Top KYW Crystal Secrets
Top KYW Crystal Secrets
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The attain bandwidth e.g. of Yb:KGW and Yb:KYW is extremely significant compared with that of Yb:YAG. This enables for extensive wavelength tunability and for Considerably shorter pulse durations from method-locked lasers. Values properly beneath a hundred fs are actually obtained with passive method locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, as compared to its counterpart Yb:KGW, can be a outstanding substance that plays a vital function in laser technological innovation. Its Main function will be to deliver ultrashort pulses of light, spanning just a few hundred femtoseconds.
The Yb:KYW crystal’s proficiency in light-weight absorption at all over 981 nm helps make the crystal like minded for diode pumping. It is actually even further Increased by its remarkable performance in this process, coupled with its lower quantum defect.
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Ultrafast lasers, with pulse widths of some picoseconds (ten−12 s) or considerably less, allow some time resolution needed in laser-fired up fluorescence life span spectroscopy and imaging methods.Also, they deliver significant pulse peak powers at substantial repetition rates and moderate common output powers.
Ahead of the event of Nd:YAG, Nd3+:CaWO4 was a vital uncommon-earth-doped laser acquire medium. It was in truth Utilized in the first repeatedly operating crystal laser.
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A superior brightnessQ-switched oscillator and regenerative amplifier according to a dual-crystal Yb:KGW laser
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Nevertheless, as soon as Nd3+:YAG became commercially accessible, the interest in CaWO4 dropped sharply. In later many years, sure other tungstate crystals began to bring in many focus.
The thermal conductivity of common double tungstates is of your get to three–four W/(K m) �?which is not undesirable compared with other laser crystals (Even though a number of instances below for YAG), and fairly substantial as opposed Together with the thermal conductivity of typical glasses.
Li2WO4-WO3 flux was productively utilized reducing the growth temperature under 900 oC. According to single crystal x-ray measurements, the crystal corresponds to the P2/n Place group.
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Request RP Photonics for any assistance regarding tungstate lasers, such as femtosecond lasers and higher-energy lasers.