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Conduct Research

...thermal constraints. Switches based on photointerrupters have no contacts, no lubricant, and only one spring. The switching action takes place by depressing a button that interrupts the optical path between an infrared LED and a photodiode or phototransistor. This provides a momentary "low...

...output configurations, etc. Application Notes. Interrupter type opto sensors. Do not use (interrupter) materials which are translucent to visible and infrared light. For proper operation in dusty and/or humid environment, select dustproof and/or waterproof sensors. Avoid using opto sensors...

...that, because the cornea is transparent to laser light in any visible wavelength, such a laser could be used to power a chip equipped with photoconducting pixels. They further suggest that by fabricating the photoconducting photovoltaic cells, the photosensing or phototransistor array... as the sender, transmits a beam of. light either visible or infrared, which in some. fashion is directed to and detected by the. receiver. Although many housings and designs. are available they all seem to default to the basic. operating principal. Just as the basic operating principal is the same...

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