01 / Given a TEM0 beam of 1 = 514.5 nm from an Argon ion laser with a minimum beam diameter = 1.5 mm located at z = 0 : 1. Find the Confocal parameter of this laser 2. The mirrors Mi and M2 are located at distances Z1 and 22 where the laser beam diameter has expanded to 5mm ( M1 ) and 6mm ( M2 ) . Calculate these distances . 3. Calculate the radius of curvature of the wavefront at these distances . 4. Calculate the beam waist and radius of curvature at 125 cm from Mi. 5. Find if this cavity is stable

01 / Given a TEM0 beam of 1 = 514.5 nm from an Argon ion laser with a minimum beam diameter = 1.5 mm located at z = 0 : 1. Find the Confocal parameter of this laser 2. The mirrors Mi and M2 are located at distances Z1 and 22 where the laser beam diameter has expanded to 5mm ( M1 ) and 6mm ( M2 ) . Calculate these distances . 3. Calculate the radius of curvature of the wavefront at these distances . 4. Calculate the beam waist and radius of curvature at 125 cm from Mi. 5. Find if this cavity is stable