Femtosecond Oscillators FLINT Oscillators
- < 40 fs pulse duration
- Up to 260 nJ pulse energy
- Up to 20 W output power
- 76 MHz repetition rate
- No amplified spontaneous emission
- Industrial-grade design
- Optional automated second harmonic generator
- Optional CEP stabilization
- Optional repetition rate locking to an external source
Features
- < 40 fs pulse duration
- Up to 260 nJ pulse energy
- Up to 20 W output power
- 76 MHz repetition rate
- No amplified spontaneous emission
- Industrial-grade design
- Optional automated second harmonic generator
- Optional CEP stabilization
- Optional repetition rate locking to an external source
FLINT oscillators are based on an Yb crystal pumped by a high‑brightness laser diodes. Generation of femtosecond pulses is provided by Kerr lens mode-locking. Once started, mode-locking remains stable over a long period and is immune to minor mechanical impact. Oscillator cavity length can be adjusted using an optional piezo actuator. FLINT oscillators can also be equipped with carrier-envelope phase (CEP) stabilization and repetition rate locking to an external source.
- Maximum output power and pulse energy depends on the chosen pulse duration, e.g., < 50 fs – 2 W, 26 nJ, < 40 fs – 1 W, 13 nJ.
- Assuming Gaussian pulse shape.
- Depends on repetition rate. Approximate values are given for 76 MHz repetition rate.
- Other repetition rates are available in the range from 60 to 100 MHz.
- Other repetition rates are available in the range from 70 to 80 MHz.
- Choice of a particular central wavelength with ±1 nm tolerance is available upon request.
- With enabled power-lock, under stable environment.
- Normalized to average pulse energy, NRMSD.

Typical FLINT optical spectrum

FLINT-FL2-20 (20 W) output power stability under harsh environmental conditions

Phase noise data of CEP locked FLINT oscillator

Timing jitter stability over 14 h; FLINT oscillator locked to a 2.8 GHz RF source

Phase noise data of FLINT oscillator locked to a 2.8 GHz RF source
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