REVIEW 3 major objections 5 minor 33 references
Comparison of Different Rydberg Atom-Based Microwave Electrometry Techniques
T0 review · 3 major / 5 minor · reviewed 2026-08-16 · deepseek-v4-flash
Pith's one-line read Under identical experimental conditions, polarization spectroscopy achieves the lowest minimum measurable microwave electric field among three Rydberg-atom electrometry techniques.
desk verdict Useful same-condition comparison of three electrometry techniques, but the ranking rests on comparing different observables with an arbitrary threshold, so the exact numbers are weaker than they look. read the letter →
The pith
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
The reading
What carries the argument
The central object is the Autler-Townes splitting in a Rydberg electromagnetically induced transparency spectrum: the splitting of an EIT transmission feature caused by a resonant microwave field, with the splitting size proportional to the field's Rabi frequency and hence its electric-field amplitude. Each technique reads this splitting through a different spectral feature: the frequency separation $\Delta f_{\mathrm{m}}$ for the auxiliary-field method, the separation between two symmetric peaks $\Delta f_{\mathrm{sho}}$ for amplitude modulation, and the dispersive peak separation $\Delta P_{\mathrm{SEIT-AT}}$ for polarization spectroscopy. Polarization spectroscopy obtains its dispersive signal by circularly polarizing the coupling laser and subtracting two photodiode signals, which converts the EIT feature into a dispersion-shaped curve whose extrema can be located precisely; a zero-order vortex half-wave retarder converts the Gaussian coupling beam to a Laguerre-Gauss $LG_1^0$ mode at 97% efficiency. The paper uses identical interpolation and peak-finding routines across all three techniques, then calibrates field amplitude against the measured splitting with two linear fits; the crossing point of the fits sets the minimum measurable field.
What would settle it
Take one microwave field amplitude, record all three signals under identical conditions, and analyze every signal with a single common observable (for example, the two-peak separation $\Delta f_{\mathrm{sho}}$ after the same interpolation), then repeat at several amplitudes below 1 mV/cm. If polarization spectroscopy no longer yields the smallest resolvable field, the reported ranking depends on the choice of spectral observable rather than on the technique itself.
Extended reading notes
Core claim
Using a five-level atomic ladder ($5S_{1/2} \to 5P_{3/2} \to 68S_{1/2}$ with the target microwave coupling $68S_{1/2} \to 67P_{3/2}$ at 12.455 GHz and an auxiliary coupling $68S_{1/2} \to 68P_{3/2}$ at 11.666 GHz), the authors measured the Autler-Townes splitting as the signal for each technique: $\Delta f_{\mathrm{m}}$ for the auxiliary microwave field technique, $\Delta f_{\mathrm{sho}}$ for microwave amplitude modulation, and $\Delta P_{\mathrm{SEIT-AT}}$ for polarization spectroscopy. In each case they averaged ten spectra, performed identical cubic-spline interpolation, found the relevant spectral extrema, and plotted the chosen splitting against the known microwave field amplitude. The intersection of two linear fits defines the minimum measurable field. On this basis polarization spectroscopy gives the smallest value, $0.18 \pm 0.02$ mV/cm, and the Laguerre-Gauss variant gives $0.17 \pm 0.02$ mV/cm; the auxiliary-field and amplitude-modulation techniques give $0.40 \pm 0.02$ mV/cm and $0.27 \pm 0.02$ mV/cm, respectively. The paper states that the polarization-spectroscopy result is about four times better than the earlier demonstration of that technique, and that the amplitude-modulation result is better than the original implementation because a two-peak observable, $\Delta f_{\mathrm{sho}}$, was used instead of the original zero-crossing observable.
Load-bearing premise
The comparison assumes that the three different spectral features chosen as signals—$\Delta f_{\mathrm{m}}$, $\Delta f_{\mathrm{sho}}$, and $\Delta P_{\mathrm{SEIT-AT}}$—are equally fair measures of the minimum detectable field; if one feature is intrinsically easier to resolve or fit than another, the ranking could be an artifact of the metric rather than a property of the technique.
Editorial extensions
If this is right
- In a rubidium vapor cell at these transitions, polarization spectroscopy is the method that resolves the weakest microwave fields among the three tested.
