The Definitive Guide to KYW Crystal
The Definitive Guide to KYW Crystal
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This distinctive characteristic of ultrafast pulses permits nonlinear optical conversation with tissue at low Over-all exposure, and drives purposes for example deep-tissue multiphoton microscopy and superior-precision eye operation
We existing a dual-crystal Yb:KGW laserthat iscapable to operate as being a Q-switched oscillator with output energy around 24 W and pulse size of 20 ns,or as a regenerative amplifier with output electric power nearly 21 W and pulse period underneath two hundred fs following compression of chirped pulses. Each lasers have superb beam top quality with beam parameter M2
Color-coded reflectivity of the Bragg mirror like a perform of wavelength and angle on the incident beam.
This paper describes a femtosecond laser regenerative amplifier determined by two Yb:KYW crystals with direct longitudinal pumping by highly effective linear arrays of semiconductor injection lasers getting fiber output. To circumvent spectral narrowing for the duration of amplification and the corresponding lengthening with the amplified pulse when it's compressed, a mix of two Yb:KYW crystals were being employed, Using the spectral maxima with the amplification shifted relative to one another and with spectral profiling from the amplified radiation.
Right before the development of Nd:YAG, Nd3+:CaWO4 was a very important unusual-earth-doped laser gain medium. It was in reality Employed in the first constantly working crystal laser.
FIG. 1. Optical structure of the laser with direct pumping While using the radiation of semiconductor injection lasers. LD is undoubtedly an IPG Photonics laser diode with fiber output
5 mm apart from the middle of your beam caustic. So that you can Look at the manner matching simulation, we executed the experiment with Ng-Slice crystal oscillator, which was designed Formerly and in a exact affliction with simulation [11]. As shown in Figure three(b) with purple dots and line, the CW output electricity is highly dependent on the position of laser crystal plus the experimental outcome coincides perfectly with simulation outcome. To be a note, multimode operation happened in experiment when the measurement of your pump beam is greater than TEM00 cavity manner and it brings about higher CW output electricity in the displacement region underneath three.five mm.
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By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to identical measurements of those chemical things read more as much as one hundred% of Yb-doping can be obtained.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) compared to its counterpart Yb:KGW, is really a exceptional materials that performs an important job in laser technological know-how. Its Principal perform is to crank out ultrashort pulses of light, spanning just a couple hundred femtoseconds.
Talk to RP Photonics for almost any guidance relating to tungstate lasers, such as femtosecond lasers and superior-electrical power lasers.