1-20 of 215
N. C. Luhmann
Close
Save search
Follow your search
Access your saved searches in your account
Close Modal
Sort by
Journal Articles

Modeling the electron cyclotron emission radiation signature from suprathermal electrons in a tokamak

Guanying Yu, Yilun Zhu, Gerrit Kramer, Max Austin, Severin Denk, Min-Gu Yoo, Xiaoliang Li, Bingzhe Zhao, Ruifeng Xie, Zeyu Li, Ying Chen, Xianzi Liu, Shasha Qiu, N. C. Luhmann, Jr.
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 95, 073505 (2024)
https://doi.org/10.1063/5.0217728
Published: July 2024
View article titled, Modeling the electron cyclotron emission radiation signature from suprathermal electrons in a tokamak
Open the PDF for Modeling the electron cyclotron emission radiation signature from suprathermal electrons in a tokamak in another window
Journal Articles

Understanding the negative triangularity ELM trigger and ELM free state on DIII-D with ECE-imaging

G. Yu, Z. Li, G. Kramer, F. Scotti, A. O. Nelson, A. Diallo, C. Lasnier, M. E. Austin, X. Qin, Y. Chen, Y. Zheng, Y. Zhu, N. C. Luhmann, Jr.
Journal: Physics of Plasmas
Phys. Plasmas 30, 062505 (2023)
https://doi.org/10.1063/5.0144711
Published: June 2023
View article titled, Understanding the negative triangularity ELM trigger and ELM free state on DIII-D with ECE-imaging
Open the PDF for Understanding the negative triangularity ELM trigger and ELM free state on DIII-D with ECE-imaging in another window
Journal Articles

System-on-chip approach microwave imaging reflectometer on DIII-D tokamak

Y. Zhu, Y. Chen, J.-H. Yu, C. Domier, G. Yu, X. Liu, G. Kramer, Y. Ren, A. Diallo, N. C. Luhmann, Jr., X. Li
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 93, 113509 (2022)
https://doi.org/10.1063/5.0099170
Published: November 2022
View article titled, System-on-chip approach microwave imaging reflectometer on DIII-D tokamak
Open the PDF for System-on-chip approach microwave imaging reflectometer on DIII-D tokamak in another window
Journal Articles

Diagnosing the pedestal magnetic field and magnetohydrodynamics radial structure with pedestal–scrape of layer electron cyclotron emission radiation inversion in H-mode plasma (invited)

G. Yu, Y. Zhu, M. Austin, Y. Chen, J. Cao, A. Diallo, G. Kramer, Z. Li, X. Li, X. Liu, R. Nazikian, Y. Zheng, N. C. Luhmann, Jr.
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 93, 103528 (2022)
https://doi.org/10.1063/5.0099348
Published: October 2022
View article titled, Diagnosing the pedestal magnetic field and magnetohydrodynamics radial structure with pedestal–scrape of layer electron cyclotron emission radiation inversion in H-mode plasma (invited)
Open the PDF for Diagnosing the pedestal magnetic field and magnetohydrodynamics radial structure with pedestal–scrape of layer electron cyclotron emission radiation inversion in H-mode plasma (invited) in another window
Journal Articles

The National Spherical Torus Experiment-Upgrade poloidal high-k scattering system pitch angle design modifications

X. Liu, C. W. Domier, J. Dannenberg, Y. Zhu, J. R. Sirigiri, Y. Ren, B. Stratton, N. C. Luhmann, Jr.
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 93, 103509 (2022)
https://doi.org/10.1063/5.0099912
Published: October 2022
View article titled, The National Spherical Torus Experiment-Upgrade poloidal high-k scattering system pitch angle design modifications
Open the PDF for The National Spherical Torus Experiment-Upgrade poloidal high-k scattering system pitch angle design modifications in another window
Journal Articles

System-on-chip upgrade of millimeter-wave imaging diagnostics for fusion plasma

Y. Zhu, J.-H. Yu, G. Yu, Y. Ye, Y. Chen, B. Tobias, A. Diallo, G. Kramer, Y. Ren, W. Tang, G. Dong, R. Churchill, C. W. Domier, X. Li, C. Luo, M. Chen, N. C. Luhmann, Jr.
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 92, 053522 (2021)
https://doi.org/10.1063/5.0040449
Published: May 2021
View article titled, System-on-chip upgrade of millimeter-wave imaging diagnostics for fusion plasma
Open the PDF for System-on-chip upgrade of millimeter-wave imaging diagnostics for fusion plasma in another window
Journal Articles