- Using the two-peak observable $\Delta f_{\mathrm{sho}}$ instead of the original zero-crossing metric improves the amplitude-modulation result, so the choice of signal extraction matters for sensitivity.
- All three techniques require calibration of their Autler-Townes splitting against a known field, so in this configuration they act as secondary standards rather than absolute probes.
- Because the minimum detectable field is set by the low-field flattening of the splitting curve, reducing EIT linewidth or improving the fitting procedure should lower the floor for all three techniques.
- The Laguerre-Gauss coupling beam gives no statistically significant sensitivity gain over a Gaussian beam, although it reduces the zero-field offset of the polarization-spectroscopy observable.
Reading between the lines
- The ranking may partly reflect the choice of spectral observable rather than the technique itself, since each technique was paired with a different Autler-Townes metric; a neutral re-analysis with a single common observable for all three signals would test this.
- If the metric is the dominant factor, a hybrid approach—polarization spectroscopy read out with the $\Delta f_{\mathrm{sho}}$ two-peak observable—might resolve still weaker fields than any method tested here.
- The reduced zero-field offset seen with the Laguerre-Gauss coupling beam suggests that structured coupling beams may lower background noise floors; sweeping the beam's topological charge could reveal whether this effect is tunable.
- The paper's explanation for its better-than-previous numbers is its use of a smaller field-fitting range (≤1 mV/cm) and linear fits; applying the same analysis range to published data from other groups could make future sensitivity comparisons more meaningful.
Signed reviews
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. This paper reports an experimental comparison of three Rydberg-atom-based microwave electrometry techniques—auxiliary microwave field, microwave amplitude modulation, and polarization spectroscopy—performed on the same 85Rb five-level ladder (5S1/2–5P3/2–68S1/2–67P3/2/68P3/2) with the same probe and coupling lasers and the same target microwave transition at 12.455 GHz. For each technique the authors record EIT/AT spectra, extract a technique-specific Autler-Townes splitting (Δfm, Δfsho, or ΔPSEIT−AT), and define the minimum measurable microwave field as the intersection of two linear fits to the splitting-versus-field data over a range ≤1 mV/cm. They report minimum fields of 0.40±0.02 mV/cm (auxiliary field), 0.27±0.02 mV/cm (amplitude modulation), and 0.18±0.02 mV/cm (polarization spectroscopy with Gaussian coupling), with 0.17±0.02 mV/cm for a Laguerre-Gauss coupling beam. The paper concludes that polarization spectroscopy gives the best result, while acknowledging that all techniques require calibration and that the fitting range affects the inferred minimum.
Significance. If the reported comparison were based on a common detection criterion, the paper would provide a practically useful head-to-head benchmark of three electrometry methods in a single apparatus, which is valuable for users choosing a technique. Strengths include the matched Rydberg states and laser parameters, the transparent description of signal processing (cubic-spline interpolation and peak finding), and the direct calibration of AT splitting against microwave power. The main weakness is that the compared quantity is not defined identically across techniques: each method uses a different observable and the threshold comes from an intersection of linear fits rather than from a common noise-floor criterion. As the authors themselves note in Section 4, the inferred minimum depends on the choice of linear versus log-log fitting and the fitting range. Thus the numerical ranking should be treated with caution until a common sensitivity metric is adopted.
major comments (3)
- [Section 3, Figs. 3–5] The ranking is not a comparison of like with like. The authors explicitly use a different AT-splitting observable for each technique (Δfm for the auxiliary-field method, Δfsho for amplitude modulation, and ΔPSEIT−AT for polarization spectroscopy), and for amplitude modulation they replace the original ΔfAM with Δfsho from Hao et al. Because these observables have different zero-field baselines and different slopes near threshold, the intersection-of-two-linear-fits estimator does not measure a common physical detection limit; a steeper fitted slope can make a technique look better without any improvement in underlying sensitivity. The manuscript should either adopt a single common detection criterion (for example, the field at which the observable deviates from its zero-field baseline by a specified multiple of the noise) or explicitly present the numbers as technique-specific fit parameters and refrain from ranking the techniques.
