dr. R. Hesper

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E-mail:
r.hesper rug.nl

Research

Research units:

Postal address:
Landleven12
Gebouw 5419, ruimte 0083
9747 AD
Groningen
Netherlands
Phone: +31 50 363 4018Fax: +31 50 363 6100
  1. 2019
  2. Porth, O., Chatterjee, K., Narayan, R., Gammie, C. F., Mizuno, Y., Anninos, P., Baker, J. G., Bugli, M., Chan, C., Davelaar, J., Del Zanna, L., Etienne, Z. B., Fragile, P. C., Kelly, B. J., Liska, M., Markoff, S., McKinney, J. C., Mishra, B., Noble, S. C., ... Collaboration, E. H. T. (2019). The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project. The Astrophysical Journal Supplement Series, 243(2), [26]. https://doi.org/10.3847/1538-4365/ab29fd
  3. Hesper, R., Barkhof, J., Vos, T., & Baryshev, A. (2019). Advanced tuning algorithms for high-frequency SIS mixers. Paper presented at ALMA Development Workshop, ESO 2019, Garching, Germany. https://doi.org/10.5281/zenodo.3240311
  4. Montenegro-Montes, F. M., Torstensson, K., Parra, R., Pérez-Beaupuits, J. P., Nyman, L. -Å., Agurto, C., Azagra, F., Cárdenas, M., González, E., MacAuliffe, F., Venegas, P., De Breuck, C., Bergman, P., Gunawan, D. S., Wyrowski, F., Stanke, T., Belitsky, V., Fredrixon, M., Meledin, D., ... Khudchenko, A. (2019). Orion-KL Observations with the Extended Tuning Range of the New SEPIA660 APEX Facility Instrument. The Messenger, 176, 20-24. https://doi.org/10.18727/0722-6691/5137
  5. Collaboration, E. H. T., Akiyama, K., Alberdi, A., Alef, W., Asada, K., Azulay, R., Baczko, A-K., Ball, D., Baloković, M., Barrett, J., Bintley, D., Blackburn, L., Boland, W., Bouman, K. L., Bower, G. C., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., ... Ziurys, L. (2019). First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole. The Astrophysical Journal, 875, L1. https://doi.org/10.3847/2041-8213/ab0ec7
  6. Collaboration, E. H. T., Akiyama, K., Alberdi, A., Alef, W., Asada, K., Azulay, R., Baczko, A-K., Ball, D., Baloković, M., Barrett, J., Bintley, D., Blackburn, L., Boland, W., Bouman, K. L., Bower, G. C., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., ... Ziurys, L. (2019). First M87 Event Horizon Telescope Results. II. Array and Instrumentation. The Astrophysical Journal, 875(1), [L2]. https://doi.org/10.3847/2041-8213/ab0c96
  7. Collaboration, E. H. T., Akiyama, K., Alberdi, A., Alef, W., Asada, K., Azulay, R., Baczko, A-K., Ball, D., Baloković, M., Barrett, J., Bintley, D., Blackburn, L., Boland, W., Bouman, K. L., Bower, G. C., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., ... Yamaguchi, P. (2019). First M87 Event Horizon Telescope Results. III. Data Processing and Calibration. The Astrophysical Journal, 875(1), [L3]. https://doi.org/10.3847/2041-8213/ab0c57
  8. Collaboration, E. H. T., Akiyama, K., Alberdi, A., Alef, W., Asada, K., Azulay, R., Baczko, A-K., Ball, D., Baloković, M., Barrett, J., Bintley, D., Blackburn, L., Boland, W., Bouman, K. L., Bower, G. C., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., ... Yamaguchi, P. (2019). First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole. The Astrophysical Journal, 875(1), [L4]. https://doi.org/10.3847/2041-8213/ab0e85
  9. Collaboration, E. H. T., Akiyama, K., Alberdi, A., Alef, W., Asada, K., Azulay, R., Baczko, A-K., Ball, D., Baloković, M., Barrett, J., Bintley, D., Blackburn, L., Boland, W., Bouman, K. L., Bower, G. C., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., ... Zhang, S. (2019). First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring. The Astrophysical Journal, 875(1), L5. https://doi.org/10.3847/2041-8213/ab0f43
