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Published June 10, 2005 | public
Journal Article Open

Holography in commercially available photoetchable glasses


Volume holographic gratings are recorded and retrieved in two commercially available glasses: Schott Foturan and Hoya PEG3. These materials are photoetchable, which describes their major application, but they also allow storage of volume holograms without any chemical etching. The samples are illuminated with ultraviolet light at a wavelength of 325 nm and thermally processed to achieve a maximum diffraction efficiency of approximately 9% for a 1-mm-thick sample. The two glasses show similar behavior; the diffraction efficiencies in Foturan tend to be slightly larger, whereas PEG3 tends to have weaker light scattering.

Additional Information

© 2005 Optical Society of America Received 25 October 2004; revised manuscript received 10 February 2005; accepted 11 February 2005. The authors thank M. Wengler for giving vital information on the experiments and the analysis. The research at Caltech was financially supported by the National Science Foundation Engineering Research Center and a German Academic Exchange Service scholarship.


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