Low-cost multi-mode diode pumped Tm:YLF laser: Multi-color & Q-switching operations
Künye
Beyatlı, E. (2019). Low-cost multi-mode diode pumped Tm:YLF laser: Multi-color & Q-switching operations. Optics Communications, 451, 55-61. https://doi.org/10.1016/j.optcom.2019.06.027Özet
In this paper, we report a low-cost multi-mode AlGaAs laser diode pumped broadly-tunable solid-state Tm:YLF laser at room-temperature operating in two different regimes: multi-color and Q-switching. A low-cost multimode AlGaAs laser diode, driving 3 W power at 780 nm, was used to excite the 3% Tm3+-ion doped YLF laser. in the continuous-wave regime, 650 mW of output power was obtained at 1942 nm with 41% power efficiency (indicates high cross-relaxation). the output wavelength can be tuned between 1831 and 2031 nm with a birefringent filter (BRF). To the best of our knowledge, this range is the broadest tuning range obtained from a Tm:YLF laser in 2 mu m band. Furthermore, multi-color laser operations were observed by translating the crystal inside the cavity (without BRF) i.e. three two-color, two three-color and one four-color were obtained. As far as we know, these results are the first demonstration of three- and four-color 2 mu m laser. Additionally, Q-switching regime were obtained by adding a saturable absorber into the cavity. in this regime, the repetition frequencies can be arranged between 16 and 100 kHz with a maximum of 2.7 W peak power and 2.39 mu J pulse energy by translating the saturable absorber along the stability region.
Kaynak
Optics CommunicationsCilt
451Koleksiyonlar
İlgili Öğeler
Başlık, yazar, küratör ve konuya göre gösterilen ilgili öğeler.
-
Does hypericin boost the efficacy of high-power laser? A preliminary experimental study on rats [A hipericina aumenta a eficácia do laser de alta potência? um estudo preliminar e experimental em ratos]
Zor, M.; Goktas, S.; Yildirim, I.; Zorba, U.O.; Basal, S.; Alp, B.F.; Erogul, O. (Associacao Paulista de Medicina, 2014)DESIGN AND SETTING: Experimental animal study conducted in the Department of Urology, Gülhane Military Medical Academy, Ankara, Turkey, in 2012.METHODS: Sixteen rats were randomized into four groups: 120 W KTP laser + ... -
Evaluation of the effects of Er:YAG laser, Nd:YAG laser, and two different desensitizers on dentin permeability: in vitro study
Kurt, Sevda; Kırtıloplu, Tuğrul; Yılmaz, Nasibe Aycan; Ertaş, Ertan; Oruçoğlu, Hasan (Springer London Ltd, 2018)The purpose of this in vitro study was to evaluate and compare the efficacy of erbium-doped yttrium aluminum garnet (Er:YAG) laser, neodymium-doped yttrium aluminum garnet (Nd:YAG) laser, PrevDent nano-hydroxyapatite ... -
Widely-tunable dual-wavelength Tm:YLF, Tm:LuAG, and Tm:YAG lasers
Beyatli, E.; Demirbas, U. (Institute of Electrical and Electronics Engineers Inc., 2019)Dual-wavelength operation of lasers are attractive for many applications such as coherent terahertz wave generation, ultrahigh pulse repetition rate creation by optical beating, and laser ranging. Several methods could be ...