LOW-TEMPERATURE HERMETIC SEALING FOR DIFFRACTIVE OPTICAL ELEMENT STACKS
A method for producing an optical apparatus includes providing a pair of glass wafers (42). One or more diffractive optical elements (DOEs) (44) are formed on one or more of the glass wafers. A spacer (36) is positioned between the glass wafers so as to define a cavity (40) containing the DOEs, and...
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| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | A method for producing an optical apparatus includes providing a pair of glass wafers (42). One or more diffractive optical elements (DOEs) (44) are formed on one or more of the glass wafers. A spacer (36) is positioned between the glass wafers so as to define a cavity (40) containing the DOEs, and a hermetic seal that bonds the glass wafers together and seals the cavity is formed. |
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