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| Detection mode | P0 pulse (femtosecond) | P1 pulse (picosecond) | P2 pulse (picosecond) | Detection filter | Pump–probe delay |
|---|---|---|---|---|---|
| AM-SRS | -- | Pump (LO) | Stokes (AM: 1 MHz sinusoidal) | Bandpass, blocking P2 | Zero |
| PM-SRS | Pump/Stokes (impulsive) | PM probe (PM: 100 kHz sawtooth) | LO probe | Long-pass, blocking P1 | Tunable |
