A 135 mW single-frequency distributed Bragg reflector fiber laser at 1.95μm was obtained based on a Tm:YAG ceramic-derived all-glass fiber.The fiber laser achieved an optical signal-to-noise ratio of~77 d B.Moreover,the threshold and linewidth of the single-frequency laser were measured to...
We use a graphene/WS2 heterojunction as a saturable absorber (SA) in a 2 μm wavelength Thulium-doped Yttrium Aluminum perovskite (Tm: YAP) crystal-based solid-state laser and realize effective modulation performance efficiency in passive Q-switching experiments. At a pump power of 18.80 W, the...
We describe an efficient, low-threshold, continuous-wave (CW) and Q-switched operation of a Ho:YAG laser resonantly, single-pass pumped by a 20W linearly polarized narrow line width Tm: fiber laser atthe wavelength of 1,908nm. At room temperature for an output coupler of 30% transmission,...
Efficient pulsed Cr2+:CdSe laser continuously tunable in the spectral range from 2.26 to 3.61 μm The efficient lasing of a Cr:CdSe single crystal pumped by 1.94-μm, 300-μs pulses from a Tm:YAP laser was obtained. The Cr:CdSe laser with a nonselective... VA Akimov,VI Kozlovskii,VK...
Diode-pumped single frequency Tm:YAG laser at room temperature A diode-pumped single frequency Tm:YAG laser operating at 2 m is demonstrated in this letter. The laser crystal is controlled at room temperature by using ... CT Wu,YL Ju,ZG Wang,... - 《Laser Physics Letters》 被引量: 145...
Single crystals fiber (SCF) of LuAG doped with 2.0 at.% thulium has been grown by using micro-pulling down (µ-PD) technique. A continuous-wave output power of 2.44 W was achieved with a slope efficiency of 11.7% using a 783-nm diode laser as pump sour
In this study, an Er:YAG laser pumped intra-cavity Tm:YAG-Ho:GdVO4 laser was built and debuted at room temperature. At an incident pump power of 9.2 W, this laser obtained a maximum output power of 1.6 W with a slope efficiency of 28.0%. Additionally, th
Background: Endocorporeal laser lithotripsy (EL) during flexible ureteroscopy (URS-f) often uses “dusting” settings with “painting” technique. The displacement velocity of the laser fiber (LF) at the stone surface remains unknown and could improve EL
a solid state laser medium by a method wherein the title solid state laser system is provided with a detecting means of the ripple compound in the output light intensity of basic laser beams for controlling the azimuth of a 1/4 wavelength plate using the ripple component as an error signal...
Laser lithotripsyIn-vitroThermal effectThe aim of this study was to compare the thermal effects of Ho:YAG and Tm-fiber lasers during lithotripsy in an in-vitro model via real-time temperature measurement.#We compared a Ho:YAG laser (pavup to 100W, Lumenis, Yokneam, Israel) and a super...