Logical optical detector: a new sensor for robotic applications

The logical optical detector, described as a version of the silicon heterostructure switch, is considered in terms of its optical performance related to fabrication aspects. This includes sensitivity to white light, and also as a function of wavelength. The analysis accounts for quantum efficiency and absorption depth aspects. Predicted and measured results, taking these into account, shows a very good correspondence. Specifically, applications include bistable switching sensors, pyroelectric detection, and robotic control systems.With the main advantage of only standard processing being required, the construction of the device can he directed toward a wide range of requirements.

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The silicon heterostructure switch: developments and experimental evaluation

Green

Brown²,

Simmons³

1988

IEEE Trans. Electron Devices

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The MISS has been an extensively studied device, but various processing problems cause them to be unreliable in the long term. The metal-semi-insulator-silicon switch is a more rugged version of this kind of structure. The semi-insulator can be, typically, of polysilicon or SIPOS. Both of these lead to a greater inbuilt tolerance of the processing aspects. This paper describes the practical evaluation of the MPSS, in which the semi-insulating layer is polysilicon. Temperature effects on main parameters, and correlation with a theoretical model, are considered.

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Logical optical detector: a new sensor for robotic applications

Cited by 5 publications

References 7 publications

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Colour Appearance of Surfaces as Affected by Different Time-Varying Colour-Adaptation Sequences

Optical performance of the silicon heterostructure switch

The silicon heterostructure switch: developments and experimental evaluation

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