Jianbo Wang, Cong Yin, Chunying Shi, Hanping Wang, Shan Cai, Hui Shu. Powerful iodine stabilized He-Ne laser as wavelength reference[J]. Infrared and Laser Engineering, 2021, 50(4): 20200111
- Infrared and Laser Engineering
- Vol. 50, Issue 4, 20200111 (2021)
Fig. 1. Schematic diagram of detecting saturation absorption spectroscopy by third harmonics method
Fig. 2. Schematic of high output power iodine stabilized He-Ne laser
Fig. 3. Cavity length drift of iodine stabilized laser
Fig. 4. Output power drift of iodine stabilized laser
Fig. 5. Reproducibility of the output power of iodine stabilized laser within two months
Fig. 6. (a) Third harmonics error signal of iodine stabilized laser; (b) laser output power
Fig. 7. (a) Second harmonics signal of iodine stabilized laser with cavity scanning; (b) PZT voltage for cavity scanning
Fig. 8. Tracking voltage while laser locked
Fig. 9. (a) Frequency fluctuation of the f component while laser locked; (b) histogram of frequency fluctuation
Fig. 10. Frequency stability of iodine stabilized laser
Fig. 11. Frequency reproducibility of iodine stabilized laser
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