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Fig. 2. (Color online) (a) Laser(λ = 1064 nm) output power versus pump laser(λ = 808 nm) power. (b) A laser cavity with a length of L and thermal lens focal length of f th for ABCD matrix calculation. (c) Variation of mode size at positions of output coupler ( ω 0 ) and Nd:YVO4 crystal ( ω c ) as a function of cavity length when thermal lens focal lengths ( f th ) are 50 cm, 75 cm, and 100 cm.
New Phys.: Sae Mulli 2023;73:304~310