  10. Collaboration, E. H. T., Akiyama, K., Alberdi, A., Alef, W., Asada, K., Azulay, R., Baczko, A-K., Ball, D., Baloković, M., Barrett, J., Bintley, D., Blackburn, L., Boland, W., Bouman, K. L., Bower, G. C., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., ... Yamaguchi, P. (2019). First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole. The Astrophysical Journal, 875, L6. https://doi.org/10.3847/2041-8213/ab1141
  11. 2018
  12. Belitsky, V., Lapkin, I., Fredrixon, M., Meledin, D., Sundin, E., Billade, B., Ferm, S. -E., Pavolotsky, A., Rashid, H., Strandberg, M., Desmaris, V., Ermakov, A., Krause, S., Olberg, M., Aghdam, P., Shafiee, S., Bergman, P., De Beck, E., Olofsson, H., ... Koops, A. (2018). Corrigendum: SEPIA - a new single pixel receiver at the APEX telescope (. Astronomy & astrophysics, 620, [C2]. https://doi.org/10.1051/0004-6361/201731458e
  13. Belitsky, V., Lapkin, I., Fredrixon, M., Meledin, D., Sundin, E., Billade, B., Ferm, S. -E., Pavolotsky, A., Rashid, H., Strandberg, M., Desmaris, V., Ermakov, A., Krause, S., Olberg, M., Aghdam, P., Shafiee, S., Bergman, P., De Beck, E., Olofsson, H., ... Koops, A. (2018). SEPIA - a new single pixel receiver at the APEX telescope. Astronomy & astrophysics, 612, [23]. https://doi.org/10.1051/0004-6361/201731458
  14. Belitsky, V., Bylund, M., Desmaris, V., Ermakov, A., Ferm, S. -E., Fredrixon, M., Krause, S., Lapkin, I., Meledin, D., Pavolotsky, A., Rashid, H., Shafiee, S., Strandberg, M., Sundin, E., Aghdam, P. Y., Hesper, R., Barkhof, J., Bekema, M. E., Adema, J., ... Bryerton, E. (2018). ALMA Band 5 receiver cartridge. Design, performance, and commissioning. Astronomy & astrophysics, 611, [A98]. https://doi.org/10.1051/0004-6361/201731883
  15. Khudchenko, A., Finger, R., Baryshev, A. M., Mena, F. P., Rodriguez, R., Hesper, R., Fuentes, R., & Bronfman, L. (2018). Study of the Calibration Channel Width for a Digital Sideband Separating System for SIS 2SB Receiver. In Atacama Large-Aperture Submm/mm Telescope (AtLAST) (pp. 19) https://doi.org/10.5281/zenodo.1159039
  16. 2017
  17. Rudakov, K., Dmitriev, P., Baryshev, A., Khudchenko, A., Hesper, R., Kiselev, O., & Koshelets, V. (2017). Waveguide receiver design prototypes for the 211-275 GHz and 790-950 GHz frequency ranges. In 2017 32nd General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2017 (pp. 1-4). (2017 32nd General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2017; Vol. 2017-January). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.23919/URSIGASS.2017.8104996
  18. Khudchenko, A., Baryshev, A. M., Hesper, R., Bekema, M. E., De Haan Stijkel, R., Barkhof, J., Van Nguyen, D., Koshelets, V. P., Dmitriev, P., Fominsky, M., Rudakov, K., Heyminck, S., & Güsten, R. (2017). Performance of SIS mixers for upgrade of CHAMP+ 7-pixel arrays. Paper presented at 28th International Symposium on Space Terahertz Technology, ISSTT 2017, Cologne, Germany.
  19. Davis, K. K., Yates, S. J. C., Jellema, W., Hesper, R., Baselmans, J. J. A., Groppi, C., Ferrari, L., Kohno, K., & Baryshev, A. (2017). Complex beam mapping of large MKID focal plane arrays. Paper presented at 28th International Symposium on Space Terahertz Technology, ISSTT 2017, Cologne, Germany.
  20. MontofrÉ, D., Baryshev, A., Hesper, R., & Mena, F. P. (2017). Design of an optical beam combiner for dual-frequency observation with ALMA. Paper presented at 28th International Symposium on Space Terahertz Technology, ISSTT 2017, Cologne, Germany.