- [Section 4] The authors state that the inferred minimum field is smaller in a linear plot than in a log-log plot and attribute this to the smaller electric-field fitting range (≤1 mV/cm). This admission shows that the reported values depend on the arbitrary choice of fit function and range. Since Figs. 4 and 5 do not include a noise floor or an SNR threshold, the quoted 0.18/0.17/0.27/0.40 mV/cm values are not robust measures of detectability. A sensitivity analysis over fit ranges and fit forms is needed before these numbers can support the claimed cross-technique ranking.
- [Sections 2 and 3] The quoted uncertainties (0.02 mV/cm) are stated as standard deviations of ten spectra, but the microwave-field calibration chain—generator power, combiner, horn antenna, free-space propagation, and cell position—is not given an uncertainty budget. Without an estimate of systematic uncertainty, the differences among the techniques (0.18 vs 0.27 vs 0.40 mV/cm) cannot be distinguished from calibration offsets. The authors should provide a systematic error estimate or temper the comparative claims accordingly.
minor comments (5)
- [Abstract vs Conclusions] The abstract says the three techniques have 'similar' minimum measurable field with a 'slightly better' result for polarization spectroscopy, while the Conclusions state that polarization spectroscopy 'allows for the best minimum measurable MW electric field amplitude'; please harmonize this wording.
- [Section 2] The claim of 'the same experimental conditions' should be qualified: for polarization spectroscopy the coupling beam is circularly polarized and the signal is the difference of two photodiode signals, whereas the other two techniques use linearly polarized coupling and a single-detector EIT signal; additionally, the lock-in modulation is applied to the coupling beam in two cases and to the microwave field in the third.
- [Introduction] The sentence 'has created an exciting research domain with various [5–8]' is incomplete; a noun such as 'applications' appears to be missing.
- [Section 2] The Rabi frequencies Ωp and Ωc are described as 'calculated'; please state whether they were independently verified, since the microwave-field calibration ultimately relies on the same AT-splitting model.
- [Section 3] Please add a table summarizing the observable, fit range, fit form, and threshold for each technique; this would make the comparison much easier to evaluate.
Circularity Check
No significant circularity: the comparison is experimental, all sensitivities are measured and externally calibrated, and the differing observables are a stated limitation rather than a circular derivation.
full rationale
The paper makes no theoretical derivation that could reduce to its own inputs. The minimum measurable microwave electric field amplitudes are extracted from the intersection of two linear fits to measured observable-versus-field curves (Figs. 4 and 5), after the microwave field is calibrated by AT splitting in the linear regime. These values are not predictions from a model whose output was presupposed. The only apparent concern is that the three techniques use different AT-splitting observables: the paper states, "Here we have used the AT splitting defined in each different work: (a) Δfm from [27]; (b) Δfsho from [33] and (c) ΔPSEIT−AT from [29]", and for the amplitude-modulation arm the authors deliberately replace Liu et al.'s ΔfAM with Hao et al.'s Δfsho. This makes the numerical thresholds not perfectly commensurable, and the ranking could in principle be influenced by observable choice. The paper itself flags in Section 4 that the extracted minimum depends on whether linear or log-log fits are used. However, this is an experimental-design limitation, not circular reasoning: the measured observables are not defined in terms of the final ranking, no fitted parameter is renamed as a prediction, and no load-bearing uniqueness theorem is imported from the authors' prior work. Citations to the authors' earlier polarization-spectroscopy papers [29,30] are ordinary method citations; the measurements and fits are performed in this paper. Therefore no specific circular step can be exhibited.
Assumptions & free parameters
free parameters (4)
- Linear fit parameters (low- and high-field regimes) for Δfm in auxiliary-field technique
- Linear fit parameters (low- and high-field regimes) for Δfsho in amplitude-modulation technique
- Linear fit parameters for ΔPSEIT-AT with Gaussian coupling beam
- Linear fit parameters for ΔPSEIT-AT with Laguerre-Gauss coupling beam
assumptions (4)
- domain assumption Autler-Townes splitting is proportional to the MW Rabi frequency, and therefore to the electric field, in the linear low-field regime.
- domain assumption The MW field at the vapor cell is a plane wave due to the 82 cm distance from the horn antenna.
- domain assumption The EIT linewidth sets the floor for resolvable AT splitting.
- domain assumption The rubidium atomic level structure and dipole matrix elements for 68S1/2, 68P3/2, and 67P3/2 are as known.
