Fei Wang, Haitao Huang, Haiwei Chen, Yushuo Bao, Zihan Li, Deyuan Shen. GSA and ESA dual-wavelength pumped 2.3 μm Tm:YLF laser on the 3H4→3H5 transition[J]. Chinese Optics Letters, 2021, 19(9): 091405
- Chinese Optics Letters
- Vol. 19, Issue 9, 091405 (2021)
Fig. 1. Schematic diagram for GSA and ESA dual-wavelength-pumped 2.3 µm thulium laser. GSA, ground state absorption; ESA, excited state absorption; CR, cross relaxation.
Fig. 2. Experimental arrangement for the GSA and ESA dual-wavelength LD-pumped Tm:YLF laser. IM, input mirror; OC, output coupler; BS, beam splitter.
Fig. 3. Typical laser emission spectra measured at maximum output power. SWP, single-wavelength pumping; DWP, dual-wavelength pumping.
Fig. 4. Output powers of 2.3 µm laser versus the incident 785 nm pump powers.
Fig. 5. Output powers of 2.3 µm laser versus incident 1470 nm pump powers under different given incident 785 nm pump powers. (a) T = 1.5% OC; (b) T = 2.8% OC.
Fig. 6. Output powers of 2.3 µm laser versus incident 785 nm pump power under different given incident 1470 nm pump powers. (a) T = 1.5% OC; (b) T = 2.8% OC.
Fig. 7. Output powers of 2.3 µm laser under GSA and ESA dual-wavelength pumping for different combinations of 785 and 1470 nm pump spots.
Fig. 8. Three-dimensional beam profile and power intensity distribution of 2.3 µm laser beam measured at the 1.84 W output power.
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20