrey Small, Sridharan Tirupati Kumara, Ranjani Srinivasan, Andrew Strominger, Paul Tiede, Edward Tong, Jade Wang, Jonathan Weintroub, Maciek Wielgus, George Wong

Proceedings Volume 13092, 130922D (2024) https://doi.org/10.1117/12.3019835

KEYWORDS: Telescopes, Galactic astronomy, Spatial resolution, Shadows

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Proceedings Article | 23 August 2024 Poster + Paper

The Black Hole Explorer (BHEX): preliminary antenna design

T. Sridharan, R. Lehmensiek, D. Marrone, P. Cheimets, M. Freeman, P. Galison, J. Houston, M. Johnson, M. Silver

Proceedings Volume 13092, 130926S (2024) https://doi.org/10.1117/12.3020504

KEYWORDS: Antennas, Design, Reflectors, Carbon fiber reinforced plastics, Spatial resolution, Telescopes, Physics, Optical design

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SPIE Journal Paper | 22 October 2021 Open Access

L-band cryogenic radio astronomy receiver front-end of the Square Kilometre Array

Robert Lehmensiek, Ockert Jacobs, Nianhua Jiang, Evan Knox-Davies, Sarel Marais, Isak P. Theron

JATIS, Vol. 8, Issue 01, 011002, (October 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.8.1.011002

KEYWORDS: Receivers, Cryogenics, L band, Waveguides, Radio astronomy, Reflectors, Temperature metrology, Calibration, Interference (communication), Directional couplers

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Proceedings Article | 27 July 2016 Paper

An innovative, highly sensitive receiver system for the Square Kilometre Array Mid Radio Telescope

Gie Han Tan, Robert Lehmensiek, Bhushan Billade, Krzysztof Caputa, Stéphane Gauffre, Isak Theron, Miroslav Pantaleev, Zoran Ljusic, Benjamin Quertier, Adriaan Peens-Hough

Proceedings Volume 9906, 990660 (2016) https://doi.org/10.1117/12.2230897

KEYWORDS: Radio telescopes, Receivers, Antennas, Cryogenics, Telescopes, Reflectors, Field programmable gate arrays, Signal processing, Astronomy, Calibration

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Showing 5 of 6 publications

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