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Photonic bands in two-dimensional microplasma arrays. II. Band gaps observed in millimeter and subterahertz ranges
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10.1063/1.2713940
/content/aip/journal/jap/101/7/10.1063/1.2713940
http://aip.metastore.ingenta.com/content/aip/journal/jap/101/7/10.1063/1.2713940
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Schematic view of plasma photonic crystal and millimeter setup for detection of wave propagation. Drawn patterns of electric field are in TE mode.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Schematic view of electrode configuration with lattice constant of . (b) Visible emission pattern of array of microplasma columns in a side view.

Image of FIG. 3.
FIG. 3.

(Color online) (a) Time evolutions of applied and discharge voltages and discharge currents. Solid and dotted lines in voltage indicate signals at supply output and on electrode, respectively. (b) Transmittance signal of millimeter waves in TE mode. (c) Transmittance signal of millimeter waves in TM mode.

Image of FIG. 4.
FIG. 4.

(Color online) (a) Time evolutions of discharge currents for various applied monopolar voltage . (b) Frequency dependence of transmittance signals of millimeter waves in TE mode as a function of . Discharge gas was He at , , and the row number of plasma columns is 30.

Image of FIG. 5.
FIG. 5.

(Color online) (a) Time evolutions of discharge currents for various He gas pressure. (b) Frequency dependence of transmittance signals of millimeter waves in TE mode as a function of gas pressure. , , and the row number of plasma columns is 30.

Image of FIG. 6.
FIG. 6.

(Color online) Frequency dependence of transmittance signals of millimeter waves in TE mode as a function of row numbers of plasma columns along wave propagation. Discharge gas was He at , , and .

Image of FIG. 7.
FIG. 7.

(Color online) (a) Schematic view of electrode configuration with lattice constant of and visible emission pattern of array of microplasma columns in a side view. (b) Frequency dependence of transmittance signals of millimeter waves in TE mode. Discharge gas was He at , , , and the row number of plasma columns is 33.

Image of FIG. 8.
FIG. 8.

(Color online) Band gap frequency as a function of lattice constant.

Image of FIG. 9.
FIG. 9.

(Color online) Detailed dispersion around point drawn in two-dimensional wave number plane. Collisionless plasma column has a diameter of in a square lattice with lattice constant of and the electron density was .

Image of FIG. 10.
FIG. 10.

(Color online) (a) Numerical results of electric fields in supercell method without plasmas. Calculated data are repeated laterally to show continuity between supercells. Calculation geometry of arrangement of two-dimensional plasma column for “supercell” method by FDM is also shown. (b) Numerical results of electric fields in supercell method with collisionless plasmas with electron density of .

Image of FIG. 11.
FIG. 11.

(Color online) (a) Numerical results of transmittance as a function of electron density and column rows calculated using “supercell” method by FDM. Inset: horizontal lines are experimental results displayed in Fig. 6.

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/content/aip/journal/jap/101/7/10.1063/1.2713940
2007-04-06
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Photonic bands in two-dimensional microplasma arrays. II. Band gaps observed in millimeter and subterahertz ranges
http://aip.metastore.ingenta.com/content/aip/journal/jap/101/7/10.1063/1.2713940
10.1063/1.2713940
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