L5_A
Lesson 2: Active Mode Locking
Lesson 2: Active Mode Locking
2-1 Gaussian pulse analysis
Strategy
Assumption of the steady-state pulse
Cold cavity effect
Gain effect
How to model gain spectrum
L5_B
Lesson 2: Active Mode Locking
Lesson 2: Active Mode Locking
2-1 Gaussian pulse analysis
How does index n vary with ω
Quadratic gain coefficient approximation
Effects of elements: cold cavity & gain
L5_C
Lesson 2: Active Mode Locking
Lesson 2: Active Mode Locking
2-1 Gaussian pulse analysis
Effects of elements: cold cavity & gain
Spectral filtering & delay increment
Transform to the time domain
Effects of elements: Loss modulator effect
Steady-state solution
L5_D
Lesson 2: Active Mode Locking
Lesson 2: Active Mode Locking
2-1 Gaussian pulse analysis
Steady-state solution
Approximated steady-state pulse width
Example: AML Nd:YAG laser
Example: Dynamics of AML