L15_A
Lesson 4: Passive Mode Locking
Lesson 4: Passive Mode Locking
4-3 PML with SAM+SPM+GVD
Effects of anomalous GDD +SAM
4-4 Kerr lens mode‐locked Ti:Sapphire lasers
Schematic & basic idea
Formula of pulsed Gaussian beam
L15_B
Lesson 4: Passive Mode Locking
Lesson 4: Passive Mode Locking
4-4 Kerr lens mode‐locked Ti:Sapphire lasers
Cumulative nonlinear phase shift
General formula of SPM coefficientδ
SPM coefficient in two extreme cases
SAM coefficient
L15_C
Lesson 4: Passive Mode Locking
Lesson 4: Passive Mode Locking
4-4 Kerr lens mode‐locked Ti:Sapphire lasers
Strategy of maximizing SAM coefficient
Linear cavity analysis
Two‐mirror cavity
Conditions of stable two‐mirror cavity
Beam diameter vs. bias distance
Kerr lensing effect
Overall cavity analysis
Optimization of Δ and Fasym
Optimization ofΔand Ti:S position
Cavity design rules
Comparison between AML & PML