Quantum level working of IR sensor

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    Ir Quantum Sensor
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SUMMARY

The forum discussion centers on the quantum-level mechanisms of infrared (IR) sensors, specifically the TSOP1738 model. Participants explore how IR light interacts with the sensor's material, leading to electron excitation and current generation. Key concepts include the photoelectric effect, the role of semiconductor doping, and the importance of filters in isolating IR wavelengths. The discussion highlights that IR sensors operate based on the energy levels of electrons within the material, which are influenced by doping and the physical properties of the sensor.

PREREQUISITES
  • Understanding of the photoelectric effect and its limitations.
  • Familiarity with semiconductor physics, particularly doping in silicon.
  • Knowledge of photon interactions with atomic structures.
  • Basic principles of electronic circuits and signal processing.
NEXT STEPS
  • Research the principles of the photoelectric effect in detail.
  • Study the impact of semiconductor doping on wavelength sensitivity in IR sensors.
  • Explore the design and function of filters used in IR detection.
  • Investigate the calibration methods for photodetectors and their applications.
USEFUL FOR

Engineers, physicists, and researchers involved in infrared communication, sensor technology, and semiconductor design will benefit from this discussion.

  • #31


Standard solid state text's that I have used are by Kittel and Ashcroft/Mermin. Should both be in your library.
 

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