Pulsewidth-Dependent Nonlinear Absorption of 1030-nm Ultrashort Laser Pulses in Polymethylmethacrylate

Key Points

• Absorption varies nonlinearly based on pulse duration, showing different trends across specified ranges.
• The absorption increases from 250 to 450 fs, then decreases from 450 to 1500 fs, stabilizing thereafter.
• Assessment of laser pulse effects on polymethylmethacrylate provides insights into its optical characteristics.
• Understanding these nonlinear effects may inform photonic and material applications in ultrafast optics.

Abstract