Journal
NANOMATERIALS
Volume 11, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/nano11092364
Keywords
pulsed laser; saturable absorber; nanoparticles
Categories
Funding
- National Key Research and Development Program of China [2019YFA0705000]
- National Natural Science Foundation of China [91950106, 91950104, 11974218, 91750201]
- Local Science and Technology Development Project of the Central Government [YDZX20203700001766]
- Innovation Group of Jinan [2018GXRC010]
- Shandong Provincial Natural Science Foundation [ZR2019MA024]
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A stable, passively Q-switched Yb:CaGdAlO4 laser based on Mo:BiVO4 saturable absorber was demonstrated in this research. The experimental results showed that Mo:BiVO4-SA is a great candidate for passively Q-switched lasers in the near infrared region. The structure and morphology of the nanoparticles were closely observed using transmission electron microscope, Raman spectrum and linear absorption.
A stable, passively Q-switched Yb:CaGdAlO4 laser based on Mo:BiVO4 saturable absorber was demonstrated. Close observations of the structure and morphology of the nanoparticles by using transmission electron microscope, Raman spectrum and linear absorption were measured. The nonlinear transmission of Mo:BiVO4 was characterized by a 30 ps laser with a central wavelength of 1064 nm and a repetition rate of 10 Hz. The experimental maximum output power of the pulsed laser was 510 mW with a repetition rate of 87 kHz and pulse width of 3.18 mu s, corresponding to a peak power of 1.84 W and a single pulse energy of 5.8 mu J. The experimental results indicate that Mo:BiVO4-SA is a great candidate for passively Q-switched lasers in the near infrared region.
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