An Unbiased View of KYW Crystal
An Unbiased View of KYW Crystal
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We present a dual-crystal Yb:KGW laserthat iscapable to operate as a Q-switched oscillator with output energy around 24 W and pulse size of 20 ns,or as being a regenerative amplifier with output electrical power around 21 W and pulse duration below two hundred fs soon after compression of chirped pulses. Both equally lasers have outstanding beam quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Screen sturdy peaks at 980 nm and 1030 nm, respectively, making sure successful energy conversion and high general performance in laser systems.
Optical format of the laser with immediate pumping With all the radiation of semiconductor injection lasers. LD is an IPG Photonics laser diode with fiber output in the radiation, WP is really a half-wave plate, CL is actually a collimating lens, FL can be a concentrating lens, AE is surely an Energetic ingredient created from an Yb:KYW crystal, DM is a spherical dichroic mirror, M1-M6 tend to be the cavity mirrors, OC may be the output mirror, and SAM is often a semiconductor saturable-absorber mirror.
In advance of the event of Nd:YAG, Nd3+:CaWO4 was an important rare-earth-doped laser attain medium. It had been in truth Employed in the first continually functioning crystal laser.
FIG. 1. Optical structure of a laser with immediate pumping With all the radiation of semiconductor injection lasers. LD is definitely an IPG Photonics laser diode with fiber output
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-Minimize crystal oscillator, which was produced Beforehand and in a same issue with simulation [11]. As shown in Determine 3(b) with pink dots and line, the CW output electricity is highly depending on the placement of laser crystal and also the experimental final result coincides effectively with simulation result. For a Be aware, multimode operation happened in experiment when the measurement of your pump beam is bigger than TEM00 cavity mode and it brings about bigger CW output electrical power from the displacement location down below 3.5 mm.
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Substantial-power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical apps
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Li2WO4-WO3 flux was more info successfully applied minimizing The expansion temperature below 900 oC. In accordance with one crystal x-ray measurements, the crystal corresponds towards the P2/n Room group.
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