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Polarization of III-nitride blue and ultraviolet light-emitting diodes
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10.1063/1.1875751
/content/aip/journal/apl/86/9/10.1063/1.1875751
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/9/10.1063/1.1875751
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagrams of (a) 458 nm blue and (b) 333 nm UV LED structures.

Image of FIG. 2.
FIG. 2.

Schematic diagram of the experimental setup to measure the angle and polarization resolved EL spectra of LEDs. The rotational stage has an translator stage holding LEDs and can be rotated about the axis. Light emitted along the axis passing through a pinhole and cube polarizer is ultimately detected by a spectrometer. The polarizer cube was mounted on 360° rotational stage which selects either the or the component.

Image of FIG. 3.
FIG. 3.

and components of EL spectra of (a) blue LED and (b) UV LED at . Both LEDs were driven with a 20 mA forward current.

Image of FIG. 4.
FIG. 4.

Angular dependence of the peak EL intensities of and components of (a) blue LED and (b) UV LED emissions. (c) The degree of polarization of blue and UV LEDs.

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/content/aip/journal/apl/86/9/10.1063/1.1875751
2005-02-25
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Polarization of III-nitride blue and ultraviolet light-emitting diodes
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/9/10.1063/1.1875751
10.1063/1.1875751
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