Laser Diodes & Sensors

A laser diode is manufactured like a plane-paralleled rectangle where the two faces,    perpendicularly split at the plane and where the releasing semi-conductors meet, form a Fabry-Perot resonator. The resonator is the origin of the emission stimulated by differentiating light emission photons.

   Laser diodes vary from conventional lasers, in several ways.

Small size and weight: A characteristic laser diode measures less than one millimetre in size and weighs a fraction of a gram, creating it accurate for usage in portable electronic equipment.
Low voltage, current and power requirements: They can work by utilising small battery power supplies. Maximum laser diodes need some milliwatts of power at 3 to 12 volts DC and some milliamperes.
Low intensity: A laser diode can never be used for massive purposes such as bringing down satellites, burning holes in metal, or blind folding aircraft pilots. Though, its coherent output effects in high efficiency and easiness of modulation for communications and control applications.



  • Design of laser diodes
  • Coherence control of laser diodes
  • Laser spectroscopy
  • Raman spectroscopy
  • Received light recognition type laser sensors
  • Position recognition type laser sensor
  • Remote sensing and lasers
  • Active remote sensors
  • Passive remote sensors
  • Diode laserā€based sensors for extreme harsh environment data acquisition

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