473nm激光器

Wavelength  

 473 nm  

 Power  

 20, 50 mW

 Optical Parameters  

 Comments  

 Wavelength Tolerance  

 ± 1 nm  

 Power Stability  

 ± 1 %  

 p-p, over 8 hours and ± 3°C  

 Optical Noise  

 < 0.2 %  

 rms, 10 Hz - 2 MHz  

 Beam Quality  

 TEM00  

 M2 < 1.2  

 Beam Diameter   - power < 150 mW  

 0.75 mm  

 1/e2, at aperture  

 Beam Diameter -power≥150 mW 

 0.60 mm  

 1/e2, at aperture  

 Circularity  

0.9

 Beam Divergence - power < 150 mW  

 1.0 mrad  

 1/e2 full angle  

 Beam Divergence - power≥150 mW 

 1.2 mrad  

 1/e2 full angle  

 Beam Pointing Stability  

 5 urad

  rms, over 1 hour and ± 1.5°C  

 Polarization Ratio  

 > 100:1  

 linear, vertical