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Article: Resolution improvement of one-dimensional comb-type PSD by subdivision

TitleResolution improvement of one-dimensional comb-type PSD by subdivision
Authors
KeywordsArray
Grating
Position Sensitive Detector
Subdivision
Issue Date2006
PublisherS P I E - International Society for Optical Engineering. The Journal's web site is located at http://www.spie.org/app/Publications/index.cfm?fuseaction=proceedings
Citation
Proceedings of SPIE - The International Society for Optical Engineering, 2006, v. 6150 I How to Cite?
AbstractImplementation of a 4 by 1 comb-type Position sensitive detector (PSD) array for position sensing applications is presented. Unlike conventional application, we utilize the method of subdivision to increase the resolution of PSD beyond the feature of photosensitive area, which is presented periodically. To obtain output signal of comb-type PSD, classic grating subdivision circuit is used. Resolution of 6.25 μm of comb-type PSD is achieved using optical grating array of a 50 μm in pitch and signal power of 3mW. The resolution is limited by the spacing of comb-type PSD and the mismatch of position of PSD array and optical grating array.
Persistent Identifierhttp://hdl.handle.net/10722/90823
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorLin, Men_HK
dc.contributor.authorLin, Ben_HK
dc.contributor.authorQi, Xen_HK
dc.contributor.authorCao, Xen_HK
dc.contributor.authorLong, Ren_HK
dc.contributor.authorTan, Cen_HK
dc.date.accessioned2010-09-17T10:08:55Z-
dc.date.available2010-09-17T10:08:55Z-
dc.date.issued2006en_HK
dc.identifier.citationProceedings of SPIE - The International Society for Optical Engineering, 2006, v. 6150 Ien_HK
dc.identifier.issn0277-786Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/90823-
dc.description.abstractImplementation of a 4 by 1 comb-type Position sensitive detector (PSD) array for position sensing applications is presented. Unlike conventional application, we utilize the method of subdivision to increase the resolution of PSD beyond the feature of photosensitive area, which is presented periodically. To obtain output signal of comb-type PSD, classic grating subdivision circuit is used. Resolution of 6.25 μm of comb-type PSD is achieved using optical grating array of a 50 μm in pitch and signal power of 3mW. The resolution is limited by the spacing of comb-type PSD and the mismatch of position of PSD array and optical grating array.en_HK
dc.languageengen_HK
dc.publisherS P I E - International Society for Optical Engineering. The Journal's web site is located at http://www.spie.org/app/Publications/index.cfm?fuseaction=proceedingsen_HK
dc.relation.ispartofProceedings of SPIE - The International Society for Optical Engineeringen_HK
dc.subjectArrayen_HK
dc.subjectGratingen_HK
dc.subjectPosition Sensitive Detectoren_HK
dc.subjectSubdivisionen_HK
dc.titleResolution improvement of one-dimensional comb-type PSD by subdivisionen_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1117/12.677971en_HK
dc.identifier.scopuseid_2-s2.0-33645337374en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33645337374&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume6150 Ien_HK

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