  21. Baryshev, A., Carter, M., Jellema, W., & Hesper, R. (2017). Design and evaluation of ALMA band 9 quasioptical system. In E. Armandillo, & J. Costeraste (Eds.), International Conference on Space Optics, ICSO 2004 (Vol. 554, pp. 365-371). [105680U] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 10568). SPIE. https://doi.org/10.1117/12.2308030
  22. Hesper, R., Khudchenko, A., Baryshev, A. M., Barkhof, J., & Mena, F. P. (2017). A high-performance 650GHz sideband-separating mixer -Design and results. Paper presented at 28th International Symposium on Space Terahertz Technology, ISSTT 2017, Cologne, Germany.
  23. 2016
  24. Immer, K., Belitsky, V., Olberg, M., De Breuck, C., Conway, J., Montenegro-Montes, F. M., Perez-Beaupuits, J. -P., Torstensson, K., Billade, B., De Beck, E., Ermakov, A., Ferm, S. -E., Fredrixon, M., Lapkin, I., Meledin, D., Pavolotsky, A., Strandberg, M., Sundin, E., Arumugam, V., ... Klapwijk, T. M. (2016). SEPIA: A New Instrument for the Atacama Pathfinder Experiment (APEX) Telescope. The Messenger, 165, 13-17. http://adsabs.harvard.edu/abs/2016Msngr.165...13I
  25. Hesper, R., Khudchenko, A., Baryshev, A. M., Barkhof, J., & Mena, F. P. (2016). A new high-performance sideband-separating mixer for 650GHz. In Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 99140G (July 19, 2016) https://doi.org/10.1117/12.2233065
  26. Montofré, D., Baryshev, A., Mena, F. P., & Hesper, R. (2016). Design of a dual band optical calibration device for ALMA receivers. In Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2016 41st International Conference on 25-30 Sept. 2016 https://doi.org/10.1109/IRMMW-THz.2016.7758444
  27. 2015
  28. Baryshev, A., Hesper, R., & Wild, W. (2015). ALMA Band 9 receiver design and performance. In 2015 IEEE MTT-S International Microwave Symposium, IMS 2015 [7167144] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MWSYM.2015.7167144
  29. Baryshev, A. M., Hesper, R., Mena, F. P., Klapwijk, T. M., van Kempen, T. A., Hogerheijde, M. R., Jackson, B. D., Adema, J., Gerlofsma, G. J., Bekema, M. E., Barkhof, J., de Haan-Stijkel, L. H. R., van den Bemt, M., Koops, A., Keizer, K., Pieters, C., Koops van het Jagt, J., Schaeffer, H. H. A., Zijlstra, T., ... Wild, W. (2015). The ALMA Band 9 receiver: Design, construction, characterization, and first light. Astronomy and astrophysics, 577, [A129]. https://doi.org/10.1051/0004-6361/201425529
  30. 2012
  31. Baryshev, A., Khudchenko, A. V., & Hesper, R. (2012). Dual frequency extension for ALMA. In Proceedings of 2012 37th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2012) IEEE (The Institute of Electrical and Electronics Engineers). https://doi.org/10.1109/IRMMW-THz.2012.6379498
  32. Khudchenko, A., Hesper, R., Barychev, A., Gerlofma, G., Barkhof, J., Adema, J., Mena, P., Klapwijk, T., & Spaans, M. (2012). Sideband separating mixer for 600-720 GHz for ALMA band 9 upgrade. In Proceedings of the SPIE: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI (Vol. 8452, pp. 845214). [845214] https://doi.org/10.1117/12.927285
  33. 2011
  34. Khudchenko, A., Hesper, R., Baryshev, A., Mena, F. P., Gerlofma, G., Zijlstra, T., Klapwijk, T. M., Kooi, J. W., & Spaans, M. (2011). First Results of the Sideband-Separating Mixer for ALMA Band 9 Upgrade. In Proceedings of the 22nd International Symposium on Space Terahertz Technology, April 25-28, 2011, Tucson, AZ, pp. 143-149 (pp. 143-149)
  35. 2010
