In simple phrases, the Yb:KYW crystal has identified its specialized niche in higher-electrical power laser programs because of its ability to create superior Vitality ultrashort laser pulses whilst preserving a compact sizing. The interplay of its options �?seamless ytterbium substitution, robust absorption properties, ultrashort pulse generation and efficiency in Strength conversion �?positions the Yb:KYW crystal as being a cornerstone during the laser technology, covering various fields starting from scientific investigation to industrial apps.

This unique characteristic of ultrafast pulses permits nonlinear optical interaction with tissue at low In general publicity, and drives applications including deep-tissue multiphoton microscopy and higher-precision eye medical procedures

We existing a twin-crystal Yb:KGW laserthat iscapable to function as being a Q-switched oscillator with output electrical power up to 24 W and pulse size of twenty ns,or being a regenerative amplifier with output electrical power approximately 21 W and pulse length underneath 200 fs right after compression of chirped pulses. Both lasers have great beam high-quality with beam parameter M2

FIG. 4. Autocorrelation perform of the pulse 共a兲and spectrum 共b兲of the laser with a rectangular Lively aspect for an output electrical power of seven hundred mW. The width of

This paper describes a femtosecond laser regenerative amplifier according to two Yb:KYW crystals with immediate longitudinal pumping by impressive linear arrays of semiconductor injection lasers acquiring fiber output. To circumvent spectral narrowing through amplification and the corresponding lengthening of the amplified pulse when it really is compressed, a combination of two Yb:KYW crystals ended up applied, Using the spectral maxima on the amplification shifted relative to one another and with spectral profiling of the amplified radiation.

Just after air drying and subsequent cleaning having a cotton cloth soaked in Liquor, the movie surface showed no indications of peeling or scratches.

FIG. one. Optical structure of a laser with direct pumping While using the radiation of semiconductor injection lasers. LD is an IPG Photonics laser diode with fiber output

A high brightnessQ-switched oscillator and regenerative amplifier depending on a twin-crystal Yb:KGW laser

... at half-height ended up created inside a grasp oscillator with selfsynchronization in the axial get more info modes, described within our before short article. 21 The new version on the laser, as opposed to that explained within our previously article, applied an Yb:KYW crystal having an N pcut (optical axis N p on the index ellipsoid was parallel to your propagation direction of the laser radiation), Using the polarization of the created radiation directed together the N m axis.

... Not simply the situation of crystal while in the cavity and also the amplification axis of crystal influences the laser Procedure enormously, since the absorption and emission cross sections from the crystal are pretty distinctive according to the orientation from the crystal.

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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, is usually a outstanding material that plays a significant role in laser engineering. Its Major purpose is usually to make ultrashort pulses of light, spanning just some hundred femtoseconds.

Ask RP Photonics for virtually any guidance relating to tungstate lasers, which include femtosecond lasers and higher-electric power lasers.