Fig. 1. Schematic of frequency stabilization of the miniaturized iodine-stabilized 1064 nm semiconductor laser

Fig. 2. Error signal at different modulation frequencies when modulation depth is 2

Fig. 3. Error signal at different modulation depths when the modulation frequency is 0.3Г

Fig. 4. Error signal's slope varies with the modulation frequency and modulation depth

Fig. 5. Schematic diagram of the installation structure of iodine molecular absorption cell

Fig. 6. Iodine absorption spectrum and corresponding error signal

Fig. 7. Frquency stabilization performance of the laser

Fig. 8. Allan deviation