SYSTEM AND METHODS OF PHASE DIVERSITY WAVEFRONT SENSING
A phase diversity wavefront sensor includes an optical system including at least one optical element for receiving a light beam; a diffractive optical element having a diffractive pattern defining a filter function, the diffractive optical element being arranged to produce, in conjunction with the o...
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| creator | CAMPBELL DALGARNO, HEATHER I FAICHNIE, DAVID M FARRER, STEPHEN W RAYMOND, THOMAS D NEAL, DANIEL R PULASKI, PAUL CRAIK, GRAHAM N GREENAWAY, ALAN H |
| description | A phase diversity wavefront sensor includes an optical system including at least one optical element for receiving a light beam; a diffractive optical element having a diffractive pattern defining a filter function, the diffractive optical element being arranged to produce, in conjunction with the optical system, images from the light beam associated with at least two diffraction orders; and a detector for detecting the images and outputting image data corresponding to the detected images. In one embodiment, the optical system, diffractive optical element, and detector are arranged to provide telecentric, pupil plane images of the light beam. A processor receives the image data from the detector, and executes a Gerchberg- Saxton phase retrieval algorithm to measure the wavefront of the light beam. |
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In one embodiment, the optical system, diffractive optical element, and detector are arranged to provide telecentric, pupil plane images of the light beam. A processor receives the image data from the detector, and executes a Gerchberg- Saxton phase retrieval algorithm to measure the wavefront of the light beam.</description><language>eng ; fre</language><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS ; COLORIMETRY ; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS ; FILTERS IMPLANTABLE INTO BLOOD VESSELS ; FIRST-AID KITS ; FOMENTATION ; HUMAN NECESSITIES ; HYGIENE ; MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT ; MEASURING ; MEDICAL OR VETERINARY SCIENCE ; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES ; PHYSICS ; PROSTHESES ; RADIATION PYROMETRY ; TESTING ; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES ; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR ; TREATMENT OR PROTECTION OF EYES OR EARS</subject><creationdate>2017</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170718&DB=EPODOC&CC=CA&NR=2912003C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170718&DB=EPODOC&CC=CA&NR=2912003C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CAMPBELL DALGARNO, HEATHER I</creatorcontrib><creatorcontrib>FAICHNIE, DAVID M</creatorcontrib><creatorcontrib>FARRER, STEPHEN W</creatorcontrib><creatorcontrib>RAYMOND, THOMAS D</creatorcontrib><creatorcontrib>NEAL, DANIEL R</creatorcontrib><creatorcontrib>PULASKI, PAUL</creatorcontrib><creatorcontrib>CRAIK, GRAHAM N</creatorcontrib><creatorcontrib>GREENAWAY, ALAN H</creatorcontrib><title>SYSTEM AND METHODS OF PHASE DIVERSITY WAVEFRONT SENSING</title><description>A phase diversity wavefront sensor includes an optical system including at least one optical element for receiving a light beam; a diffractive optical element having a diffractive pattern defining a filter function, the diffractive optical element being arranged to produce, in conjunction with the optical system, images from the light beam associated with at least two diffraction orders; and a detector for detecting the images and outputting image data corresponding to the detected images. 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STENTS</subject><subject>FILTERS IMPLANTABLE INTO BLOOD VESSELS</subject><subject>FIRST-AID KITS</subject><subject>FOMENTATION</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT</subject><subject>MEASURING</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</subject><subject>PHYSICS</subject><subject>PROSTHESES</subject><subject>RADIATION PYROMETRY</subject><subject>TESTING</subject><subject>TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES</subject><subject>TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</subject><subject>TREATMENT OR PROTECTION OF EYES OR EARS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAPjgwOcfVVcPRzUfB1DfHwdwlW8HdTCPBwDHZVcPEMcw0K9gyJVAh3DHN1C_L3C1EIdvUL9vRz52FgTUvMKU7lhdLcDPJuriHOHrqpBfnxqcUFicmpeakl8c6ORpaGRgYGxs7GhFUAALGzJ24</recordid><startdate>20170718</startdate><enddate>20170718</enddate><creator>CAMPBELL DALGARNO, HEATHER I</creator><creator>FAICHNIE, DAVID M</creator><creator>FARRER, STEPHEN W</creator><creator>RAYMOND, THOMAS D</creator><creator>NEAL, DANIEL R</creator><creator>PULASKI, PAUL</creator><creator>CRAIK, GRAHAM N</creator><creator>GREENAWAY, ALAN H</creator><scope>EVB</scope></search><sort><creationdate>20170718</creationdate><title>SYSTEM AND METHODS OF PHASE DIVERSITY WAVEFRONT SENSING</title><author>CAMPBELL DALGARNO, HEATHER I ; FAICHNIE, DAVID M ; FARRER, STEPHEN W ; RAYMOND, THOMAS D ; NEAL, DANIEL R ; PULASKI, PAUL ; CRAIK, GRAHAM N ; GREENAWAY, ALAN H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2912003C3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2017</creationdate><topic>BANDAGES, DRESSINGS OR ABSORBENT PADS</topic><topic>COLORIMETRY</topic><topic>DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS</topic><topic>FILTERS IMPLANTABLE INTO BLOOD VESSELS</topic><topic>FIRST-AID KITS</topic><topic>FOMENTATION</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT</topic><topic>MEASURING</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</topic><topic>PHYSICS</topic><topic>PROSTHESES</topic><topic>RADIATION PYROMETRY</topic><topic>TESTING</topic><topic>TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES</topic><topic>TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</topic><topic>TREATMENT OR PROTECTION OF EYES OR EARS</topic><toplevel>online_resources</toplevel><creatorcontrib>CAMPBELL DALGARNO, HEATHER I</creatorcontrib><creatorcontrib>FAICHNIE, DAVID M</creatorcontrib><creatorcontrib>FARRER, STEPHEN W</creatorcontrib><creatorcontrib>RAYMOND, THOMAS D</creatorcontrib><creatorcontrib>NEAL, DANIEL R</creatorcontrib><creatorcontrib>PULASKI, PAUL</creatorcontrib><creatorcontrib>CRAIK, GRAHAM N</creatorcontrib><creatorcontrib>GREENAWAY, ALAN H</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CAMPBELL DALGARNO, HEATHER I</au><au>FAICHNIE, DAVID M</au><au>FARRER, STEPHEN W</au><au>RAYMOND, THOMAS D</au><au>NEAL, DANIEL R</au><au>PULASKI, PAUL</au><au>CRAIK, GRAHAM N</au><au>GREENAWAY, ALAN H</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SYSTEM AND METHODS OF PHASE DIVERSITY WAVEFRONT SENSING</title><date>2017-07-18</date><risdate>2017</risdate><abstract>A phase diversity wavefront sensor includes an optical system including at least one optical element for receiving a light beam; a diffractive optical element having a diffractive pattern defining a filter function, the diffractive optical element being arranged to produce, in conjunction with the optical system, images from the light beam associated with at least two diffraction orders; and a detector for detecting the images and outputting image data corresponding to the detected images. In one embodiment, the optical system, diffractive optical element, and detector are arranged to provide telecentric, pupil plane images of the light beam. A processor receives the image data from the detector, and executes a Gerchberg- Saxton phase retrieval algorithm to measure the wavefront of the light beam.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BANDAGES, DRESSINGS OR ABSORBENT PADS COLORIMETRY DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PHYSICS PROSTHESES RADIATION PYROMETRY TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR TREATMENT OR PROTECTION OF EYES OR EARS |
| title | SYSTEM AND METHODS OF PHASE DIVERSITY WAVEFRONT SENSING |
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