Experimental Investigation on High-order Transverse-mode of the Pr：YLF Laser by a Blue Laser-diode Off-axis Pumping

Feng-chen ZHANG; Chen-lin HUI; Qi-he SHU; Cai-hong HUANG; Dong-mei GONG; Feng-jiang ZHUANG

doi:10.3788/gzxb20204910.1014001

[1] Wen-bing WU, Zong-qiang SHENG, Hong-wei WU. Design and application of flat spiral phase plate. Acta Physica Sinica, 68, 054102(2019).

[2] Su-juan HUANG, Jie ZHANG, Wei SHAO. Experimental study on optical vortex array with high quality. Acta Photonica Sinica, 46, 0826002(2017).

[3] Y SHEN, Y MENG, X FU. Dual-wavelength vortex beam with high stability in a diode-pumped Yb：CaGdAlO₄ laser. Laser Physics Letters, 15, 55803(2018).

[4] X HUANG, B XU, S CUI. Direct generation of vortex laser by rotating induced off-axis pumping. IEEE Journal of Selected Topics in Quantum Electronics, 24, 2814789(2018).

[5] M P THIRUGNANASAMBANDAM, Y SENATSKY, K UEDA. Generation of very-high order Laguerre-Gaussian modes in Yb：YAG ceramic laser. Laser Physics Letters, 7, 637-643(2010).

[6] Y SHEN, Y MENG, X FU. Wavelength-tunable Hermite-Gaussian modes and an orbital-angular-momentum-tunable vortex beam in a dual-off-axis pumped Yb：CALGO laser. Optics Letters, 43, 291-294(2018).

[7] Y SHEN, X WANG, Z XIE. Optical vortices 30 years on： OAM manipulation from topological charge to multiple singularities. Light-Science & Applications, 8, 1-29(2019).

[8] C QIU, Y YANG. Vortex generation reaches a new plateau. Science, 357, 645(2017).

[9] F KONG, C ZHANG, F BOUCHARD. Controlling the orbital angular momentum of high harmonic vortices. Nature Communications, 8, 14970(2017).

[10] L ZHU, A WANG, S CHEN. Orbital angular momentum mode groups multiplexing transmission over 2.6-km conventional multi-mode fiber. Optics Express, 25, 25637-25645(2017).

[11] L ESTEROWITZ, F J BARTOLI, R E ALLEN. Energy levels and line intensities of Pr³⁺ in LiYF4. Physical Review B, 19, 6442-6455(1979).

[12] T HIROKI, K RYOSUKE, I KODAI. Saturation of 640-nm absorption in Cr³⁺：YAG for an InGaN laser diode pumped passively Q-switched Pr³⁺：YLF laser. Optics Express, 23, 19382-19395(2015).

[13] K IIJIMA, R KARIVAMA, H TANAKA. Pr³⁺：YLF mode-locked laser at 640 nm directly pumped by InGaN-diode lasers. Applied Optics, 55, 7782-7787(2016).

[14] Y MA, A VALLES, J TUNG. Direct generation of red and orange optical vortex beams from an off-axis diode-pumped Pr³⁺：YLF laser. Optics Express, 27, 18190(2019).

[15] Feng-juan WANG, Zhe LIU, Bin XU. Blue laser diode pumped Pr^{3 +}∶YLF visible lasers. Chinese Journal of Lasers, 40, 1202002(2013).

[16] Y FENG, H DENG, X CHEN. Blood oxygenation and flow measurements using a single 720 nm tunable V-cavity laser. Biomedical Optics Express, 8, 3516(2017).

[17] S LUO, X YAN, Q CUI. Power scaling of blue-diode-pumped Pr：YLF lasers at 523.0， 604.1， 606.9， 639.4， 697.8 and 720.9nm. Optics Communications, 380, 357-360(2016).

[18] M HE, S CHEN, Q NA. Watt-level Pr³⁺：YLF deep red laser pumped by a fiber-coupled blue LD module or a single-emitter blue LD. Chinese Optics Letters, 18, 011405(2019).

[19] P METZ, G HUBER. Power scaling of laser diode pumped Pr³⁺：LiYF4 cw lasers： efficient laser operation at 522.6 nm， 545.9 nm， 607.2 nm， and 639.5 nm. Optics Letters, 36, 1002-1004(2011).

[20] M W BEIJERSBERGEN, L ALLEN, V HELO. Astigmatic laser mode converters and transfer of orbital angular momentum. Optics Communications, 96, 123-132(1993).

[21] E J GALVEZ, P R CRAWFORD, H I SZTUL. Geometric phase associated with mode transformations of optical beams bearing orbital angular momentum. Physical Review Letters, 90, 203901(2003).

[22] A T ONEIL, J COURTIAL. Mode transformations in terms of the constituent Hermite-Gaussian or Laguerre-Gaussian modes and the variable-phase mode converter. Optics Communications, 181, 35-45(2000).