  36. Khudchenko, A., Hesper, R., Barychev, A., Gerlofma, G., Mena, P., Zijlstra, T., Klapwijk, T., Spaans, M., & Kooi, J. W. (2010). Sideband Separating Mixer for 600-720 GHz. In C. Zhang, XC. Zhang, PH. Siegel, L. He, & SC. Shi (Eds.), Infrared, Millimeter Wave, and Terahertz Technologies (pp. 78542R). (Proceedings of SPIE-The International Society for Optical Engineering; Vol. 7854). SPIE - INT SOC OPTICAL ENGINEERING. https://doi.org/10.1117/12.869594
  37. 2009
  38. Hesper, R., Gerlofsma, G., Mena, P., Spaans, M., & Baryshev, A. (2009). A Sideband-Separating Mixer Upgrade for ALMA Band 9. In Proceedings of 20th International symposium on space terahertz technology (pp. 257-260). ISSTT. http://adsabs.harvard.edu/abs/2009stt..conf..257H
  39. 2008
  40. Baryshev, A. M., Mena, F. P., Adema, J., Hesper, R., Jackson, B., Gerlofsma, G., Bekema, M., Keizer, K., Schaeffer, H., Barkhof, J., Lodewijk, C. F. J., Ludkov, D., Zijlstra, T., van Zeijl, E., Klapwijk, T. M., & Wild, W. (2008). ALMA Band 9 cartridge. In W. Wild (Ed.), Proceedings of the Ninteenth International Symposium on Space Terahertz Technology, held April 28-30, 2008, in Groningen (pp. 258-262) http://adsabs.harvard.edu/abs/2008stt..conf..258B
  41. Bout, J., Baryshev, A., Barkhof, J., Mena, F. P., Hesper, R., Jackson, B., Wild, W., Lodewijk, C. F. J., Ludkov, D., Zijlstra, T., van Zeijl, E., & Klapwijk, T. M. (2008). AlN Barrier SIS Junctions in Submm Heterodyne Receivers: Operational Aspects. In W. Wild (Ed.), Proceedings of the Ninteenth International Symposium on Space Terahertz Technology, held April 28-30, 2008, in Groningen (pp. 421) http://adsabs.harvard.edu/abs/2008stt..conf..421B
  42. Kasemann, C., Heyminck, S., Bell, A., Belloche, A., Castenholz, C., Güsten, R., Hafok, H., Henseler, A., Hochgürtel, S., Klein, B., Klein, T., Krämer, I., Korn, A., Meyer, K., Muders, D., Pacek, F., Schäafer, F., Schneider, G., Wieching, G., ... Klapwijk, T. M. (2008). CHAMP: A powerful submm Heterodyne Array. In Proceedings of the Ninteenth International Symposium on Space Terahertz Technology, held April 28-30, 2008, in Groningen (pp. 166) http://adsabs.harvard.edu/abs/2008stt..conf..166K
  43. Mena, F. P., Kooi, J. W., Baryshev, A. M., Lodewijk, C. F. J., Hesper, R., Wild, W., & Klapwijk, T. M. (2008). An SIS-based sideband-separating heterodyne mixer optimized for the 600 to 720 GHz band. In S. Hoste, & M. Ausloos (Eds.), 8TH EUROPEAN CONFERENCE ON APPLIED SUPERCONDUCTIVITY (EUCAS'07) (Journal of Physics Conference Series; Vol. 97). IOP PUBLISHING LTD. https://doi.org/10.1088/1742-6596/97/1/012331
  44. 2007
  45. Yagoubov, P., Baryshev, A., Hesper, R., Koshelets, V., Wagner, G., Birk, M., & Murk, A. (2007). Optical design of the submillimeter limb sounder TELIS. In Proceedings of the Eighteenth International Symposium on Space Terahertz Technology, held March 21-23, 2007, at California Institute of Technology, Pasadena, CA USA (pp. 168) http://adsabs.harvard.edu/abs/2007stt..conf..168Y
  46. Baryshev, A. M., Hesper, R., Mena, F. P., Jackson, B. D., Adema, J., Barkhof, J., Wild, W., Candotti, M., Whale, M., Lodewijk, C., Loudkov, D., Zijlstra, T., & Klapwijk, T. M. (2007). Performance of ALMA band 9 receiver series. Proceedings of the International Symposium on Space Terahertz Technology, 164-167. http://adsabs.harvard.edu/abs/2007stt..conf..164B
  47. 2006
  48. Baryshev, A. M., Hesper, R., Mena, F. P., Jackson, B. D., Adema, J., Schaeffer, H., Barkhof, J., Wild, W., Candotti, M., Lodewijk, C., Loudkov, D., Zijlstra, T., Noroozian, ., & Klapwijk, T. M. (2006). Design and development of a 600-720 GHz receiver for ALMA Band 9. Proceedings of the International Symposium on Space Terahertz Technology, 89-89. http://adsabs.harvard.edu/abs/2006stt..conf...89B
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