Helping The others Realize The Advantages Of KYW Crystal

Helping The others Realize The Advantages Of KYW Crystal

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The comparison with glasses is appropriate since the huge obtain bandwidth lets e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.

We current a dual-crystal Yb:KGW laserthat iscapable to work as being a Q-switched oscillator with output energy approximately 24 W and pulse size of twenty ns,or to be a regenerative amplifier with output electric power up to 21 W and pulse period under two hundred fs right after compression of chirped pulses. Both equally lasers have fantastic beam excellent with beam parameter M2

The absorption and emission spectra of Yb:KYW Crystals display robust peaks at 980 nm and 1030 nm, respectively, ensuring successful Power conversion and superior functionality in laser techniques.

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 from the radiation, WP is a 50 percent-wave plate, CL is really a collimating lens, FL is often a focusing lens, AE is definitely an active element produced from an Yb:KYW crystal, DM is really a spherical dichroic mirror, M1-M6 would be the cavity mirrors, OC will be the output mirror, and SAM is often a semiconductor saturable-absorber mirror.

The monoclinic crystal constructions brings about a all-natural birefringence, helping to prevent thermally induced polarization rotation and depolarization loss.

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

Spatial framework from the beam plus the corresponding intensity profiles I for the output of your laser.

For tungstates, the ytterbium doping concentration can be very substantial without the need of considerable quenching since the replaced ions have an exceptionally related ion radius, along with the inter-ion length is relatively huge.

Nonetheless, the moment Nd3+:YAG became commercially out there, the interest in CaWO4 dropped sharply. In later on several years, specified other tungstate crystals began to draw in a lot of consideration.

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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) compared to its counterpart Yb:KGW, is usually a remarkable product that performs an important position in laser engineering. Its Principal perform would be to produce ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.

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