New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is very huge when compared with that of Yb:YAG. This permits for huge wavelength tunability and for much shorter pulse durations from mode-locked lasers. Values properly underneath a hundred fs have been accomplished with passive mode locking.
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We current a twin-crystal Yb:KGW laserthat iscapable to function as being a Q-switched oscillator with output electrical power approximately 24 W and pulse size of 20 ns,or like a regenerative amplifier with output electricity approximately 21 W and pulse length beneath two hundred fs after compression of chirped pulses. Each lasers have excellent beam quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals display powerful peaks at 980 nm and 1030 nm, respectively, making certain productive Electrical power conversion and superior overall performance in laser techniques.
Optical structure of a laser with immediate pumping Along with the radiation of semiconductor injection lasers. LD is undoubtedly an IPG Photonics laser diode with fiber output from the radiation, WP is a 50 percent-wave plate, CL is a collimating lens, FL can be a concentrating lens, AE is undoubtedly an Lively component constructed from an Yb:KYW crystal, DM is really a spherical dichroic mirror, M1-M6 are the cavity mirrors, OC would be the output mirror, and SAM is usually a semiconductor saturable-absorber mirror.
The monoclinic crystal structures brings about a purely natural birefringence, assisting to prevent thermally induced polarization rotation and depolarization reduction.
Raman, luminescence and transmission spectra reveal optical attributes owing for the presence of thulium ions, and for that reason the elements can be even further examined in the scope of laser and luminescence purposes.
Spatial framework on the beam and also the corresponding depth profiles I at the output on the laser.
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... Not just the placement of crystal while in the cavity and also the amplification axis of crystal influences the laser Procedure drastically, since the absorption and emission cross sections in the crystal are really distinct according to the orientation of the crystal.
Even though ytterbium-doped laser get media frequently show a little quantum defect, ytterbium-doped tungstates make it possible for for significantly small values. For example, a 1030-nm Yb:YAG laser would normally be pumped around 940 nm, Whilst Yb:KGW or Yb:KYW may very well be most successfully pumped all around 981 nm.
This tandem of attributes KYW Crystal has considerably-reaching implications, notably in the development of compact yet powerfull lasers.
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Question RP Photonics for any assistance regarding tungstate lasers, together with femtosecond lasers and substantial-power lasers.