• Skip to primary navigation
  • Skip to main content
  • Skip to footer

info@raymond.rumpf.com

  • Email
  • Facebook
  • LinkedIn
  • YouTube
Raymond Rumpf logo

Raymond Rumpf

Professor, Innovator, Author, Researcher

  • Course Offerings
    • Academic Materials
    • EMPossible Courses
  • Research
    • EMLab
    • Hybrid 3D Printing
    • 3D Printed Electronics
    • Spatially Variant Lattices
    • Photonics
    • Electromagnetics
    • Computational Electromagnetics
    • EMLab Capabilities
  • Publications
  • News
  • About Dr. Rumpf
Contact Us

Publications

ResearchGate Profile
Google Scholar Profile

Show all

2004

Rumpf, Raymond C; Johnson, Eric G

Fully three-dimensional modeling of the fabrication and behavior of photonic crystals formed by holographic lithography Journal Article

In: JOSA A, vol. 21, no. 9, pp. 1703-1713, 2004, ISSN: 1520-8532.

Abstract | Links | BibTeX | Tags: face-centered-cubic photonic crystal, holographic lithography, optical absorption, photonic crystals

@article{RN23,
title = {Fully three-dimensional modeling of the fabrication and behavior of photonic crystals formed by holographic lithography},
author = {Raymond C Rumpf and Eric G Johnson},
url = {https://www.osapublishing.org/josaa/abstract.cfm?uri=josaa-21-9-1703},
doi = {https://doi.org/10.1364/JOSAA.21.001703},
issn = {1520-8532},
year = {2004},
date = {2004-05-01},
urldate = {2004-05-01},
journal = {JOSA A},
volume = {21},
number = {9},
pages = {1703-1713},
abstract = {A comprehensive and fully three-dimensional model of holographic lithography is used to predict more rigorously the geometry and transmission spectra of photonic crystals formed in Epon ®  SU-8 photoresist. It is the first effort known to the authors to incorporate physics of exposure, postexposure baking, and developing into three-dimensional models of photonic crystals. Optical absorption, reflections, standing waves, refraction, beam coherence, acid diffusion, resist shrinkage, and developing effects combine to distort lattices from their ideal geometry. These are completely neglected by intensity-threshold methods used throughout the literature to predict lattices. Numerical simulations compare remarkably well with experimental results for a face-centered-cube (FCC) photonic crystal. Absorption is shown to produce chirped lattices with broadened bandgaps. Reflections are shown to significantly alter lattice geometry and reduce image contrast. Through simulation, a diamond lattice is formed by multiple exposures, and a hybrid trigonal–FCC lattice is formed that exhibits properties of both component lattices.},
keywords = {face-centered-cubic photonic crystal, holographic lithography, optical absorption, photonic crystals},
pubstate = {published},
tppubtype = {article}
}

Close

A comprehensive and fully three-dimensional model of holographic lithography is used to predict more rigorously the geometry and transmission spectra of photonic crystals formed in Epon ®  SU-8 photoresist. It is the first effort known to the authors to incorporate physics of exposure, postexposure baking, and developing into three-dimensional models of photonic crystals. Optical absorption, reflections, standing waves, refraction, beam coherence, acid diffusion, resist shrinkage, and developing effects combine to distort lattices from their ideal geometry. These are completely neglected by intensity-threshold methods used throughout the literature to predict lattices. Numerical simulations compare remarkably well with experimental results for a face-centered-cube (FCC) photonic crystal. Absorption is shown to produce chirped lattices with broadened bandgaps. Reflections are shown to significantly alter lattice geometry and reduce image contrast. Through simulation, a diamond lattice is formed by multiple exposures, and a hybrid trigonal–FCC lattice is formed that exhibits properties of both component lattices.

Close

  • https://www.osapublishing.org/josaa/abstract.cfm?uri=josaa-21-9-1703
  • doi:https://doi.org/10.1364/JOSAA.21.001703

Close

Footer

Sitemap

  • Course Offerings
  • Research
  • Publications
  • News
  • About Dr. Rumpf
  • Home

Connect with me

  • Email
  • LinkedIn
  • YouTube

Copyright © 2022 Raymond C. Rumpf. All rights reserved. Return to top