Cite this review
Pith. "Pith review of Comparison of Different Rydberg Atom-Based Microwave Electrometry Techniques." pith.science (2026). https://pith.science/paper/RJIWFVUN
@misc{pith2026250420201,
author = {Pith},
title = {Pith review of: Comparison of Different Rydberg Atom-Based Microwave Electrometry Techniques},
year = {2026},
howpublished = {\url{https://pith.science/paper/RJIWFVUN}},
note = {Machine review of arXiv:2504.20201}
}
abstract
In this study, we have compared different Rydberg atom-based microwave electrometry techniques under the same experimental conditions and using the same Rydberg states ($68S_{1/2}$, $68P_{3/2}$ and $67P_{3/2}$). The comparison was carried out for the following techniques: i) Auxiliary microwave field, ii) Microwave amplitude modulation, and iii) Polarization spectroscopy. Our results indicate that all three techniques have a similar minimum measurable microwave electric field. A slightly better result can be obtained by performing polarization spectroscopy using a Laguerre-Gauss coupling laser beam.
Figures
Figures from the paper (2 more)
Reference graph
Works this paper leans on
- [1]
-
[2]
Nikola ˇSibali´ c and Charles S Adams. Rydberg Physics. 2399-2891. IOP Publishing, 2018
work page 2018
-
[3]
Electromagnetically induced trans- parency: Optics in coherent media
Michael Fleischhauer, Atac Imamoglu, and Jonathan P Mar angos. Electromagnetically induced trans- parency: Optics in coherent media. Reviews of modern physics , 77(2):633, 2005
work page 2005
-
[4]
Electromagnetically induced tran sparency
Jonathan P Marangos. Electromagnetically induced tran sparency. Journal of Modern Optics , 45(3):471– 503, 1998
work page 1998
-
[5]
A. K. Mohapatra, T. R. Jackson, and C. S. Adams. Coherent o ptical detection of highly excited rydberg states using electromagnetically induced transparency. Phys. Rev. Lett. , 98:113003, Mar 2007
work page 2007
-
[6]
Rydberg atom quantum technologies
Charles S Adams, Jonathan D Pritchard, and James P Shaffer. Rydberg atom quantum technologies. Journal of Physics B: Atomic, Molecular and Optical Physics , 53(1):012002, 2019
work page 2019
-
[7]
Christopher Carr, Monsit Tanasittikosol, Armen Sargsy an, David Sarkisyan, Charles S. Adams, and Kevin J. Weatherill. Three-photon electromagnetically in duced transparency using rydberg states. Opt. Lett., 37(18):3858–3860, Sep 2012
work page 2012
-
[8]
Electromagnetically induced trans- parency with rydberg atoms
David Petrosyan, Johannes Otterbach, and Michael Fleis chhauer. Electromagnetically induced trans- parency with rydberg atoms. Phys. Rev. Lett. , 107:213601, Nov 2011
work page 2011
Show all 33 references
-
[9]
Microwave electrometry with rydberg atoms in a vapou r cell using bright atomic resonances
Jonathon A Sedlacek, Arne Schwettmann, Harald K¨ ubler, Robert L¨ ow, Tilman Pfau, and James P Shaffer. Microwave electrometry with rydberg atoms in a vapou r cell using bright atomic resonances. Nature physics, 8(11):819–824, 2012
2012
-
[10]
Electric field metrology for si traceabil ity: Systematic measurement uncertainties in electromagnetically induced transparency in atomic vapor
Christopher L Holloway, Matt T Simons, Joshua A Gordon, Andrew Dienstfrey, David A Anderson, and Georg Raithel. Electric field metrology for si traceabil ity: Systematic measurement uncertainties in electromagnetically induced transparency in atomic vapor . Journal of Applied P...
2017
-
[11]
Broadband rydberg atom-based electric-field probe for si-traceable, self-calibrated me asurements
Christopher L Holloway, Joshua A Gordon, Steven Jefferts , Andrew Schwarzkopf, David A Anderson, Stephanie A Miller, Nithiwadee Thaicharoen, and Georg Rait hel. Broadband rydberg atom-based electric-field probe for si-traceable, self-calibrated me asurements. IEEE Transactions o...
