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In other words, a green DPSSL using a 2.5 W pump diode would be expected to output around 500-900 mW of 532 nm light. In optimal conditions, Nd:YVO 4 has a conversion efficiency of 60%, [1] while KTP has a conversion efficiency of 80%. [2] In other words, a green DPSSL can theoretically have an overall efficiency of 48%.
Fig.1. An optically pumped disk laser (active mirror). A disk laser or active mirror (Fig.1) is a type of diode pumped solid-state laser characterized by a heat sink and laser output that are realized on opposite sides of a thin layer of active gain medium. [1] Despite their name, disk lasers do not have to be circular; other shapes have also ...
Like the National Ignition Facility, it is intended to produce narrow pulses of extremely high power, using diode-pumped solid-state lasers. Unlike the NIF system, the Mercury laser aims to achieve a high repetition rate: its goals are 10 pulses per second, each delivering 100 J with a 10% efficient conversion of electricity to laser light.
This improved gain medium was central to the demonstration of the first tunable narrow-linewidth solid-state dye laser oscillators, by Duarte, [8] which were later optimized to deliver pulse emission in the kW regime in nearly diffraction limited beams with single-longitudinal-mode laser linewidths of ≈ 350 MHz (or ≈ 0.0004 nm, at a laser wavelength of 590 nm). [9]
Solid state lasing media are typically optically pumped, using either a flashlamp or arc lamp, or by laser diodes. [1] Diode-pumped solid-state lasers tend to be much more efficient and have become much more common as the cost of high-power semiconductor lasers has decreased.
A green laser pointer is a frequency doubled Nd:YVO 4 diode-pumped solid state laser . [48] Nd:YAG can be also made to lase at its non-principal wavelength. The line at 946 nm is typically employed in "blue laser pointer" DPSS lasers, where it is doubled to 473 nm. [49] [50] [51]
One test — the running/jogging test — mandates that women who are 25 should be able to run 1.5 miles in 13 minutes. (For men, the goal is 11 minutes.)
LULI2000 is a high-power laser system dedicated to scientific research. It is located in LULI laboratory, [1] at École Polytechnique [2] in France.The main application of this type of laser is related to the very high energy fluxes obtained after focusing onto tiny focal spots, from micrometers to hundreds of micrometers in diameter.
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