Ti:Sapph Laser
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Cavity Geometry
The cavity is 91.5 cm long, with a 10 cm short arm, a 70 cm long arm, and an 11.5 cm focusing region.
The folding angle is 10 degrees.
The Brewster angle for Ti:Sapph is 60.4 degrees, so the crystal should be tilted by 29.6 degrees.
The prisms are centered in the middle of the long arm, and are separated by 60 cm (so that each one is 5 cm in from its end of the arm).