2014
-
[12]
Sub-wa velength imaging and field mapping via electromagnetically induced transparency and autler-tow nes splitting in rydberg atoms
Christopher L Holloway, Joshua A Gordon, Andrew Schwar zkopf, David A Anderson, Stephanie A Miller, Nithiwadee Thaicharoen, and Georg Raithel. Sub-wa velength imaging and field mapping via electromagnetically induced transparency and autler-tow nes splitting in rydberg atoms. A...
2014
-
[13]
J. A. Sedlacek, A. Schwettmann, H. K¨ ubler, and J. P. Sha ffer. Atom-based vector microwave electrom- etry using rubidium rydberg atoms in a vapor cell. Phys. Rev. Lett. , 111:063001, Aug 2013
2013
-
[14]
Microwave dressing of rydberg dark states
M Tanasittikosol, JD Pritchard, D Maxwell, Alexandre G auguet, KJ Weatherill, RM Potvliege, and CS Adams. Microwave dressing of rydberg dark states. Journal of Physics B: Atomic, Molecular and Optical Physics , 44(18):184020, 2011
2011
-
[15]
Atom based rf electric field sensing
Haoquan Fan, Santosh Kumar, Jonathon Sedlacek, Harald K¨ ubler, Shaya Karimkashi, and James P Shaffer. Atom based rf electric field sensing. Journal of Physics B: Atomic, Molecular and Optical Physics, 48(20):202001, 2015
2015
-
[16]
D. A. Anderson, S. A. Miller, G. Raithel, J. A. Gordon, M. L. Butler, and C. L. Holloway. Optical measurements of strong microwave fields with rydberg atoms i n a vapor cell. Phys. Rev. Appl. , 5:034003, Mar 2016. 9
2016
-
[17]
D. A. Anderson, A. Schwarzkopf, S. A. Miller, N. Thaicha roen, G. Raithel, J. A. Gordon, and C. L. Holloway. Two-photon microwave transitions and strong-fie ld effects in a room-temperature rydberg- atom gas. Phys. Rev. A , 90:043419, Oct 2014
2014
-
[18]
Simultaneous use of cs and rb rydberg atoms for dipole moment assessment and rf electric field meas urements via electromagnetically induced transparency
Matt T Simons, Joshua A Gordon, and Christopher L Hollow ay. Simultaneous use of cs and rb rydberg atoms for dipole moment assessment and rf electric field meas urements via electromagnetically induced transparency. Journal of Applied Physics , 120(12):123103, 2016
2016
-
[19]
A quantum-based power standard: Using rydberg atoms for a si-traceable radio-frequency power measurement technique in rectangul ar waveguides
Christopher L Holloway, Matthew T Simons, Marcus D Kaut z, Abdulaziz H Haddab, Joshua A Gordon, and Thomas P Crowley. A quantum-based power standard: Using rydberg atoms for a si-traceable radio-frequency power measurement technique in rectangul ar waveguides. Applied Physics ...
2018
-
[20]
John, and Wansheng Su
Matthew T Simons, Marcus D Kautz, Christopher L Hollowa y, David A Anderson, Georg Raithel, Daniel Stack, Marc C St. John, and Wansheng Su. Electromagne tically induced transparency (eit) and autler-townes (at) splitting in the presence of band-limit ed white gaussian noise. J...
