The Greatest Guide To KYW Crystal
The Greatest Guide To KYW Crystal
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is incredibly massive compared with that of Yb:YAG. This permits for vast wavelength tunability and for Substantially shorter pulse durations from manner-locked lasers. Values nicely beneath 100 fs are already accomplished with passive method locking.
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time. Crystals from the compound melts congruently at 1007 oC, however soften crystallization of top quality crystal is unattainable resulting from stage changeover at ~920 oC. The highest seeded solution system from
The absorption and emission spectra of Yb:KYW Crystals Screen solid peaks at 980 nm and 1030 nm, respectively, making sure efficient Power conversion and higher functionality in laser programs.
Optical structure of a laser with immediate pumping Along with the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output of the radiation, WP is often a fifty percent-wave plate, CL is usually a collimating lens, FL is actually a concentrating lens, AE is definitely an active factor created from an Yb:KYW crystal, DM is usually a spherical dichroic mirror, M1-M6 are classified as the cavity mirrors, OC will be the output mirror, and SAM is often a semiconductor saturable-absorber mirror.
The monoclinic crystal structures brings about a all-natural birefringence, assisting to stay clear of thermally induced polarization rotation and depolarization decline.
Raman, luminescence and transmission spectra reveal optical options check here owing towards the presence of thulium ions, and for that reason the products might be even more analyzed from the scope of laser and luminescence purposes.
Spatial structure of your beam and also the corresponding intensity profiles I with the output of the laser.
For tungstates, the ytterbium doping concentration can be quite substantial with out major quenching as the replaced ions have an incredibly equivalent ion radius, plus the inter-ion length is fairly significant.
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW as a result of comparable dimensions of those chemical factors as much as a hundred% of Yb-doping may be attained.
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Li2WO4-WO3 flux was effectively utilized lessening the growth temperature beneath 900 oC. As outlined by one crystal x-ray measurements, the crystal corresponds to the P2/n Area group.
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At the same time, a shorter laser wavelength is usually received; it is possible to work by using a quantum defect nicely down below 1%. As a consequence, the warmth generation might be so little this partly compensates the reduce thermal conductivity.