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Replicated photonic crystals by atomic layer deposition within holographically defined polymer templates
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10.1063/1.3159834
/content/aip/journal/apl/94/26/10.1063/1.3159834
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/26/10.1063/1.3159834
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEMs of the top (111) surfaces of template, inverted and doubly inverted PCs for templates (left column) and (right column): [(a) and (b)] holographically defined SU-8 polymer templates with calculated isointensity surfaces inset; [(c) and (d)] inverse replicas after removal of SU-8; [(e) and (f)] direct shell-type replicas of the holographic template created by a second conformal infiltration with (template ) or GaP (template ) followed by removal of . Ion milling of the top surfaces in (c), (d), and (f) reveals trapped voids within the shell-type replica. Images [(g) and (h)] show fractured surfaces of the and GaP replicas, respectively, both revealing successful infiltration through several layers of the lattice. (All scale bars are 500 nm.)

Image of FIG. 2.
FIG. 2.

Normal incidence reflectance spectra for template : (a) initial holographically defined polymer PC and (b) replica. The centers (FWHM) of the reflectivity peaks corresponding to the fundamental photonic band gaps were 1260 nm (13%) and 1400 nm (23%) for the polymer (a) and replicated (b) PCs, respectively. The hatched areas indicate the band gaps in the direction, calculated using MPB.

Image of FIG. 3.
FIG. 3.

Normal incidence reflectance spectra for template : (a) initial polymer PC and (b) GaP replica. The centers (FWHM) of the reflectivity peaks corresponding to the fundamental photonic band gaps were 740 nm (7%) and 850 nm (15%), respectively. The hatched areas indicate the band gap between the second and third bands in the direction, calculated using MPB.

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/content/aip/journal/apl/94/26/10.1063/1.3159834
2009-07-01
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Replicated photonic crystals by atomic layer deposition within holographically defined polymer templates
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/26/10.1063/1.3159834
10.1063/1.3159834
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