Getting My KYW Crystal To Work
Getting My KYW Crystal To Work
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In realistic phrases, the Yb:KYW crystal has discovered its area of interest in large-electric power laser purposes as a consequence of its capacity to make large Power ultrashort laser pulses while protecting a compact dimensions. The interplay of its features �?seamless ytterbium substitution, robust absorption traits, ultrashort pulse technology and effectiveness in Power conversion �?positions the Yb:KYW crystal for a cornerstone during the laser technological innovation, covering various fields ranging from scientific investigate to industrial programs.
This one of a kind characteristic of ultrafast pulses enables nonlinear optical conversation with tissue at reduced overall exposure, and drives purposes for example deep-tissue multiphoton microscopy and substantial-precision eye surgical procedures
We present a twin-crystal Yb:KGW laserthat iscapable to operate to be a Q-switched oscillator with output electricity nearly 24 W and pulse duration of 20 ns,or as being a regenerative amplifier with output ability as many as 21 W and pulse length underneath 200 fs just after compression of chirped pulses. Both of those lasers have exceptional beam high quality with beam parameter M2
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This paper describes a femtosecond laser regenerative amplifier depending on two Yb:KYW crystals with immediate longitudinal pumping by effective linear arrays of semiconductor injection lasers getting fiber output. To stop spectral narrowing during amplification along with the corresponding lengthening of the amplified pulse when it is compressed, a combination of two Yb:KYW crystals were being employed, While using the spectral maxima from the amplification shifted relative to one another and with spectral profiling with the amplified radiation.
The monoclinic crystal buildings leads to a organic birefringence, helping to stay clear of thermally induced polarization rotation and depolarization loss.
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five mm other than the center with the beam caustic. In order to Verify the mode matching simulation, we check here performed the experiment with Ng-Reduce crystal oscillator, which was formulated Beforehand As well as in a exact situation with simulation [eleven]. As proven in Figure 3(b) with pink dots and line, the CW output electrical power is extremely depending on the situation of laser crystal as well as experimental result coincides nicely with simulation outcome. Being a Take note, multimode Procedure happened in experiment once the dimension with the pump beam is larger than TEM00 cavity mode and it triggers increased CW output power while in the displacement location underneath three.five mm.
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Having said that, at the time Nd3+:YAG turned commercially readily available, the interest in CaWO4 dropped sharply. In afterwards a long time, certain other tungstate crystals began to catch the attention of many consideration.
The thermal conductivity of common double tungstates is of your buy to 3–4 W/(K m) �?which is not undesirable in comparison with other laser crystals (Whilst several periods below for YAG), and relatively substantial as opposed With all the thermal conductivity of normal Eyeglasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) compared to its counterpart Yb:KGW, is actually a impressive content that performs a significant position in laser know-how. Its Principal operate will be to crank out ultrashort pulses of light, spanning just a few hundred femtoseconds.
Ask RP Photonics for virtually any information relating to tungstate lasers, like femtosecond lasers and substantial-electrical power lasers.