KYW Crystal Secrets

KYW Crystal Secrets

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We current a twin-crystal Yb:KGW laserthat iscapable to operate like a Q-switched oscillator with output ability nearly 24 W and pulse length of twenty ns,or for a regenerative amplifier with output electric power up to 21 W and pulse duration beneath two hundred fs soon after compression of chirped pulses. The two lasers have fantastic beam excellent with beam parameter M2

Colour-coded reflectivity of a Bragg mirror for a function of wavelength and angle from the incident beam.

Ultrafast lasers, with pulse widths of some picoseconds (ten−12 s) or a lot less, help some time resolution demanded in laser-psyched fluorescence life time spectroscopy and imaging tactics.Also, they produce substantial pulse peak powers at higher repetition rates and average common output powers.

Ahead of the event of Nd:YAG, Nd3+:CaWO4 was a very important exceptional-earth-doped laser gain medium. It had been in actual fact used in the primary consistently operating crystal laser.

FIG. one. Optical format of the laser with direct pumping with the radiation of semiconductor website injection lasers. LD can be an IPG Photonics laser diode with fiber output

A significant brightnessQ-switched oscillator and regenerative amplifier based upon a twin-crystal Yb:KGW laser

For tungstates, the ytterbium doping concentration can be very substantial with no major quenching since the changed ions have an incredibly equivalent ion radius, and the inter-ion length is fairly massive.

By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to the identical measurements of these chemical elements nearly one hundred% of Yb-doping could possibly be accomplished.

The thermal conductivity of typical double tungstates is of your buy to 3–four W/(K m) �?which isn't undesirable in contrast with other laser crystals (Whilst many times below for YAG), and pretty substantial compared Together with the thermal conductivity of typical Eyeglasses.

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