High sensitivity optical position sensitive detectors fabricated from high resistivity substrates
Identifieur interne :
002E65 ( PascalFrancis/Curation );
précédent :
002E64;
suivant :
002E66
High sensitivity optical position sensitive detectors fabricated from high resistivity substrates
Auteurs : J. Henry [
Australie] ;
J. Livingstone [
Australie]
Source :
-
Proceedings of SPIE - The International Society for Optical Engineering [ 0277-786X ] ; 2008.
RBID : Pascal:08-0527902
Descripteurs français
English descriptors
Abstract
Position sensitive detectors (PSDs) comprise optical sensors used in applications such as robotic vision, machine tool alignment and other precision measurements. This paper will report on a series of Schottky Barrier crystalline silicon devices which display marked advantages including rapid response times, easier fabrication techniques and high sensitivities compared with most other research work now being concentrated on PECVD amorphous silicon structures. In this work, results from devices fabricated from substrates with a range of resistivities and various Schottky metals are presented. Some of the sensitivity measurements obtained are better than 25 mV/mm which are some of the best sensitivities reported for Schottky barrier crystalline PSDs. These results were obtained coincidentally with excellent linearities. Devices were also tested under a range of light beams including very low broadband white light levels of 0.1 mW up to 10mW. The highest and most linear outputs occurred under different conditions for each substrate resistivity and Schottky metal. Also observed were the different effects that background illumination had on each set of devices, the biggest effect being on the highest resistivity devices.
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| A08 | 01 | 1 | ENG | @1 High sensitivity optical position sensitive detectors fabricated from high resistivity substrates |
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| A09 | 01 | 1 | ENG | @1 Optical sensors 2008 : 7-10 April 2008, Strasbourg, France |
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| A11 | 01 | 1 | | @1 HENRY (J.) |
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| A11 | 02 | 1 | | @1 LIVINGSTONE (J.) |
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| A12 | 01 | 1 | | @1 BERGHMANS (Francis) @9 ed. |
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| A14 | 01 | | | @1 School of Electrical Electronic and Computer Engineering The University of Western Australia 35 Stirling Highway @2 Crawley, 6009, Western Australia @3 AUS @Z 1 aut. @Z 2 aut. |
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| A18 | 01 | 1 | | @1 Society of photo-optical instrumentation engineers Europe @3 INC @9 org-cong. |
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| A18 | 02 | 1 | | @1 SPIE @3 USA @9 org-cong. |
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| A18 | 04 | 1 | | @1 Association française des industries de l'optique et de la photonique @3 FRA @9 org-cong. |
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| A20 | | | | @2 70030K.1-70030K.8 |
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| C01 | 01 | | ENG | @0 Position sensitive detectors (PSDs) comprise optical sensors used in applications such as robotic vision, machine tool alignment and other precision measurements. This paper will report on a series of Schottky Barrier crystalline silicon devices which display marked advantages including rapid response times, easier fabrication techniques and high sensitivities compared with most other research work now being concentrated on PECVD amorphous silicon structures. In this work, results from devices fabricated from substrates with a range of resistivities and various Schottky metals are presented. Some of the sensitivity measurements obtained are better than 25 mV/mm which are some of the best sensitivities reported for Schottky barrier crystalline PSDs. These results were obtained coincidentally with excellent linearities. Devices were also tested under a range of light beams including very low broadband white light levels of 0.1 mW up to 10mW. The highest and most linear outputs occurred under different conditions for each substrate resistivity and Schottky metal. Also observed were the different effects that background illumination had on each set of devices, the biggest effect being on the highest resistivity devices. |
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| C03 | 01 | 3 | ENG | @0 Vision @5 03 |
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| C03 | 02 | 3 | FRE | @0 Détecteur positionnement @5 11 |
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| C03 | 02 | 3 | ENG | @0 Position sensitive detectors @5 11 |
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| C03 | 03 | 3 | FRE | @0 Capteur optique @5 12 |
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| C03 | 03 | 3 | ENG | @0 Optical sensors @5 12 |
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| C03 | 04 | 3 | FRE | @0 Etude expérimentale @5 29 |
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| C03 | 04 | 3 | ENG | @0 Experimental study @5 29 |
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| C03 | 05 | 3 | FRE | @0 Procédé fabrication @5 30 |
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| C03 | 05 | 3 | ENG | @0 Manufacturing processes @5 30 |
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| C03 | 06 | X | SPA | @0 Haz óptico @5 37 |
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| C03 | 07 | X | FRE | @0 Lumière blanche @5 38 |
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| C03 | 07 | X | ENG | @0 White light @5 38 |
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| C03 | 08 | 3 | FRE | @0 Méthode mesure @5 61 |
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| pR |
| A30 | 01 | 1 | ENG | @1 Optical sensors @3 Strasbourg FRA @4 2008 |
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Le document en format XML
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