Considerations To Know About KYW Crystal
Considerations To Know About KYW Crystal
Blog Article
In practical terms, the Yb:KYW crystal has identified its market in significant-electric power laser apps resulting from its capacity to make large Vitality ultrashort laser pulses whilst maintaining a compact sizing. The interplay of its attributes �?seamless ytterbium substitution, potent absorption attributes, ultrashort pulse technology and effectiveness in Power conversion �?positions the Yb:KYW crystal as a cornerstone during the laser technology, masking diverse fields starting from scientific analysis to industrial purposes.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison to its counterpart Yb:KGW, is actually a impressive material that plays a crucial job in laser technological innovation. Its Major function should be to crank out ultrashort pulses of light, spanning just a couple hundred femtoseconds.
The Yb:KYW crystal’s proficiency in light absorption at about 981 nm tends to make the crystal well suited for diode pumping. It's further Increased by its extraordinary performance in this method, coupled with its minimal quantum defect.
Shade-coded reflectivity of the Bragg mirror like a functionality of wavelength and angle from the incident beam.
Optical structure of a laser with direct pumping Together with the radiation of semiconductor injection lasers. LD can be an IPG Photonics laser diode with fiber output in the radiation, WP is often a fifty percent-wave plate, CL is really a collimating lens, FL is actually a focusing lens, AE is an Energetic element constructed from an Yb:KYW crystal, DM is really a spherical dichroic mirror, M1-M6 would be the cavity mirrors, OC could be the output mirror, and SAM is often a semiconductor saturable-absorber mirror.
Right after air drying and subsequent cleansing having a cotton cloth soaked in Liquor, the movie area showed no indications of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and therefore are utilized as lasing supplies to deliver ultrashort (~ one hundred-200 fs) superior electric power pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes functioning at 981 nm supports compact laser devices.
5 mm in addition to the middle with the beam caustic. So as to Check out the mode matching simulation, we executed the experiment with Ng-Lower crystal oscillator, which was produced previously As well as in a identical condition with simulation [eleven]. As shown in Figure 3(b) with crimson dots and line, the CW output power is very dependent on the posture of laser crystal along with the experimental end result coincides nicely with simulation final result. Being a note, multimode operation occurred in experiment when the sizing in the pump beam is much larger than TEM00 cavity method and it brings about bigger CW output electric power in the displacement area down below 3.five mm.
EKSMA Optics uses cookies to provide you with the ideal browsing experience. In the event you proceed to utilize our companies, We're going to think that you choose to comply with the usage of this sort of cookies.
... Not just the place of crystal inside the cavity but in addition the amplification axis of crystal impacts the laser operation drastically, since the absorption and emission cross sections in the crystal are really distinct according to the orientation of the crystal.
Although ytterbium-doped laser achieve media commonly show a little quantum defect, ytterbium-doped tungstates make it possible for for significantly compact values. For example, a 1030-nm Yb:YAG laser would Ordinarily be pumped around 940 nm, Whilst Yb:KGW here or Yb:KYW can be most competently pumped all over 981 nm.
Li2WO4-WO3 flux was efficiently used reducing the growth temperature underneath 900 oC. According to solitary crystal x-ray measurements, the crystal corresponds on the P2/n House team.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared to its counterpart Yb:KGW, is often a amazing substance that plays a crucial function in laser technologies. Its Most important purpose should be to crank out ultrashort pulses of light, spanning just some hundred femtoseconds.
Simultaneously, a shorter laser wavelength could be attained; it is achievable to operate which has a quantum defect properly below one%. As being a consequence, the warmth generation might be so little this partly compensates the reduce thermal conductivity.