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Nanoimprinted circular grating distributed feedback dye laser
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10.1063/1.2757600
/content/aip/journal/apl/91/5/10.1063/1.2757600
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/5/10.1063/1.2757600
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

General design of a circular grating distributed feedback structure.

Image of FIG. 2.
FIG. 2.

(Color online) Schematic fabrication process of circular grating polymer dye laser.

Image of FIG. 3.
FIG. 3.

SEM images of (a) the mold and (b) the imprinted PMMA film.

Image of FIG. 4.
FIG. 4.

(Color online) Nanoimprinted circular grating DFB dye laser spectrum. The measured linewidth is . Left inset: the output laser power vs the absorbed pump energy curve. The threshold pump fluence is . Right inset: polymer laser chip excited by Nd:YAG laser pulse.

Image of FIG. 5.
FIG. 5.

(Color online) (a) Far-field image of the emission pattern recorded by a CCD camera. (b) Circular grating DFB laser far-field radiation patterns through a linear polarizer with different orientation angles. The laser emits an azimuthally polarized, well-confined circular beam.

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/content/aip/journal/apl/91/5/10.1063/1.2757600
2007-07-31
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Nanoimprinted circular grating distributed feedback dye laser
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/5/10.1063/1.2757600
10.1063/1.2757600
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