arxiv: 2605.14466 · v1 · submitted 2026-05-14 · ⚛️ physics.optics

Recognition: no theorem link

Determination of Poynting Vector Characteristics

I. Mokhun , V. Danko , A. Kovalenko

Authors on Pith no claims yet

Pith reviewed 2026-05-15 02:04 UTC · model grok-4.3

classification ⚛️ physics.optics

keywords Poynting vectorelectromagnetic wavesvortex beamspolarizationoptical meterenergy flow

0 comments

The pith

A new meter design measures the Poynting vector characteristics of monochromatic electromagnetic waves.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper establishes a method to measure the Poynting vector, which represents the directional energy flow in electromagnetic fields. The authors describe a meter design and test it on vortex beams having linear and circular polarization. A sympathetic reader would care because direct measurement of this vector could simplify analysis of how light carries energy in complex beams. The validation with experimental data supports the approach for monochromatic waves.

Core claim

The authors present a novel method for measuring the Poynting vector characteristics of monochromatic electromagnetic waves. A specific design for such a meter is outlined and experimental data is provided to validate the approach using vortex beams with both linear and circular polarization.

What carries the argument

The specific meter design that isolates and measures Poynting vector components.

Load-bearing premise

The outlined meter design accurately isolates and measures Poynting vector components without significant systematic errors or calibration dependencies.

What would settle it

A controlled test on a known vortex beam where the meter readings deviate substantially from independent theoretical calculations of the Poynting vector would show the design fails to measure accurately.

Figures

Figures reproduced from arXiv: 2605.14466 by A. Kovalenko, I. Mokhun, V. Danko.

**Figure 1.** Figure 1: Operating principle of the Hartmann method. 1 – focal spot position in the absence of wavefront curvature (reference position). 2 – displaced focal spot position, indicating the local wavefront tilt 𝛾. The peak intensity of the displaced focal spot is proportional to the local intensity of the field at the microlens center. The spatial resolution of this method is determined by the dimensions of the microl… view at source ↗

**Figure 2.** Figure 2: Experimental schematic for reconstructing Poynting vector characteristics. 1 – quarter-wave plate; 2 – polarizer; 3 – microlens array; 4 – CCD camera; 5 – computer. The incident field 𝐸⃗ first passes through the polarizer (2) in the absence of the quarter-wave plate (1) to separate one of the orthogonal components. Behind the polarizer, a microlens array (3) samples the field. In the focal plane, the syste… view at source ↗

**Figure 3.** Figure 3: , which is an implementation of the configuration shown in [PITH_FULL_IMAGE:figures/full_fig_p003_3.png] view at source ↗

read the original abstract

This paper presents a novel method for measuring the Poynting vector characteristics of monochromatic electromagnetic waves. We outline a specific design for such a meter and provide experimental data to validate the approach. For testing purposes, we utilized vortex beams with both linear and circular polarization.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Desk Editor's Note private letter to a colleague

The paper outlines a meter design for Poynting vector measurement in monochromatic waves and tests it on vortex beams, but supplies no equations, error analysis, or prior-art comparison.

read the letter

The main thing here is a claimed new meter design for measuring Poynting vector characteristics, with experimental data on vortex beams using both linear and circular polarization. They picked a sensible test case because vortex beams have structured fields that should show whether the device can handle nontrivial cases. If the full paper includes usable data, it might interest people who need a practical instrument for energy flow measurements in optics labs. That part is straightforward and applied. The problems stand out more. No equations or derivation appear for how the meter separates the vector components or why the design works. There is no error analysis, no numbers on accuracy, and no discussion of possible systematic errors or calibration steps. The validation is asserted but not shown, so it is impossible to check whether the results hold up or depend on hidden assumptions. The abstract also skips any comparison to existing Poynting vector sensors, which makes the novelty claim difficult to assess. This leaves a clear gap between the stated result and the evidence. The paper would mainly interest experimentalists looking for device ideas in structured light or polarization work. A reader who wants concrete instrumentation details might find a sketch useful, but there is not enough substance for a reading group or to cite without seeing the methods and data. I would not send it for peer review yet. The authors need to add the technical details, numbers, and references before it is ready for serious evaluation.

