Photonics Research, Volume. 9, Issue 9, 1715(2021)
Widely tunable, high-power, femtosecond noncollinear optical parametric oscillator in the visible spectral range Spotlight on Optics
Fig. 1. Schematic setup of the VIS-NOPO. The upper part of the sketch shows the pump laser and the third-harmonic-generation setup. A pump lens L (
Fig. 2. Tuning behavior of the VIS-NOPO. (a) Measured power spectral density (PSD) as a function of wavelength and cavity length/group delay. The green line indicates the calculated net intracavity GDD. (b) Measured pulse durations and output powers.
Fig. 3. (a) Normalized signal spectra for different cavity lengths. (b) Measured pulse durations (circles) and calculated Fourier limits (triangles). (c) Green line: calculated GDD.
Fig. 4. Measured slope efficiency and threshold of the signal at 530 nm. The solid red line illustrated a linear fit. Inset: signal beam profile at maximum output power.
Fig. 5. (a) Long-term stability measurement of the signal output power. (b) Phase noise PSD of signal and pump.
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Robin Mevert, Yuliya Binhammer, Christian M. Dietrich, Luise Beichert, José R. Cardoso de Andrade, Thomas Binhammer, Jintao Fan, Uwe Morgner, "Widely tunable, high-power, femtosecond noncollinear optical parametric oscillator in the visible spectral range," Photonics Res. 9, 1715 (2021)
Category: Ultrafast Optics
Received: Mar. 26, 2021
Accepted: Jun. 9, 2021
Published Online: Aug. 20, 2021
The Author Email: Robin Mevert (mevert@iqo.uni-hannover.de)