Chinese Journal of Lasers, Volume. 45, Issue 10, 1001004(2018)
784.9 nm and 808 nm Laser Diode Pumped Tm/Ho Bonded Laser
Figures & Tables(6)
Fig. 2. Absorption spectra of Tm∶YAG and Ho∶YAG crystals andthe emission spectra of LD (inset: emission band of Tm∶YAG laser that could be absorbed by Ho∶YAG)
Fig. 3. Output powercharacteristic change of Tm/Ho∶YAG laser under free running state
Fig. 4. Beam quality measured at the maximum output power of Tm/Ho∶YAG laser (inset: two-dimensional and three-dimensional beam profiles)
Table 1. 808 nm LD spectral parameters at different driving currents and the corresponding effective absorption coefficients
View tableTable 1. 808 nm LD spectral parameters at different driving currents and the corresponding effective absorption coefficients
Item Current /A 1.6 2 2.5 3 .5 4 4.25 Absorbed power /W 2.50 3.49 4.55 5.32 6.05 6.72 7.12 Central wavelength /nm 805.60 805.84 806.13 806.55 806.81 807.09 807.25 Spectral linewidth /nm 1.40 1.36 1.50 1.42 1.52 1.58 1.62 Effective absorption coefficient /cm-1 0.628 0.595 0.553 0.510 0.476 0.447 0.438
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Wang Juan, Huang Haizhou, Huang Jianhong, Chen Jinming, Deng Jing, Weng Wen, Dai Shutao, Wu Hongchun, Lin Wenxiong. 784.9 nm and 808 nm Laser Diode Pumped Tm/Ho Bonded Laser[J]. Chinese Journal of Lasers, 2018, 45(10): 1001004
Paper Information
Category: laser devices and laser physics
Received: Apr. 23, 2018
Accepted: --
Published Online: Oct. 12, 2018
The Author Email: Wenxiong Lin (wxlin@fjirsm.ac.cn)
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