Fig. 1. Schematic diagram of single-frequency Nd:YAG laser.

Fig. 2. RTP crystals used (a) as a phase modulator and (b) as a Q-switcher.

Fig. 3. Timing diagram of signals in DRF event.

Fig. 4. Laser output energy verse pump-pulse energy with different pump-pulse durations.

Fig. 5. Laser output energy and pulse duration as a function of the pump-pulse energy.

Fig. 6. Laser pulse power stability over 23 min.

Fig. 7. Measurement of beam quality factor M2.

Fig. 8. Temporal trace of laser pulse (a) with and (b) without seeder injection.

Fig. 9. Spectrum interference pattern (a) with and (b) without seeder injection.

Fig. 10. Frequency stability over 37 min with 1500 V of ramp voltage.

Fig. 11. Frequency stability over 37 min with 900 V of ramp voltage.