Q-switched laser output
Tunable Yb:KGW laser, CW or Q-switched, enabled by dual-axis tilt of a MOEMS mirror : KGW laser, CW or Q-switched, enabled by dual-axis tilt of a MOEMS mirror
... The laser output power in this work was intentionally lim- ited to 5 mW average power to avoid thermal failure of the MOEMS device in both CW and Q-switched ...
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Output characteristics of Q-switched solid-state lasers using intracavity MEMS micromirrors
... Stable Q-switched oscillation of the MEMS laser was obtained with average output powers of up to 650mW for 55W of side-pump ...the laser light within the silicon chip limited the ...
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Generation of Q-switched thulium-doped fiber laser (TDFL) using differentsaturable absorbers
... nm laser diode through the 1550/2000 nm wavelength division multiplexer ...The output of the laser is tapped with the 90/10 ...the output retains in the ring cavity for further lasing ...
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Q-switched Nd:YAG laser induced photodisruption in an eye model
... ruby laser for iris and retinal photocoagulation in ...ruby laser had been developed by Campbell and Koester as well as Zweng and his associates in 1963 [5, ...ruby laser was a valuable tool, but it ...
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Distributed optical fibre sensing at 1 65µm using a Q switched fibre laser
... It is becoming increasingly vital to monitor telecommunication links during operation and installation process. By using a high peak power source and the optical time domain reflectometry (OTDR) technique operating at ...
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Rotating-Mirror Q-Switched Er:YAG Laser for Optodynamic Studies
... The laser-beam spatial profile was measured at a position 341 mm from the laser- output coupler. Due to a lack of equipment for better measurements, a technique of measuring the transmission through ...
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Raman amplification and pulsed lasing in cladding pumped germanosilicate fiber
... a Q-switched Er-Yb co-doped fiber laser in a multi-fiber (GT-wave) arrangement ...multi-mode laser diode with 2.4 W of fiber-coupled output power at 910 ...average output power ...
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Simulation of Diode Pumped Q Switched Nd:YAG Laser Generating Eye Safe Signal in IOPO Environment
... passively Q-switched diode- pumped Nd-doped lasers has been investigated experi- mentally and high-energy pulses with mJ range energy have been ...optimized Q-switched pulse energy at 1047 nm ...
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Beam spot of Q-switched ND: YAG laser based on raster graphic
... using Q-switching mechanism: In Q-switched mode, the laser output powers of 20 megawatts scale and pulse durations of less than 100 nanoseconds are commonly ...power laser such ...
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Ytterbium doped and co-doped Q-switched fiber lasers utilizing passive saturable absorbers
... solid-state laser systems is the fiber laser with some advantages like compact size, high electrical efficiency, superior beam quality and reliability, great output power, lower maintenance, low ...
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Numerical Study of Transient Temperature Distribution in Passively Q Switched Yb:YAG Solid State Laser
... passively Q-switched laser, using MATLAB ® PDE toolbox, to solve the parabolic heat ...the Q- switched lasers, the quantitative study of both radial and axial temperature distributions ...
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C Band Q Switched Fiber Laser Using Titanium Dioxide (TiO 2) As Saturable Absorber
... pulsed laser output [1]. Q-switching is obtained by modulating the quality factor Q of laser cavity such that a series of short, intense pulses produced, with a higher Q factor ...
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Q-switched laser as a source for Thomson scattering from a hollow cathode arc.
... power output in the form of one sharp ...normal laser oscillation will de crease the lifetime of the Cr+^ ions in the metastable level and this limits the population inversion for a given pump level, hence ...
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Revealing the nature of morphological changes in carbon nanotube polymer saturable absorber under high power laser irradiation
... of laser radiation, the thermal field, and stress field configuration near high concentration and big bundles of CNT in the PVA ...available laser powers and ...low laser power and on a the short ...
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Re-crystallization of metallized silicon wafer with copper film by Q-switched Nd : YAG laser
... after laser annealing with different number of laser pulses of (b) 1 pulse (c) 2 pulses (d) 3 pulses , (e) 4 pulses, (f) 5 pulses, (g) 6 pulses, (h) 7 pulses, (i) 8 pulses, (j) 9 pulses, (k) 10 pulses, and ...
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Effect of Q switched laser surface texturing of titanium on osteoblast cell response
... Figure 3 shows an example of the regular arrays of single grooves that were generated. The large scale regular grooved structure is again combined with finer scale surface details arising from individual laser ...
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Status Of Laser Technology In India
... etc. Laser and photonics related activities, opto-electronics and optical-communication is a research programme being conducted by IIT ...fiber-optics, laser electron acceleration in dense plasmas, ...
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Diode laser pumped, high repetition rate, Nd:YLF laser and its frequency conversion
... er Q-switched conditions, certifying that a change in the inp u t conditions of the OSA is not respon sible for the diffe rent ...r Q-switched c ondition s, as the fast pulse b uilt up does ...
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The treatment of riehl’s melanosis using dr hoon hur’s golden parameter therapy with a high fluence 1064nm q switched nd: yag laser without side effects
... of Q- SwithchedNd: YAG laser, 694 nm wavelength of ruby laser and 755 nm wavelength of alexandrite laser because the longer wavelength result in less absorbed by the epidermal melanin and ...
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Vol 30, No 1 (2020)
... Results A total of 100 patients were included in the study. Mean age of the patients was 31.18±5.51 years. There were 13 males (13%) and 87 females (87%). Mean duration of disease was 1.99±0.88 years. Type of melasma was ...
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