Detailed Notes on KYW Crystal
Detailed Notes on KYW Crystal
Blog Article
In useful conditions, the Yb:KYW crystal has observed its area of interest in superior-power laser purposes as a consequence of its ability to produce high energy ultrashort laser pulses though retaining a compact measurement. The interplay of its capabilities �?seamless ytterbium substitution, sturdy absorption features, ultrashort pulse generation and performance in Strength conversion �?positions the Yb:KYW crystal to be a cornerstone while in the laser technology, masking numerous fields starting from scientific investigation to industrial programs.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, compared to its counterpart Yb:KGW, can be a amazing material that performs a vital purpose in laser technological know-how. Its Principal function is always to generate ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
The Yb:KYW crystal’s proficiency in mild absorption at all over 981 nm will make the crystal well matched for diode pumping. It is actually further more Increased by its amazing effectiveness in this process, coupled with its small quantum defect.
Color-coded reflectivity of a Bragg mirror like a purpose of wavelength and angle of your incident beam.
Ultrafast lasers, with pulse widths of a few picoseconds (ten−12 s) or less, help time resolution needed in laser-psyched fluorescence life time spectroscopy and imaging techniques.Furthermore, they produce substantial pulse peak powers at higher repetition premiums and moderate regular output powers.
Ahead of the event of Nd:YAG, Nd3+:CaWO4 was an important scarce-earth-doped laser gain medium. It had been in actual fact used in the 1st continuously working crystal laser.
FIG. one. Optical format of the laser with direct pumping with the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output
5 mm in addition to the center on the beam caustic. As a way to Look at the method matching simulation, we executed the experiment with Ng-Lower crystal oscillator, which was developed Beforehand As well as in a exact same affliction with simulation [eleven]. As shown in Determine 3(b) with purple dots and line, the CW output energy is highly dependent on the place of laser crystal along with the experimental consequence coincides effectively with simulation outcome. As a note, multimode Procedure happened in experiment in the event the sizing of your pump beam is bigger than TEM00 cavity mode and it triggers larger CW output electricity while in the displacement area under 3.5 mm.
For tungstates, the ytterbium doping concentration can be extremely high without check here having important quenching since the replaced ions have an exceptionally equivalent ion radius, along with the inter-ion distance is comparatively huge.
Even so, at the time Nd3+:YAG became commercially offered, the desire in CaWO4 dropped sharply. In afterwards many years, specific other tungstate crystals began to bring in loads of attention.
The thermal conductivity of popular double tungstates is in the get to 3–four W/(K m) �?which is not terrible in contrast with other laser crystals (While numerous situations less than for YAG), and relatively significant in contrast Along with the thermal conductivity of typical glasses.
There isn't any products within your cart. Incorporate objects on your cart and ask for an official quote or order online Subtotal
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is usually a amazing substance that plays an essential role in laser technology. Its Most important purpose will be to make ultrashort pulses of light, spanning just a couple hundred femtoseconds.
Simultaneously, a shorter laser wavelength could be attained; it is achievable to operate that has a quantum defect effectively below 1%. As a consequence, the heat technology could be so compact that this partly compensates the decreased thermal conductivity.