SPG-V500 Laser Spectrum Analyzer

Example of Spectral Measurements

 

Semiconductor Laser (Wavelength: 405 nm)
Multimode oscillation

 

Semiconductor Laser (Wavelength: 450 nm)
Multimode oscillation

 

Semiconductor Laser (Wavelength: 880 nm)
1 to 2 peak oscillation
Unstable occurrence of side peaks

 

Semiconductor Laser (Wavelength: 915 nm)
Unstable multimode oscillation

 

Semiconductor Laser (Wavelength: 980 nm)
1 to 3 peak oscillation
Unstable occurrence of side peaks

 

Semiconductor Laser (Wavelength: 1060 nm)
Unstable multimode oscillation
Occurrence of mode hopping