How KYW Crystal can Save You Time, Stress, and Money.

The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is incredibly massive in comparison with that of Yb:YAG. This enables for broad wavelength tunability and for Significantly shorter pulse durations from mode-locked lasers. Values well below a hundred fs have been obtained with passive manner locking.

This unique characteristic of ultrafast pulses enables nonlinear optical interaction with tissue at minimal Total exposure, and drives programs for example deep-tissue multiphoton microscopy and significant-precision eye medical procedures

We existing a dual-crystal Yb:KGW laserthat iscapable to operate as a Q-switched oscillator with output ability approximately 24 W and pulse size of 20 ns,or like a regenerative amplifier with output power approximately 21 W and pulse period under two hundred fs after compression of chirped pulses. Each lasers have outstanding beam top quality with beam parameter M2

Shade-coded reflectivity of a Bragg mirror being a operate of wavelength and angle in the incident beam.

This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with immediate longitudinal pumping by potent linear arrays of semiconductor injection lasers possessing fiber output. To avoid spectral narrowing throughout amplification and also the corresponding lengthening in the amplified pulse when it's compressed, a mix of two Yb:KYW crystals were employed, Using the spectral maxima in the amplification shifted relative to one another and with spectral profiling in the amplified radiation.

In advance of the event of Nd:YAG, Nd3+:CaWO4 was a vital rare-earth-doped laser achieve medium. It had been the truth is Employed in the main consistently working crystal laser.

FIG. 1. Optical layout of the laser with immediate pumping Along with the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output

five mm other than the middle in the beam caustic. In order to Test the mode matching simulation, we done the experiment with Ng-Reduce read more crystal oscillator, which was designed Earlier As well as in a identical ailment with simulation [11]. As demonstrated in Determine 3(b) with crimson dots and line, the CW output ability is highly dependent on the situation of laser crystal and the experimental end result coincides perfectly with simulation result. Being a Observe, multimode operation transpired in experiment if the sizing of the pump beam is greater than TEM00 cavity method and it results in higher CW output electrical power while in the displacement area underneath three.five mm.

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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW because of the comparable measurements of those chemical components as much as 100% of Yb-doping can be obtained.

When ytterbium-doped laser achieve media typically show a little quantum defect, ytterbium-doped tungstates make it possible for for specially tiny values. For instance, a 1030-nm Yb:YAG laser would normally be pumped close to 940 nm, Whilst Yb:KGW or Yb:KYW can be most competently pumped all-around 981 nm.

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Question RP Photonics for just about any guidance concerning tungstate lasers, together with femtosecond lasers and large-energy lasers.