Diffractive optical elements for optical identification
We present the design and fabrication of diffractive optical elements for optical identification purposes. Two methods for optical identification are discussed. In this feasibility study, approaches using one and two binary reflective diffraction gratings are demonstrated. The diffraction orders of...
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| Veröffentlicht in: | Applied optics (2004) 2015-03, Vol.54 (7), p.1606-1611 |
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| container_end_page | 1611 |
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| container_title | Applied optics (2004) |
| container_volume | 54 |
| creator | Gandhi, Vishal Orava, Joni Tuovinen, Hemmo Saastamoinen, Toni Laukkanen, Janne Honkanen, Seppo Hauta-Kasari, Markku |
| description | We present the design and fabrication of diffractive optical elements for optical identification purposes. Two methods for optical identification are discussed. In this feasibility study, approaches using one and two binary reflective diffraction gratings are demonstrated. The diffraction orders of the grating/gratings are used as a binary code for optical identification. The gratings are designed using the iterative Fourier transform algorithm for an incoming coherent monochromatic laser beam (633 nm, He-Ne laser). The microrelief structures are fabricated by a combination of atomic layer deposition and electron beam lithography. The scanning electron microscope images show good quality of diffraction gratings. Optical characterization and measurement results demonstrate the feasibility of the proposed identification methods. |
| doi_str_mv | 10.1364/AO.54.001606 |
| format | Article |
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Two methods for optical identification are discussed. In this feasibility study, approaches using one and two binary reflective diffraction gratings are demonstrated. The diffraction orders of the grating/gratings are used as a binary code for optical identification. The gratings are designed using the iterative Fourier transform algorithm for an incoming coherent monochromatic laser beam (633 nm, He-Ne laser). The microrelief structures are fabricated by a combination of atomic layer deposition and electron beam lithography. The scanning electron microscope images show good quality of diffraction gratings. Optical characterization and measurement results demonstrate the feasibility of the proposed identification methods.</description><subject>Binary codes</subject><subject>Diffraction gratings</subject><subject>Diffractive optical elements</subject><subject>Electron beam lithography</subject><subject>Fourier transforms</subject><subject>Gratings (spectra)</subject><subject>Laser beams</subject><subject>Scanning electron microscopy</subject><issn>1559-128X</issn><issn>2155-3165</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNo9kE1LxDAURYMoWEd3_oAuXdj6kpe06bKMnzAwGwV3IU3zINJOx6Qj-O-tjLi6h8PlLi5j1xxKjpW8a7elkiUAr6A6YZngShXIK3XKsgWbggv9fs4uUvoAQCWbOmP1fSCK1s3hy-fTfg7ODrkf_Oh3c8ppiv8y9IsKtPAcpt0lOyM7JH_1lyv29vjwun4uNtunl3W7KRyingsu0UGHAiWQQiLRWWx0TU5oqTXZjvquFrJvBEeUiJXVla2dJXROAne4YjfH3X2cPg8-zWYMyflhsDs_HZLhGjQozRGW6u2x6uKUUvRk9jGMNn4bDub3H9NujZLm-A_-ANF6V6M</recordid><startdate>20150301</startdate><enddate>20150301</enddate><creator>Gandhi, Vishal</creator><creator>Orava, Joni</creator><creator>Tuovinen, Hemmo</creator><creator>Saastamoinen, Toni</creator><creator>Laukkanen, Janne</creator><creator>Honkanen, Seppo</creator><creator>Hauta-Kasari, Markku</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20150301</creationdate><title>Diffractive optical elements for optical identification</title><author>Gandhi, Vishal ; Orava, Joni ; Tuovinen, Hemmo ; Saastamoinen, Toni ; Laukkanen, Janne ; Honkanen, Seppo ; Hauta-Kasari, Markku</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c338t-143c0b32340f53ff2ba3987fc28488fabfdb724d921334336a86a7caf3cc401c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Binary codes</topic><topic>Diffraction gratings</topic><topic>Diffractive optical elements</topic><topic>Electron beam lithography</topic><topic>Fourier transforms</topic><topic>Gratings (spectra)</topic><topic>Laser beams</topic><topic>Scanning electron microscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gandhi, Vishal</creatorcontrib><creatorcontrib>Orava, Joni</creatorcontrib><creatorcontrib>Tuovinen, Hemmo</creatorcontrib><creatorcontrib>Saastamoinen, Toni</creatorcontrib><creatorcontrib>Laukkanen, Janne</creatorcontrib><creatorcontrib>Honkanen, Seppo</creatorcontrib><creatorcontrib>Hauta-Kasari, Markku</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied optics (2004)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gandhi, Vishal</au><au>Orava, Joni</au><au>Tuovinen, Hemmo</au><au>Saastamoinen, Toni</au><au>Laukkanen, Janne</au><au>Honkanen, Seppo</au><au>Hauta-Kasari, Markku</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Diffractive optical elements for optical identification</atitle><jtitle>Applied optics (2004)</jtitle><date>2015-03-01</date><risdate>2015</risdate><volume>54</volume><issue>7</issue><spage>1606</spage><epage>1611</epage><pages>1606-1611</pages><issn>1559-128X</issn><eissn>2155-3165</eissn><abstract>We present the design and fabrication of diffractive optical elements for optical identification purposes. Two methods for optical identification are discussed. In this feasibility study, approaches using one and two binary reflective diffraction gratings are demonstrated. The diffraction orders of the grating/gratings are used as a binary code for optical identification. The gratings are designed using the iterative Fourier transform algorithm for an incoming coherent monochromatic laser beam (633 nm, He-Ne laser). The microrelief structures are fabricated by a combination of atomic layer deposition and electron beam lithography. The scanning electron microscope images show good quality of diffraction gratings. Optical characterization and measurement results demonstrate the feasibility of the proposed identification methods.</abstract><doi>10.1364/AO.54.001606</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1559-128X |
| ispartof | Applied optics (2004), 2015-03, Vol.54 (7), p.1606-1611 |
| issn | 1559-128X 2155-3165 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1808058130 |
| source | Optica Publishing Group Journals |
| subjects | Binary codes Diffraction gratings Diffractive optical elements Electron beam lithography Fourier transforms Gratings (spectra) Laser beams Scanning electron microscopy |
| title | Diffractive optical elements for optical identification |
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