Содержание
- 2. What kind of a laser is this Quantum Cascade Laser ? This is a semiconductor laser.
- 3. How do conventional semiconductor lasers work ? A semiconductor absorbs light when electrons are excited from
- 4. Construction of the conventional semiconductor laser It has the active region which consists of two semiconductor
- 5. Disadvantage of the conventional semiconductor laser The band gap decides the wavelength of the laser. so
- 6. how quantum cascade laser differs ? QC lasers rely only on the one type of carrier,
- 7. Quantum wells Quantum wells are ultra thin sandwiches of two different semiconductors. A quantum well is
- 12. characteristics Wavelength determined by thickness rather then by the material. All mid infrared covered by the
- 16. Applications Environmental sensing and pollution monitoring- point sensors, LIDAR Industrial process control. Automotive- cruise control, collision
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