Considerations To Know About KYW Crystal
Considerations To Know About KYW Crystal
Blog Article
The attain bandwidth e.g. of Yb:KGW and Yb:KYW is quite substantial compared with that of Yb:YAG. This allows for vast wavelength tunability and for Considerably shorter pulse durations from manner-locked lasers. Values well underneath 100 fs are already realized with passive manner locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is often a extraordinary material that performs an important function in laser engineering. Its Principal functionality is usually to make ultrashort pulses of light, spanning just a few hundred femtoseconds.
Femtosecond laser dependant on Yb:KYW crystals with suppression of spectral narrowing in a very regenerative amplifier by spectral profiling of the heart beat
The absorption and emission spectra of Yb:KYW Crystals Show solid peaks at 980 nm and 1030 nm, respectively, ensuring successful energy conversion and substantial effectiveness in laser techniques.
Optical format of the laser with immediate pumping Using the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output of your radiation, WP is really a fifty percent-wave plate, CL is often a collimating lens, FL is usually a focusing lens, AE is really an active component made out of an Yb:KYW crystal, DM is often a spherical dichroic mirror, M1-M6 are the cavity mirrors, OC is the output mirror, and SAM is a semiconductor saturable-absorber mirror.
Adhesion Test Compliant with MIL-C-675C armed forces criteria, an adhesion exam involved applying a tape that satisfies LT-ninety requirements onto the lens film layer. The tape was affixed completely then taken out vertically. This treatment was executed thrice, leading to no blistering or peeling.
FIG. 1. Optical structure of a laser with immediate pumping Using the radiation of semiconductor injection lasers. LD can be an IPG Photonics laser diode with fiber output
five mm other than the center from the beam caustic. As a way to Examine the manner matching simulation, we done the experiment with Ng-Reduce crystal oscillator, which was developed Beforehand and in a same affliction with simulation [11]. As proven in Determine 3(b) with purple dots and line, the CW output electrical power is very dependent on the posture of laser crystal along with the experimental result coincides very well with simulation result. For a note, multimode operation happened in experiment when the dimension with the pump beam is bigger than TEM00 cavity method and it leads to increased CW output ability within the displacement region under 3.5 mm.
For tungstates, the ytterbium doping focus can be extremely large without the need of sizeable quenching since the changed ions have a really equivalent ion radius, as well as inter-ion distance is relatively huge.
... Not simply the posture of crystal while in the cavity but in addition the amplification axis of crystal affects the laser Procedure drastically, since the absorption and emission cross sections on the crystal are rather distinctive in accordance with the orientation of your crystal.
The thermal conductivity of common double tungstates is on website the get to 3–4 W/(K m) �?which is not lousy in contrast with other laser crystals (While several instances below for YAG), and relatively substantial as opposed Using the thermal conductivity of normal Eyeglasses.
There aren't any merchandise inside your cart. Include items for your cart and request an Formal quotation or get on-line Subtotal
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at home temperature had been measured. The emission spectrum and life time with the three File four psyched state were established. Utilizing regular and modified Judd–Ofelt theories, the intensity parameters along with the radiative lifetimes were being calculated and superior settlement While using the experimental results was attained for both of those theories.
Ask RP Photonics for virtually any suggestions about tungstate lasers, like femtosecond lasers and high-electric power lasers.