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HeliosReflect

Publications

A technical library in evolution

The White Paper and institutional presentation are publicly available. Technical volumes II–IV are shared with scientific and institutional collaborators under confidentiality agreement.

White Paper

The White Paper and institutional presentation are publicly available. Technical volumes II–IV are shared with scientific and institutional collaborators under confidentiality agreement.

White Paper
Public

White Paper · Volume I

General project overview

Overview of HeliosReflect: the problem it addresses, the experimental HR-DOC architecture, the application hypotheses and the validation status. Publicly accessible document.

2026-07Learn more
Article
Public

Presentation · HeliosReflect

Institutional executive summary

Executive summary of the project: motivation, HR-DOC conceptual architecture, application hypotheses and roadmap. Downloadable institutional presentation.

Technical volume
Restricted access

Technical volume II

Mathematical and optical foundations

Contains the analytical proof of the composite mapping of two confocal paraboloids, symbolic verification with exact computation, étendue conservation analysis and the thermodynamic concentration limit. Available to scientific collaborators under NDA.

Technical volume
Restricted access

Technical volume III

Simulation and numerical validation

Contains the 200,000-ray Monte Carlo simulation, parametric studies of manufacturing tolerances and model-simulation comparison. Available to scientific collaborators under NDA.

Technical volume
Restricted access

Technical volume IV

Experimental validation programme

Defines the seven laboratory tests of the experimental validation programme: geometric calibration, focus verification, beam characterisation, temporal stability and model-experiment comparison. Available to institutional collaborators under NDA.

Simulation
Public

200,000-ray Monte Carlo simulation

Numerical validation of HR-DOC

Public summary of the numerical validation: capture above 98 % for the real solar disc, collimation and étendue conservation.

2026-07Learn more
Article
Public

Status of the theoretical validation of HR-DOC

Public technical summary

What has been demonstrated, with which method and what remains pending. The basis of the Transparency Center.

2026-08Learn more
Article
Public

Collaboration manifesto

An invitation to the scientific community

The principles of the project: rigour, falsifiability, transparency about what is not demonstrated and openness to independent validation.

2026-07Learn more

HeliosReflect

News

2026-08-01

Theoretical validation of HR-DOC closed

The analytical, symbolic and simulation validation of the central hypothesis is closed. The next step is independent optical simulation and the experimental programme.

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2026-07-20

White Paper Volume I published

The White Paper gathering the general vision of the project is now publicly available.

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2026-07-10

Monte Carlo simulation completed

The 200,000-ray simulation confirms capture above 98 % and respect of the thermodynamic concentration limit.

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Technical documentation for collaborators

The complete mathematical foundations, detailed simulation data and experimental validation programme form part of the reserved technical documentation. Shared with scientific and institutional collaborators under confidentiality agreement.

Publications

The complete mathematical foundations, detailed simulation data and experimental validation programme form part of the reserved technical documentation. Shared with scientific and institutional collaborators under confidentiality agreement.