01a11 01 opto electronic devices components of opto electronic devices opto transistor led photodiode optoelectronic instrumentation Opto Electronic Opto Electronics

Optoelectronic Materials | Semiconductor Materials | Semiconductor Devices

Components of Opto-Electronics:

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01-opto electronic devices-components of opto electronic devices-light activated SCR-Opto Coupler-Photo Resistor_thumb[1]

01-opto electronic devices-components of opto electronic devices-solar cell-7 segment display_thumb

Semi conductor materials:

Elemental semiconductors-Silicon, Germanium

Binary semiconductors-Aluminium, gallium, indium, phosphorus, arsenic, antimony

Ternary semiconductors-Aluminum, Gallium, Arsenic

Quaternary Semiconductors-Indium, Gallium, Phosphorous, Arsenic

Why Opto-electronics sensor system used:

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  • The sensors used in an automotive environment must be reliable
  • Produce exactingly accurate results
  • Require little maintenance
  • Help reduce overall system cost and extend the life of the system or sub system unit
  • Integrated optoelectronic sensors are non-contact sensors, that is, they are able to perform their sensing or measurement functions without the need for physical contact with other parts of the system or sub-system


  • Reducing the number of required components
  • Improving the reliability of the system or sub-system
  • Improving the styling, aesthetics and ergonomics of the overall vehicle through better utilization of the available space
  • Improving the manufacturability of the vehicle by reducing the number of sensors that need to be positioned during production


  • They are not giving any direct feedback
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