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Updated: May 23, 2026

Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating

Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating

Published on: October 11, 2016

Subwavelength cylindrical grating by holistic phase-mask coordinate transform.

S Tonchev¹, Y Jourlin, C Veillas

¹Laboratoire Hubert Curien, UMR CNRS 5516, Université de Lyon, 18 rue Benoit Lauras, 42000 Saint-Etienne, France.

|March 29, 2012

Summary

This summary is machine-generated.

Researchers fabricated a periodic grating on a cylinder

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Area of Science:

Optics and Photonics
Materials Science

Background:

Achieving spatial coherence in 3D is challenging.
Planar fabrication methods are limited to 2D applications.

Purpose of the Study:

To extend 2D spatial coherence techniques to 3D cylindrical geometries.
To enable new applications in cylindrical optics and wave manipulation.

Main Methods:

Fabrication of a periodic grating on a cylinder's inner wall.
Utilizing a circularly symmetrical planar high index phase mask.
Exposure to a cylindrical wave for pattern transfer.

Main Results:

Successfully created a periodic grating with an integer number of periods on a cylindrical surface.
Demonstrated the transfer of spatial coherence features from planar to cylindrical systems.
Established a method for fabricating 3D periodic structures.

Conclusions:

The developed method allows for the creation of 3D periodic structures on cylindrical elements.
This technique extends spatial coherence capabilities to cylindrical wave applications.
Opens possibilities for advanced optical elements and devices in 3D.