Integrated package of electron cyclotron emission imaging data processing and forward modeling in OMFIT

G. Yu, Y. Zhu, Y. Wang, O. Meneghini, S. P. Smith, Y. Zou, C. Luo, J. Cao, B. Tobias, A. Diallo, G. J. Kramer, Y. Ren, N. C. Luhmann, Jr.
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 92, 033540 (2021)
https://doi.org/10.1063/5.0040448
Published: March 2021
View article titled, Integrated package of electron cyclotron emission imaging data processing and forward modeling in OMFIT
Open the PDF for Integrated package of electron cyclotron emission imaging data processing and forward modeling in OMFIT in another window
Journal Articles

A next generation ultra short pulse reflectometry (USPR) diagnostic

C. W. Domier, Y. Zhu, J. Dannenberg, N. C. Luhmann, Jr.
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 92, 034714 (2021)
https://doi.org/10.1063/5.0040724
Published: March 2021
View article titled, A next generation ultra short pulse reflectometry (USPR) diagnostic
Open the PDF for A next generation ultra short pulse reflectometry (USPR) diagnostic in another window
Journal Articles

W-band system-on-chip electron cyclotron emission imaging system on DIII-D

Editor’s Pick
Y. Zhu, J.-H. Yu, G. Yu, Y. Ye, B. Tobias, A. Diallo, G. Kramer, Y. Ren, C. W. Domier, X. Li, C. Luo, M. Chen, Y. Chen, N. C. Luhmann, Jr.
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 093504 (2020)
https://doi.org/10.1063/5.0018082
Published: September 2020
View article titled, W-band system-on-chip electron cyclotron emission imaging system on DIII-D
Open the PDF for W-band system-on-chip electron cyclotron emission imaging system on DIII-D in another window
Journal Articles

Liquid crystal polymer receiver modules for electron cyclotron emission imaging on the DIII-D tokamak

Y. Zhu, Y. Ye, J-H. Yu, B. Tobias, A-V. Pham, Y. Wang, C. Luo, C. W. Domier, G. Kramer, Y. Ren, A. Diallo, R. Nazikian, M. Chen, G. Yu, N. C. Luhmann, Jr.
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 89, 10H120 (2018)
https://doi.org/10.1063/1.5035373
Published: October 2018
View article titled, Liquid crystal polymer receiver modules for electron cyclotron emission imaging on the DIII-D tokamak
Open the PDF for Liquid crystal polymer receiver modules for electron cyclotron emission imaging on the DIII-D tokamak in another window
Journal Articles

The high-k poloidal scattering system for NSTX-U

R. Barchfeld, C. W. Domier, Y. Ren, R. Ellis, P. Riemenschneider, N. Allen, R. Kaita, B. Stratton, J. Dannenberg, Y. Zhu, N. C. Luhmann, Jr.
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 89, 10C114 (2018)
https://doi.org/10.1063/1.5035410
Published: October 2018
View article titled, The high-<em>k</em> poloidal scattering system for NSTX-U
Open the PDF for The high-<em>k</em> poloidal scattering system for NSTX-U in another window
Journal Articles

Synthetic diagnostic for electron cyclotron emission imaging

M. Chen, Y. Zhu, C. Luo, L. Shi, B. J. Tobias, N. C. Luhmann, Jr.
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 89, 10H117 (2018)
https://doi.org/10.1063/1.5035426
Published: October 2018
View article titled, Synthetic diagnostic for electron cyclotron emission imaging
Open the PDF for Synthetic diagnostic for electron cyclotron emission imaging in another window
Journal Articles

A new method of out-of-focus millimeter wave imaging in fusion plasma diagnostics using Bessel beams

J. X. Li, Y. L. Zhu, M. Chen, J. H. Cao, J. Dannenberg, C. Domier, N. C. Luhmann, Jr.
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 89, 093506 (2018)
https://doi.org/10.1063/1.5012778
Published: September 2018
View article titled, A new method of out-of-focus millimeter wave imaging in fusion plasma diagnostics using Bessel beams
Open the PDF for A new method of out-of-focus millimeter wave imaging in fusion plasma diagnostics using Bessel beams in another window
Journal Articles

