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Dual exposure, two-photon, conformal phase mask lithography for three dimensional silicon inverse woodpile photonic crystals

Journal Article · · Journal of Vacuum Science and Technology B
DOI:https://doi.org/10.1116/1.3456181· OSTI ID:1875137
 [1];  [2];  [2];  [2];  [2];  [2]
  1. Univ. of Illinois at Urbana-Champaign, IL (United States); Univ. of California, Santa Barbara, CA (United States); University of Illinois
  2. Univ. of Illinois at Urbana-Champaign, IL (United States); Univ. of California, Santa Barbara, CA (United States)

The authors describe the fabrication and characterization of three dimensional silicon inverse woodpile photonic crystals. Here, a dual exposure, two-photon, conformal phasemask technique is used to create high quality polymer woodpile structures over large areas with geometries that quantitatively match expectations based on optical simulations. Depositing silicon into these templates followed by the removal of the polymer results in silicon inverse woodpile photonic crystals for which calculations indicate a wide, complete photonic bandgap over a range of structural fill fractions. Spectroscopic measurements of normal incidence reflection from both the polymer and silicon photonic crystals reveal good optical properties.

Research Organization:
Univ. of Illinois at Urbana-Champaign, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division
Grant/Contract Number:
FG02-07ER46471; SC0001293; FG02-07ER46453
OSTI ID:
1875137
Alternate ID(s):
OSTI ID: 1380396
Journal Information:
Journal of Vacuum Science and Technology B, Journal Name: Journal of Vacuum Science and Technology B Journal Issue: 4 Vol. 28; ISSN 2166-2746
Publisher:
American Vacuum Society / AIPCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (6)

Fabrication of Nanoshell-Based 3D Periodic Structures by Templating Process using Solution-derived ZnO journal June 2017
Rapid and Large‐Scale Fabrication of Full Color Woodpile Photonic Crystals via Interference from a Conformal Multilevel Phase Mask journal August 2019
Conformable Solid-Index Phase Masks Composed of High-Aspect-Ratio Micropillar Arrays and Their Application to 3D Nanopatterning journal January 2011
25th Anniversary Article: Ordered Polymer Structures for the Engineering of Photons and Phonons journal December 2013
Three-dimensional micro/nanoscale architectures: fabrication and applications journal January 2015
Ultrafast laser processing of materials: a review journal January 2015

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