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Publication Citation: Binary amplitude holograms made from dyed photoresist

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Author(s): Quandou (. Wang; Ulf Griesmann; John H. Burnett;
Title: Binary amplitude holograms made from dyed photoresist
Published: May 13, 2011
Abstract: A method for fabricating binary amplitude holograms from a dyed photoresist is described. It is of particular interest for holograms that are used as null lenses in the form metrology of aspheric surfaces and wavefronts. A pigment that strongly absorbs light near 633 nm was dissolved in a positive photoresist and the dyed resist was spun onto silica glass substrates. Stable resist layers were obtained, that were essentially opaque at 633 nm with little effect on the transmittance of the resist in the ultraviolet. A Fresnel zone plate was fabricated from the dyed resist layer using contact lithography at 436 nm (g-line), and its performance was demonstrated at 633 nm.
Citation: Optics Letters
Keywords: diffractive optics, lithography
Research Areas: Optical Metrology
PDF version: PDF Document Click here to retrieve PDF version of paper (405KB)