Fig. 1. Schematic diagram of the electro-optically Q-switched external frequency doubling 473 nm blue laser.

Fig. 2. Output energy of the 946 nm laser versus absorbed pump energy.

Fig. 3. Output spectrum of the 946 nm fundamental laser beam.

Fig. 4. Measurement of M2 factors for the 946 nm laser.

Fig. 5. Far-field beam profile of the 946 nm laser.

Fig. 6. Output energy of the 473 nm laser as a function of 808 nm pump energy.

Fig. 7. Pulse waveform of the 473 nm laser.

Fig. 8. Pulse train of the 473 nm laser.

Fig. 9. Far-field beam profile of the blue laser.

Fig. 10. Output spectrum of the blue laser.