The smart Trick of KYW Crystal That No One is Discussing
The smart Trick of KYW Crystal That No One is Discussing
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In simple conditions, the Yb:KYW crystal has found its specialized niche in significant-ability laser purposes as a consequence of its capability to produce higher energy ultrashort laser pulses though protecting a compact sizing. The interaction of its functions �?seamless ytterbium substitution, powerful absorption properties, ultrashort pulse generation and effectiveness in Power conversion �?positions the Yb:KYW crystal to be a cornerstone while in the laser technological innovation, masking varied fields starting from scientific investigation to industrial purposes.
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We current a dual-crystal Yb:KGW laserthat iscapable to work as being a Q-switched oscillator with output power approximately 24 W and pulse length of 20 ns,or for a regenerative amplifier with output ability up to 21 W and pulse duration below two hundred fs following compression of chirped pulses. The two lasers have great beam excellent with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Show solid peaks at 980 nm and 1030 nm, respectively, making sure efficient Electrical power conversion and high overall performance in laser techniques.
Optical layout of the laser with immediate pumping While using the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output in the radiation, WP is a fifty percent-wave plate, CL is a collimating lens, FL can be a concentrating lens, AE is surely an Lively factor comprised of an Yb:KYW crystal, DM is really a spherical dichroic mirror, M1-M6 tend to be the cavity mirrors, OC will be the output mirror, and SAM can be a semiconductor saturable-absorber mirror.
Adhesion Exam Compliant with MIL-C-675C armed forces specifications, an adhesion examination included making use of a tape that fulfills LT-90 specs onto the lens film layer. The tape was affixed totally then taken out vertically. This treatment was done three times, resulting in no blistering or peeling.
Raman, luminescence and transmission spectra reveal optical functions owing on the presence of thulium ions, and so the elements could possibly be even further analyzed during the scope of laser and luminescence applications.
A higher brightnessQ-switched oscillator and regenerative amplifier according to a twin-crystal Yb:KGW laser
... at fifty percent-top were being created within a learn oscillator with selfsynchronization on the axial modes, explained inside our previously posting. 21 The new version with the laser, as click here opposed to that explained in our earlier short article, utilized an Yb:KYW crystal by having an N pcut (optical axis N p of the index ellipsoid was parallel for the propagation course of the laser radiation), Together with the polarization of your created radiation directed along the N m axis.
... Don't just the situation of crystal from the cavity but in addition the amplification axis of crystal impacts the laser operation enormously, since the absorption and emission cross sections in the crystal are fairly distinctive in accordance with the orientation on the crystal.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared to its counterpart Yb:KGW, can be a exceptional material that performs a crucial function in laser technology. Its Key perform should be to make ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
Ask RP Photonics for almost any guidance relating to tungstate lasers, including femtosecond lasers and substantial-power lasers.