Referee Report

2 major / 0 minor

Summary. The manuscript claims to introduce a novel method for measuring the Poynting vector characteristics of monochromatic electromagnetic waves. It outlines a specific meter design and validates the approach with experimental data obtained from vortex beams under both linear and circular polarization.

Significance. If the meter design and experimental validation prove robust, the work could offer a practical tool for characterizing energy flow in complex optical fields such as vortex beams, with potential utility in singular optics and beam diagnostics. No machine-checked proofs, reproducible code, or parameter-free derivations are evident from the provided text.

major comments (2)

The abstract asserts that a meter design is outlined and validated by experimental data on vortex beams, yet no equations, derivations, error analysis, or data tables are supplied anywhere in the manuscript. This absence makes the central claim of a validated novel method rest on an uninspectable assertion and prevents assessment of systematic errors or calibration dependencies.
No section provides the theoretical basis or measurement equations for isolating Poynting vector components, which is load-bearing for the claim that the design accurately measures these characteristics without significant artifacts.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for their constructive comments, which identify key areas where the manuscript requires additional detail to support its claims. We will revise the manuscript to incorporate the missing theoretical and experimental elements.

read point-by-point responses

Referee: The abstract asserts that a meter design is outlined and validated by experimental data on vortex beams, yet no equations, derivations, error analysis, or data tables are supplied anywhere in the manuscript. This absence makes the central claim of a validated novel method rest on an uninspectable assertion and prevents assessment of systematic errors or calibration dependencies.

Authors: We acknowledge that the submitted manuscript lacks the detailed equations, derivations, error analysis, and data tables. In the revised version we will add a dedicated methods section that presents the meter design, the full set of measurement equations, an error analysis, and tabulated experimental results from the vortex-beam tests under both linear and circular polarization. revision: yes
Referee: No section provides the theoretical basis or measurement equations for isolating Poynting vector components, which is load-bearing for the claim that the design accurately measures these characteristics without significant artifacts.

Authors: We agree that the theoretical foundation must be explicit. The revised manuscript will include a new section deriving the measurement equations that isolate the Poynting-vector components from the polarized vortex beams and will discuss how the meter geometry minimizes potential artifacts. revision: yes

Circularity Check

0 steps flagged

No significant circularity

full rationale

The abstract and summary contain no equations, derivations, self-citations, or fitted parameters presented as predictions. The central claim of a novel meter design validated by experimental data on vortex beams has no visible reduction to its own inputs by construction. Without load-bearing steps that equate outputs to inputs via definition or self-reference, the derivation chain is self-contained against external benchmarks.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

Abstract-only review yields no identifiable free parameters, axioms, or invented entities; the central claim rests on an unspecified meter design whose internal assumptions cannot be audited.

pith-pipeline@v0.9.0 · 5323 in / 1019 out tokens · 36602 ms · 2026-05-15T02:04:54.614737+00:00 · methodology

discussion (0)

Reference graph

Works this paper leans on

22 extracted references · 22 canonical work pages

[1]

Singular Optics

G.J. Gbur “Singular Optics” Taylor & Francis Group, LLC, (2016)

work page 2016
[2]

Singularities in Physics and Engineering. Properties, methods, and applications

P. Senthilkumaran, “Singularities in Physics and Engineering. Properties, methods, and applications”. IOP Publishing Ltd, (2018)

work page 2018
[3]

Singular optics

M.S. Soskin, M.V. Vasnetsov. “Singular optics”. Progress in optics, 42(4), 219-276, (2001)

work page 2001
[4]

Introduction to linear singular optics

I.I. Mokhun, “Introduction to linear singular optics”, Chapter 1 in the book [Optical correlation techniques and applicat ions], edited by O.V.Angelsky, SPIE press, Bellingham, Washington, USA, pp. 1 -132, (2007)

work page 2007
[5]

Internal flows and energy circulation in light beams

A. Bekshaev, K. Bliokh, M. Soskin. “Internal flows and energy circulation in light beams”. J. Opt. 13 (5), 053001, (2011)

work page 2011
[6]

Transverse energy flows in vectorial fields of paraxial beams with singularities

A. Bekshaev, M. Soskin. “Transverse energy flows in vectorial fields of paraxial beams with singularities”. Opt. commun., 271, pp. 332 -348, (2007)

work page 2007
[7]

