Investigation of Characteristics of Semiconductor Laser
Semiconductor laser, with its advantages of high efficiency, small volume, long life, has important applications in many fields. This is the typical experiment to study the characteristics of semiconductor laser. The students can understand the concepts of the threshold, slope efficiency and tunable characteristics by the measurement and analysis of the parameters such as power, wavelength and so on.
Main points:
a) P-I characteristics curve of semiconductor laser
b) Threshold and slope efficiency of semiconductor laser calculation
c) Power along with the change of temperature
d) Wavelength along with the change of temperature
Power along with the change of electric current under different temperature
Wavelength along with the change of electric current under different temperature
Related Courses
Principles of Laser, Laser Optics, Semiconductor Laser, Laser Device, Semiconductor Device, Semiconductor Material
Basic Configuration
Name
Specifications
Semiconductor laser
Wavelength:655nm(Include current source)
Spectroscope
Transmissivity: 50%, reflectivity: 50%
Power meter
Wavelength coverage: 0.19-25um
Sensitivity: 10mW
Uncertainty< 2%
Spectrometer
Wavelength coverage:200-1100nm
Others
Slideway, adjusting bracket, baffle, laser goggle etc.
Expand the Experiment
Instrument Application
·Research on elliptical Gaussian beam characteristics of Semiconductor laser
·Research on electrical properties of Semiconductor laser
·Experiments related to optical fiber communication