Millimeter-wave system-on-chip advancement for fusion plasma diagnostics

J.-H. Yu, Y.-T. Chang, K.-Y. Lin, C.-C. Chang, S.-F. Chang, Y. Ye, A. V. Pham, B. J. Tobias, Y. Zhu, C. W. Domier, N. C. Luhmann, Jr.
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 89, 10H108 (2018)
https://doi.org/10.1063/1.5035559
Published: August 2018
View article titled, Millimeter-wave system-on-chip advancement for fusion plasma diagnostics
Open the PDF for Millimeter-wave system-on-chip advancement for fusion plasma diagnostics in another window
Journal Articles

Observation of electron driven quasi-coherent modes and their connection with core intrinsic rotation in KSTAR ECH and ohmic L-mode plasmas

J. A. Lee (이지훈), W. Lee, J. M. Kwon, S. H. Ko, J. Leem, G. S. Yun, H. K. Park, Y. S. Park, K. W. Kim, N. C. Luhmann, Jr., KSTAR Team
Journal: Physics of Plasmas
Phys. Plasmas 25, 022513 (2018)
https://doi.org/10.1063/1.5008468
Published: February 2018
View article titled, Observation of electron driven quasi-coherent modes and their connection with core intrinsic rotation in KSTAR ECH and ohmic L-mode plasmas
Open the PDF for Observation of electron driven quasi-coherent modes and their connection with core intrinsic rotation in KSTAR ECH and ohmic L-mode plasmas in another window
Journal Articles

Ion gyroscale fluctuation measurement with microwave imaging reflectometer on KSTAR

W. Lee, J. Leem, G. S. Yun, H. K. Park, S. H. Ko, W. X. Wang, R. V. Budny, N. C. Luhmann, Jr., K. W. Kim
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 11E134 (2016)
https://doi.org/10.1063/1.4963152
Published: September 2016
View article titled, Ion gyroscale fluctuation measurement with microwave imaging reflectometer on KSTAR
Open the PDF for Ion gyroscale fluctuation measurement with microwave imaging reflectometer on KSTAR in another window
Journal Articles

Millimeter-wave imaging diagnostics systems on the EAST tokamak (invited)

Y. L. Zhu, J. L. Xie, C. X. Yu, Z. L. Zhao, B. X. Gao, D. X. Chen, W. D. Liu, W. Liao, C. M. Qu, C. Luo, X. Hu, A. G. Spear, N. C. Luhmann, Jr., C. W. Domier, M. Chen, X. Ren, B. J. Tobias
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 11D901 (2016)
https://doi.org/10.1063/1.4959162
Published: August 2016
View article titled, Millimeter-wave imaging diagnostics systems on the EAST tokamak (invited)
Open the PDF for Millimeter-wave imaging diagnostics systems on the EAST tokamak (invited) in another window
Journal Articles

Far-infrared tangential interferometer/polarimeter design and installation for NSTX-U

E. R. Scott, R. Barchfeld, P. Riemenschneider, C. W. Domier, C. M. Muscatello, M. Sohrabi, R. Kaita, Y. Ren, N. C. Luhmann, Jr.
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 11E114 (2016)
https://doi.org/10.1063/1.4960415
Published: August 2016
View article titled, Far-infrared tangential interferometer/polarimeter design and installation for NSTX-U
Open the PDF for Far-infrared tangential interferometer/polarimeter design and installation for NSTX-U in another window
Journal Articles

Design of the 2D electron cyclotron emission imaging instrument for the J-TEXT tokamak

X. M. Pan, Z. J. Yang, X. D. Ma, Y. L. Zhu, N. C. Luhmann, Jr., C. W. Domier, B. W. Ruan, G. Zhuang
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 11E106 (2016)
https://doi.org/10.1063/1.4959875
Published: August 2016
View article titled, Design of the 2D electron cyclotron emission imaging instrument for the J-TEXT tokamak
Open the PDF for Design of the 2D electron cyclotron emission imaging instrument for the J-TEXT tokamak in another window
Journal Articles

Low-noise heterodyne receiver for electron cyclotron emission imaging and microwave imaging reflectometry

B. Tobias, C. W. Domier, N. C. Luhmann, Jr., C. Luo, M. Mamidanna, T. Phan, A.-V. Pham, Y. Wang
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 11E103 (2016)
https://doi.org/10.1063/1.4959273
Published: July 2016
View article titled, Low-noise heterodyne receiver for electron cyclotron emission imaging and microwave imaging reflectometry
Open the PDF for Low-noise heterodyne receiver for electron cyclotron emission imaging and microwave imaging reflectometry in another window