Publications by authors named "RK Heilmann"

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Axial shift mapping: a self-referencing test for measuring the axial figure of near-cylindrical surfaces.
Hayden J Wisniewski, Ralf K Heilmann, Mark L Schattenburg, Brandon D Chalifoux

Appl Opt· December 2023

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Optical design of diffraction-limited x-ray telescopes.
Brandon D Chalifoux, Ralf K Heilmann, Herman L Marshall, Mark L Schattenburg

Appl Opt· June 2020

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Compensating film stress in thin silicon substrates using ion implantation.
Brandon D Chalifoux, Youwei Yao, Kevin B Woller, Ralf K Heilmann, Mark L Schattenburg

Opt Express· April 2019

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Demonstration of resolving power λ/Δλ > 10,000 for a space-based x-ray transmission grating spectrometer.
Ralf K Heilmann, Jeffery Kolodziejczak, Alexander R Bruccoleri, Jessica A Gaskin, Mark L Schattenburg

Appl Opt· February 2019

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Thermal oxide patterning method for compensating coating stress in silicon substrates.
Youwei Yao, Brandon D Chalifoux, Ralf K Heilmann, Mark L Schattenburg

Opt Express· January 2019

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Correcting flat mirrors with surface stress: analytical stress fields.
Brandon D Chalifoux, Ralf K Heilmann, Mark L Schattenburg

J Opt Soc Am A Opt Image Sci Vis· October 2018

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Diffraction efficiency of 200-nm-period critical-angle transmission gratings in the soft x-ray and extreme ultraviolet wavelength bands.
Ralf K Heilmann, Minseung Ahn, Alex Bruccoleri, Chih-Hao Chang, Eric M Gullikson

Appl Opt· April 2011

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High-efficiency 5000 lines/mm multilayer-coated blazed grating for extreme ultraviolet wavelengths.
Dmitriy L Voronov, Minseung Ahn, Erik H Anderson, Rossana Cambie, Chih-Hao Chang, Ralf K Heilmann

Opt Lett· August 2010

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Fabrication of 50 nm period gratings with multilevel interference lithography.
Chih-Hao Chang, Y Zhao, R K Heilmann, M L Schattenburg

Opt Lett· July 2008

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Blazed high-efficiency x-ray diffraction via transmission through arrays of nanometer-scale mirrors.
Ralf K Heilmann, Minseung Ahn, Eric M Gullikson, Mark L Schattenburg

Opt Express· June 2008

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Design of a double-pass shear mode acousto-optic modulator.
Chih-Hao Chang, R K Heilmann, M L Schattenburg, P Glenn

Rev Sci Instrum· March 2008

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Near-normal-incidence extreme-ultraviolet efficiency of a flat crystalline anisotropically etched blazed grating.
Michael P Kowalski, Ralf K Heilmann, Mark L Schattenburg, Chih-Hao Chang, Frederick B Berendse

Appl Opt· March 2006

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Efficiency of a grazing-incidence off-plane grating in the soft-x-ray region.
J F Seely, L I Goray, Benjawan Kjornrattanawanich, J M Laming, G E Holland, R K Heilmann

Appl Opt· March 2006

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Monolayer/bilayer transition in Langmuir films of derivatized gold nanoparticles at the gas/water interface: an x-ray scattering study.
Masafumi Fukuto, Ralf K Heilmann, Peter S Pershan, Antonella Badia, R Bruce Lennox

J Chem Phys· February 2004

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Confinement-induced order of tethered alkyl chains at the water/vapor interface.
M Fukuto, R K Heilmann, P S Pershan, S M Yu, C M Soto

Phys Rev E Stat Nonlin Soft Matter Phys· July 2002

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Analyses of vector Gaussian beam propagation and the validity of paraxial and spherical approximations.
Carl G Chen, Paul T Konkola, Juan Ferrera, Ralf K Heilmann, Mark L Schattenburg

J Opt Soc Am A Opt Image Sci Vis· February 2002

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Rotationally symmetric ordered phase in the three-state antiferromagnetic Potts model.
RK Heilmann, JS Wang, RH Swendsen

Phys Rev B Condens Matter· February 1996

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