New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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In practical phrases, the Yb:KYW crystal has located its market in large-energy laser applications on account of its capability to generate significant Electrical power ultrashort laser pulses whilst maintaining a compact dimensions. The interplay of its attributes �?seamless ytterbium substitution, sturdy absorption characteristics, ultrashort pulse generation and performance in Electricity conversion �?positions the Yb:KYW crystal being a cornerstone within the laser know-how, masking diverse fields starting from scientific research to industrial programs.
The comparison with glasses is acceptable For the reason that substantial acquire bandwidth allows e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
We existing a twin-crystal Yb:KGW laserthat iscapable to function for a Q-switched oscillator with output electrical power approximately 24 W and pulse length of 20 ns,or for a regenerative amplifier with output electric power around 21 W and pulse duration underneath two hundred fs immediately after compression of chirped pulses. Each lasers have great beam high-quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Exhibit potent peaks at 980 nm and 1030 nm, respectively, making certain effective Electrical power conversion and superior general performance in laser systems.
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW due to the equivalent dimensions of those chemical features as many as a hundred% of Yb-doping may be attained. This exclusive attribute permits ytterbium to go ahead and take position of yttrium with just about no disruption for the crystal’s lattice.
Right after air get more info drying and subsequent cleaning having a cotton fabric soaked in Liquor, the movie area showed no indications of peeling or scratches.
FIG. 1. Optical layout of a laser with direct pumping Along with the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output
A substantial brightnessQ-switched oscillator and regenerative amplifier determined by a twin-crystal Yb:KGW laser
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... Not merely the posture of crystal from the cavity but will also the amplification axis of crystal affects the laser operation tremendously, as the absorption and emission cross sections from the crystal are rather diverse in accordance with the orientation with the crystal.
The thermal conductivity of popular double tungstates is with the order to 3–4 W/(K m) �?which is not undesirable when compared with other laser crystals (Even though numerous instances below for YAG), and rather big in contrast Together with the thermal conductivity of common glasses.
Li2WO4-WO3 flux was productively used lowering The expansion temperature under 900 oC. As outlined by single crystal x-ray measurements, the crystal corresponds to the P2/n Place team.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is really a impressive materials that performs a crucial role in laser technology. Its Key functionality is to generate ultrashort pulses of light, spanning just some hundred femtoseconds.
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