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Quadrant detector based on InGaAsP heterostructures

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dc.contributor.author DOROGAN, Valerian
dc.contributor.author BRYNZARI, Vladimir I.
dc.contributor.author VIERU, Tatiana
dc.contributor.author KOSYAK, V.
dc.date.accessioned 2022-04-21T11:06:30Z
dc.date.available 2022-04-21T11:06:30Z
dc.date.issued 1998
dc.identifier.citation DOROGAN, Valerian, BRYNZARI, Vladimir I., VIERU, Tatiana. Quadrant detector based on InGaAsP heterostructures. In: Fifth Conference on Optics: proc. ROMOPTO '97, 9-12 Sept., 1997, Bucharest, Romania, 1998, V. 3405, p. 1032-1038. en_US
dc.identifier.uri https://doi.org/10.1117/12.312709
dc.identifier.uri http://repository.utm.md/handle/5014/20196
dc.description Acces full text: https://doi.org/10.1117/12.312709 en_US
dc.description.abstract A new device called selective quadrant-detector, realized on the basis of InGaAsP heterostructures, is presented in the paper. It consists of a circular photodiode-quadrant with protective peripheric ring, having selective sensibility optimized for (lambda) equals 1.06 micrometers , in the center of which a photodetector integrated in the same crystal is formed. The photodetector has own capacity C equals 1 - 5 pF and can be used for receiving the high frequency (f > 1 GHz) optic signals and the small duration (t <EQ 1 ns) unitary signals. The presence of central photodetector decreases the coordinate characteristic abruptness (K equals 8(DOT)103 V(DOT)W-1(DOT)mm-1(and photocurrent intensity with 8 - 10%. Absolute spectral sensibility is S(lambda equals1.06) equals 0.57 A/W and photosensibility spectrum semiwidth is (Delta) (lambda) <EQ 100 nm. en_US
dc.language.iso en en_US
dc.publisher SPIE en_US
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject selective quadrant-detectors en_US
dc.subject heterostructures en_US
dc.subject photodetectors en_US
dc.subject photodiode-quadrants en_US
dc.title Quadrant detector based on InGaAsP heterostructures en_US
dc.type Article en_US


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