a) The concept of fluorescence spectrum and measuring method
b) Generation procedure of He-Ne laser
c) Fluorescence characteristics of laser crystal
d) The significance of fluorescence spectrum for improving the light source design
Fluorescence spectrum of
He-Ne laser
Fluorescence spectrum of Nd:YVO4
Principles of Laser, Non-linear Optics, Laser Optics, All Solid State Laser and Nonlinear Optical Frequency Conversion Technology
Name
He-Ne laser
Wavelength: 632.8nm (Include current source)
LD
Wavelength: 808mm (Include current source)
Crystal
Nd:YAG, Nd:YVO4
Spectrometer
Wavelength coverage: 200-1100nm
Others
Slideway, lens and crystal base, adjusting bracket, Infrared display card, laser goggle, baffle etc. (Collimator, output lens, selectable)
Expand the Experiment
Instrument Application
·Fluorescence spectrum measurement
·The contrast of spontaneous radiation and stimulated radiation
·Laser wavelength selection
·The design of the laser cavity
·Teaching experiment and research applications
·The test and analysis of fluorescent substances
·The analysis of the optical properties of laser materials
·The research and development of new crystals
Analysis of its fluorescence spectrum has great significance to study the characteristics and application of material. This is a research on fluorescence and laser spectrum of He-Ne laser. Besides, fluorescence spectrum of Nd:YVO4 and Nd:YAG are measured and analyzed. The students can grasp the concepts of fluorescence spectrum and the method of measurement. The students can study the concept of fluorescence spectrum and the measurement method, and then the learning process of laser generation, understanding the important significance to improve the pump light source and the conversion efficiency of laser material by the experiment.
