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Calcualtion of linewidth

Parameter
  • Radius of curvature of mirror R1: R1= 1 m
  • Radius of curvature of mirror R2: R2= 1 m
  • Cavity Length: L= 0.48 m
  • Reflectivity of mirrors: R= 0.99998
  • Speed of light: c= 299792458 m/s

$$FSR = \frac{c}{2\cdot L}$$ $$Gouy = \frac{FSR}{\pi} \cdot \arccos \left( \sqrt{(1-\frac{L}{R1})\cdot(1-\frac{L}{R2}} \right)$$ $$F = ... $$

⇒

  • FSR = 312.284 MHz
  • Gouy = 101.783 MHz