New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is a amazing material that performs a crucial position in laser technological know-how. Its Main operate is usually to crank out ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
time. Crystals from the compound melts congruently at 1007 oC, even so melt crystallization of high quality crystal is unattainable because of section transition at ~920 oC. The best seeded Resolution approach from
The absorption and emission spectra of Yb:KYW Crystals Screen powerful peaks at 980 nm and 1030 nm, respectively, guaranteeing productive Electricity conversion and significant performance in laser techniques.
Optical layout of the laser with direct pumping Using the radiation of semiconductor injection lasers. LD is definitely an IPG Photonics laser diode with fiber output from the radiation, WP is really a 50 %-wave plate, CL can be a collimating lens, FL is really a concentrating lens, AE is definitely an Energetic ingredient created from an Yb:KYW crystal, DM is usually a spherical dichroic mirror, M1-M6 will be the cavity mirrors, OC is definitely the output mirror, and SAM is really a semiconductor saturable-absorber mirror.
Adhesion Examination Compliant with MIL-C-675C military requirements, an adhesion take a look at included making use of a tape that satisfies LT-90 specs onto the lens film layer. The tape was affixed thoroughly and then removed vertically. This procedure was performed thrice, causing no blistering or peeling.
Raman, luminescence and transmission spectra reveal optical attributes owing on the existence of thulium ions, and as a consequence the materials might be additional researched within the scope of laser and luminescence applications.
Spatial structure in the beam plus the corresponding depth profiles I with the output of the laser.
For tungstates, the ytterbium doping concentration can be quite significant without substantial quenching since the replaced ions have an incredibly identical ion radius, and the inter-ion length is relatively large.
Superior-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical applications
Whilst ytterbium-doped laser achieve media frequently show a small quantum defect, ytterbium-doped tungstates check here let for significantly compact values. For instance, a 1030-nm Yb:YAG laser would Typically be pumped close to 940 nm, While Yb:KGW or Yb:KYW could possibly be most proficiently pumped close to 981 nm.
This tandem of attributes has significantly-reaching implications, notably in the development of compact however powerfull lasers.
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Ask RP Photonics for almost any advice about tungstate lasers, such as femtosecond lasers and superior-ability lasers.