A Simple Key For KYW Crystal Unveiled
A Simple Key For KYW Crystal Unveiled
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The Yb:KYW crystal’s proficiency in light absorption at around 981 nm tends to make the crystal well suited for diode pumping. It is actually even further enhanced by its remarkable performance in this method, coupled with its minimal quantum defect.
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This paper describes a femtosecond laser regenerative amplifier based on two Yb:KYW crystals with immediate longitudinal pumping by highly effective linear arrays of semiconductor injection lasers obtaining fiber output. To stop spectral narrowing throughout amplification and the corresponding lengthening of your amplified pulse when it really is compressed, a combination of two Yb:KYW crystals were being utilized, Using the spectral maxima on the amplification shifted relative to each other and with spectral profiling of the amplified radiation.
Immediately after air drying and subsequent cleaning that has a cotton cloth soaked in Liquor, the movie surface showed no indications of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and so are utilised as lasing components to make ultrashort (~ 100-two hundred fs) high electrical power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser programs.
5 mm apart from the middle with the beam caustic. So as to Check out the mode matching simulation, we executed the experiment with Ng-Slice crystal oscillator, which was designed previously As well as in a identical condition with simulation [eleven]. As revealed in Determine three(b) with purple dots and line, the CW output power is extremely depending on the situation of laser crystal plus the experimental final result coincides very well with simulation result. As a Be aware, multimode operation transpired in experiment when the measurement in the pump beam is bigger than TEM00 cavity manner and it causes bigger CW output power inside the displacement location down below 3.five mm.
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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW as a result of comparable dimensions of those chemical components nearly 100% of Yb-doping can be realized.
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Li2WO4-WO3 flux was properly used decreasing the growth temperature underneath 900 oC. According to single crystal x-ray measurements, the crystal corresponds on the P2/n Place team.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is actually a exceptional content that plays an important purpose in laser technological know-how. Its Key operate is always to generate ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
Request RP Photonics for virtually any tips concerning tungstate lasers, which include femtosecond lasers and higher-electric power lasers.