Fig. 1. Theoretical model of SRO.

Fig. 2. Experimental setup for generation of broad band tunable infrared laser by singly resonant optical parametric oscillator.

Fig. 3. Intensity noise power spectra of pump light of SRO at 1064 nm.

Fig. 4. Normalized intensity noise power spectra of output light of SRO vs. temperature of the crystal: (a) Normalized intensity noise power spectra of the signal; (b) normalized intensity noise power spectra of the idler.

Fig. 5. Normalized intensity noise power spectra of output light of SRO vs. modulation frequency of the etalon: (a) and (b) Theoretical and experimental data of normalized intensity noise power spectra of the signal, respectively; (c) and (d) theoretical and experimental data of normalized intensity noise power spectra of the idler, respectively.