Jie Guo, Wei Wang, Hua Lin, Xiaoyan Liang. High power, microjoule-level diffraction-limited picosecond oscillator based on Nd:GdVO4 bulk crystal[J]. Photonics Research, 2019, 7(4): 452
- Photonics Research
- Vol. 7, Issue 4, 452 (2019)
Fig. 1. Schematic of the passively mode-locked picosecond oscillator extended with a q
Fig. 2. Output performance of three different operation regimes.
Fig. 3. Oscilloscope trace of the pulse train at a repetition rate of 7.7 MHz.
Fig. 4. Radio frequency spectrum of the oscillator (a) at the fundamental beat note with a resolution bandwidth of 1 kHz, and (b) at the 100 MHz wide span range with a resolution bandwidth of 100 kHz.
Fig. 5. Measured autocorrelation trace, assuming a Gaussian-shaped pulse; inset shows the optical spectrum of the output pulses.
Fig. 6. Beam quality and far-field beam profile.
Fig. 7. Power stability of the oscillator output at full pump power.
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