Table 1: Laser characteristics.

Model
Spectra-Physics 117
Frequency (nominal) 473.61254 THz (6328.1 Å)
Beam diameter (1/e2) 0.5 mm
Beam divergence 1.6 mrad (full angle)
Frequency stability $\pm$2 MHz ($\pm$ 1.27 m s-1)
  1-8 h (guaranteed)
Intensity stability 1%

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