Which risk increases markedly when optically pumping a titanium-sapphire laser crystal?

💡 Explanation

Optical pumping deposits significant heat raising the crystal's temperature. Thermal lensing causes refractive index variations because heat redistributes nonuniformly; therefore, beam quality decreases rather than improving, unless counteracted, rather than the others.

• Which consequence is observed when stressed polymer films are viewed through orthogonal polarizers?
• Which consequence results when thin-film interference affects optical data storage?
• Which material property causes hysteresis losses in each magnetic cycle of a transformer core?
• Which outcome results when the wave function in Scanning Tunneling Microscopy possesses oscillating eigenstates at an interface?
• Which phenomenon contributes to gravitational lensing around a black hole?
• Which measurement error emerges when an inertial guidance system misinterprets gravity?