Intracavity frequency doubling, explained by RP Photonics Encyclopedia; second-harmonic generation, nonlinear frequency conversion, SHG, doubler crystal, green problem
Non-locality and collective emission in disordered lasing resonators | Light: Science & Applications
Second-harmonic generation - Wikipedia
The 532 nm output of a cw frequency-doubled Nd:YAG laser is filtered... | Download Scientific Diagram
532nm, Frequency Doubled DFB from QD Laser
Alexandrite laser on-peak pumped by a frequency doubled Raman Yb-fiber laser at 589 nm