2018
-
[21]
Digital communication with rydberg atoms and amplitude-modulated microwave fields
David H Meyer, Kevin C Cox, Fredrik K Fatemi, and Paul D Ku nz. Digital communication with rydberg atoms and amplitude-modulated microwave fields. Applied Physics Letters , 112(21):211108, 2018
2018
-
[22]
H. Q. Fan, S. Kumar, R. Daschner, H. K¨ ubler, and J. P. Sha ffer. Subwavelength microwave electric-field imaging using rydberg atoms inside atomic vapor cells. Opt. Lett. , 39(10):3030–3033, May 2014
2014
-
[23]
The autler-townes effect revi sited
Claude N Cohen-Tannoudji. The autler-townes effect revi sited. Amazing Light , pages 109–123, 1996
1996
-
[24]
Objectively discerning autler-townes splitting from electromagnetically induced transparency
Petr M Anisimov, Jonathan P Dowling, and Barry C Sanders . Objectively discerning autler-townes splitting from electromagnetically induced transparency . Physical review letters , 107(16):163604, 2011
2011
-
[25]
Electromagnetically induced tran sparency and autler-townes splitting: Two similar but distinct phenomena in two categories of three-l evel atomic systems
Tony Y Abi-Salloum. Electromagnetically induced tran sparency and autler-townes splitting: Two similar but distinct phenomena in two categories of three-l evel atomic systems. Physical Review A , 81(5):053836, 2010
2010
-
[26]
Atomic su- perheterodyne receiver based on microwave-dressed rydber g spectroscopy
Mingyong Jing, Ying Hu, Jie Ma, Hao Zhang, Linjie Zhang, Liantuan Xiao, and Suotang Jia. Atomic su- perheterodyne receiver based on microwave-dressed rydber g spectroscopy. Nature Physics, 16:911–915, Sep 2020
2020
-
[27]
Span shift an d extension of quantum microwave electrometry with rydberg atoms dressed by an auxiliary mic rowave field
Feng-Dong Jia, Xiu-Bin Liu, Jiong Mei, Yong-Hong Yu, Hu ai-Yu Zhang, Zhao-Qing Lin, Hai-Yue Dong, Jian Zhang, Feng Xie, and Zhi-Ping Zhong. Span shift an d extension of quantum microwave electrometry with rydberg atoms dressed by an auxiliary mic rowave field. Phys. Rev. A , 10...
2021
-
[28]
Using amplitude modulation of the mi crowave field to improve the sensitivity of Rydberg-atom based microwave electrometry
Xiubin Liu, Fengdong Jia, Huaiyu Zhang, Jiong Mei, Yong hong Yu, Weichen Liang, Jian Zhang, Feng Xie, and Zhiping Zhong. Using amplitude modulation of the mi crowave field to improve the sensitivity of Rydberg-atom based microwave electrometry. AIP Advances, 11(8):085127, 08 2021
2021
-
[29]
Rydberg atom-based microwave elect rometry using polarization spectroscopy
Naomy Duarte Gomes, Vinicius Marrara Pepino, Ben-Hur V iana Borges, Daniel Varela Magalh˜ aes, Reginaldo de Jesus Napolitano, Manuel Alejandro Lefr´ an Torres, Jorge Douglas Massayuki Kondo, and Luis Gustavo Marcassa. Rydberg atom-based microwave elect rometry using polarizati...
2024
-
[30]
Polarization spectroscopy applied to elect romagnetically induced transparency in hot rydberg atoms using a laguerre–gaussian beam
Naomy Duarte Gomes, B´ arbara da Fonseca Magnani, Jorge Douglas Massayuki Kondo, and Luis Gus- tavo Marcassa. Polarization spectroscopy applied to elect romagnetically induced transparency in hot rydberg atoms using a laguerre–gaussian beam. Atoms, 10(2):58, 2022. 10
2022
-
[31]
Affordable medium-finesse optical cavity for diode laser stabilization
David Rodriguez Fernandez, Manuel Alejandro Lefran To rres, Marcos Roberto Cardoso, Jorge Dou- glas Massayuki Kondo, Mark Saffman, and Luis Gustavo Marcassa . Affordable medium-finesse optical cavity for diode laser stabilization. Applied Physics B , 130:60, 2024
2024
-
[32]
Oliphant, Matt Haberland, Tyler Reddy, David Cournapeau, Evgeni Burovski, Pearu Peterson, Warren Weckesser, Jonathan Bright, St´ efan J
Pauli Virtanen, Ralf Gommers, Travis E. Oliphant, Matt Haberland, Tyler Reddy, David Cournapeau, Evgeni Burovski, Pearu Peterson, Warren Weckesser, Jonathan Bright, St´ efan J. van der Walt, Matthew Brett, Joshua Wilson, K. Jarrod Millman, Nikolay Mayorov, A ndrew R. J. Nelson...
2020
-
[33]
Micro wave electrometry with rydberg atoms in a vapor cell using microwave amplitude modulation
Jian-Hai Hao, Feng-Dong Jia, Yue Cui, Yu-Han Wang, Fei Z hou, Xiu-Bin Liu, Jian Zhang, Feng Xie, Jin-Hai Bai, Jian-Qi You, Yu Wang, and Zhi-Ping Zhong. Micro wave electrometry with rydberg atoms in a vapor cell using microwave amplitude modulation. Chinese Physics B , 33(5):05...
2024
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