The attain bandwidth e.g. of Yb:KGW and Yb:KYW is very significant when compared with that of Yb:YAG. This enables for broad wavelength tunability and for A lot shorter pulse durations from manner-locked lasers. Values well underneath a hundred fs have been achieved with passive manner locking.

The comparison with Eyeglasses is appropriate since the big achieve bandwidth makes it possible for e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.

The Yb:KYW crystal’s proficiency in gentle absorption at all over 981 nm makes the crystal well suited for diode pumping. It is further more enhanced by its amazing effectiveness in this process, coupled with its minimal quantum defect.

FIG. four. Autocorrelation operate of the heartbeat 共a兲and spectrum 共b兲of a laser with a rectangular Lively aspect for an output energy of 700 mW. The width of

Ultrafast lasers, with pulse widths of some picoseconds (10−twelve s) or considerably less, permit some time resolution needed in laser-energized fluorescence lifetime spectroscopy and imaging approaches.Furthermore, they produce significant pulse peak powers at significant repetition rates and reasonable normal output powers.

Prior to the event of Nd:YAG, Nd3+:CaWO4 was a vital exceptional-earth-doped laser acquire medium. It absolutely was the truth is used in the 1st continually functioning crystal laser.

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

For tungstates, the ytterbium doping concentration can be extremely large with out sizeable quenching because the replaced ions have a really similar ion radius, and also the inter-ion distance is fairly big.

By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW because of the related dimensions of these chemical factors as much as one hundred% of Yb-doping could be realized.

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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, can be a remarkable material that plays a very important job in laser know-how. Its Major function should be to generate ultrashort pulses of sunshine, spanning just some hundred femtoseconds.

Inquire RP Photonics for just about any tips about tungstate lasers, together with femtosecond lasers and high-electrical power lasers.