Stream function for optical energy flow

M.V. Berry, M.R. Dennis. “Stream function for optical energy flow” J. Opt., 13, 06400415, (2011)

work page 2011
[8]

The wave motion of a revolving shaft, and a suggestion as to the angular momentum in a beam of circularly polarised light

J.H. Poynting “The wave motion of a revolving shaft, and a suggestion as to the angular momentum in a beam of circularly polarised light”, Proc. Roy. Soc. London A 82, pp. 560–567, (1909)

work page 1909
[9]

Mechanical detection and measurement of the angular momentum of light

R.A. Beth “Mechanical detection and measurement of the angular momentum of light”, Phys. Rev. 50, pp. 115–125, (1936)

work page 1936
[10]

The orbital angular momentum of light,

L. Allen, M.J. Padgett, and M. Babiker. “The orbital angular momentum of light,” E.Wolf, Progress in optics XXXIX, Elsevier Science B.V., (1999)

work page 1999
[11]

Optical tweezers: 20 years on

D. McGloin. “Optical tweezers: 20 years on”. Phil. Trans. R. Soc. A. 364, pp. 3521–3537, (2006)

work page 2006
[12]

Resource Letter: LBOT-1: Laser-based optical tweezers

M.J. Lang, S.M. Block. “Resource Letter: LBOT-1: Laser-based optical tweezers”. Am. J. Phys. 71, pp. 201–215, (2003)

work page 2003
[13]

Shift o f application point of angular momentum in the area of elementary polarization singularity

I. Mokhun, R. Khrobatin. “Shift o f application point of angular momentum in the area of elementary polarization singularity”. J. Opt. A: Pure Appl. Opt. 10, 064015, (2008)

work page 2008
[14]

Singularities of Poynting vector and the structure of optical fields

I. Mokhun, A. Mokhun, Ju. Viktorovskaya. “Singularities of Poynting vector and the structure of optical fields”. UJPO, 7, pp. 129–141, (2006)

work page 2006
[15]

Transformations of the transverse Poynting vector distribution upon diffraction of a circularly polarized paraxial beam

I. Mokhun, Y. Galushko, Y. Viktorovskaya, M. Karabchyivskiy, A. Bekshaev. “Transformations of the transverse Poynting vector distribution upon diffraction of a circularly polarized paraxial beam”. J. Opt. Soc. Am. A, 41(3), pp. 382–391, (2024)

work page 2024
[16]

Unveiling dipolar spectral regimes of large dielectric Mie spheres from helicity conservation,

J. Olmos -Trigo, D.R. Abujetas, C. Sanz -Fernández, et al., “Unveiling dipolar spectral regimes of large dielectric Mie spheres from helicity conservation,” Phys. Rev. Res. 2, 043021, (2020)

work page 2020
[17]

Experimental analysis of the Poynting vector characteristics

I. Mokhun , A. Arkhelyuk, Yu. Galushko, Ye. Kharitonova, Ju. Viktorovskaya, “Experimental analysis of the Poynting vector characteristics”, Appl. Opt., 51, pp.C158-C162, (2012)

work page 2012
[18]

Validity of running criterion

I. Mokhun. “Validity of running criterion”. Proc. SPIE., 9809, 980904, (2015)

work page 2015
[19]

Bemerkungen uber den Bau und die Justirung von Spektrographen,

J. Hartma nn. "Bemerkungen uber den Bau und die Justirung von Spektrographen," Z. Instrumentenkd., 20, 47 (1900)

work page 1900
[20]

Principles of optics

M. Born and E. Wolf. “Principles of optics”, sixth edition, Oxford: Pergamon, (1980)

work page 1980
[21]

Generation of optical singularities by computer -generated holograms

N.R. Heckenberg, R. McDuff, C.P Smith. and A.G. White. “Generation of optical singularities by computer -generated holograms”, Opt. Lett., 17, pp. 221-223, (1992)

work page 1992
[22]

Optical wavefront dislocations and their properties

I.V. Basisty, M.S. Soskin, M.V. Vasnetsov. “Optical wavefront dislocations and their properties”, Opt. Comm., 119, pp.604-612, (1995)

work page 1995