Title

Super resolution hybrid analog-digital optical beam profiler using digital micromirror device

Authors

Authors

N. A. Riza;F. N. Ghauri

Comments

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Abbreviated Journal Title

IEEE Photonics Technol. Lett.

Keywords

digital micromirror device (DMD); laser beams; laser measurement; applications; laser measurements; Engineering, Electrical & Electronic; Optics; Physics, Applied

Abstract

Demonstrated for the first time is a hybrid analog-digital laser beam profiler based on analog fine motion of a digital micromirror device (DMD) and within-chip digital micromirror controls. The profiler can operate with high-power watt-level laser beams, providing both submicron-level high resolution and wide area profiling coverage. The demonstrated profiler tested over a 600-mu m zone using a 1550-nm Gaussian beam shows a 2-mu m profiling edge movement resolution limited by the analog motion mechanics.

Journal Title

Ieee Photonics Technology Letters

Volume

17

Issue/Number

7

Publication Date

1-1-2005

Document Type

Article

Language

English

First Page

1492

Last Page

1494

WOS Identifier

WOS:000230052900044

ISSN

1041-1135

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