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Proceedings Paper

Femtosecond laser written embedded diffractive optical elements and their applications
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Paper Abstract

Femtosecond laser direct writing (FLDW) has been widely employed to create volumetric structures in transparent materials that are applicable as various photonic devices such as active and passive waveguides, couplers, gratings, and diffractive optical elements (DOEs). The advantages of fabrication of volumetric DOEs using FLDW include not only the ability to produce embedded 3D structures but also a simple fabrication scheme, ease of customization, and a clean process. DOE fabrication techniques using FLDW are presented as well as the characterization of laserwritten DOEs by various methods such as diffraction efficiency measurement. Fresnel zone plates were fabricated in oxide glasses using various femtosecond laser systems in high and low repetition rate regimes. The diffraction efficiency as functions of fabrication parameters was measured to investigate the dependence on the different fabrication parameters such as repetition rate and laser dose. Furthermore, several integration schemes of DOE with other photonic structures are demonstrated for compact photonic device fabrication.

Paper Details

Date Published: 25 February 2010
PDF: 7 pages
Proc. SPIE 7589, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications X, 75891A (25 February 2010); doi: 10.1117/12.843697
Show Author Affiliations
Jiyeon Choi, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Mark Ramme, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Troy Anderson, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Martin C. Richardson, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)


Published in SPIE Proceedings Vol. 7589:
Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications X
Alexander Heisterkamp; Joseph Neev; Stefan Nolte; Rick P. Trebino, Editor(s)

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