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This one of a kind characteristic of ultrafast pulses permits nonlinear optical conversation with tissue at low overall publicity, and drives programs such as deep-tissue multiphoton microscopy and superior-precision eye surgical procedures

We present a dual-crystal Yb:KGW laserthat iscapable to work as a Q-switched oscillator with output electricity nearly 24 W and pulse length of 20 ns,or like a regenerative amplifier with output electric power up to 21 W and pulse duration beneath 200 fs right after compression of chirped pulses. The two lasers have exceptional beam good quality with beam parameter M2

The absorption and emission spectra of Yb:KYW Crystals display robust peaks at 980 nm and 1030 nm, respectively, making certain economical Vitality conversion and significant overall performance in laser programs.

This paper describes a femtosecond laser regenerative amplifier depending on two Yb:KYW crystals with direct longitudinal pumping by strong linear arrays of semiconductor injection lasers acquiring fiber output. To circumvent spectral narrowing during amplification and also the corresponding lengthening from the amplified pulse when it's compressed, a mix of two Yb:KYW crystals have been employed, With all the spectral maxima in the amplification shifted relative to each other and with spectral profiling of the amplified radiation.

Just before the development of Nd:YAG, Nd3+:CaWO4 was a very important uncommon-earth-doped laser achieve medium. It was in fact used in the initial continuously running crystal laser.

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

Spatial framework with the beam and the corresponding depth profiles I at the output of the laser.

For tungstates, the ytterbium doping concentration can be quite higher without the need of important quenching because the replaced ions have a very very similar ion radius, as well as the inter-ion length is comparatively significant.

However, once here Nd3+:YAG became commercially obtainable, the fascination in CaWO4 dropped sharply. In afterwards many years, sure other tungstate crystals started to attract a great deal of awareness.

The thermal conductivity of frequent double tungstates is in the order to three–4 W/(K m) �?which isn't undesirable in contrast with other laser crystals (although various instances less than for YAG), and quite massive compared Along with the thermal conductivity of common Eyeglasses.

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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison to its counterpart Yb:KGW, is actually a impressive substance that performs a significant purpose in laser technology. Its primary functionality should be to crank out ultrashort pulses of light, spanning only a few hundred femtoseconds.

Question RP Photonics for just about any advice about tungstate lasers, like femtosecond lasers and higher-ability lasers.