KYW Crystal - An Overview
KYW Crystal - An Overview
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The comparison with Eyeglasses is acceptable For the reason that massive gain bandwidth lets e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
We current a dual-crystal Yb:KGW laserthat iscapable to function like a Q-switched oscillator with output electrical power as many as 24 W and pulse duration of twenty ns,or being a regenerative amplifier with output electricity approximately 21 W and pulse length beneath two hundred fs just after compression of chirped pulses. Both of those lasers have great beam good quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Display screen strong peaks at 980 nm and 1030 nm, respectively, ensuring effective Vitality conversion and substantial effectiveness in laser systems.
Ultrafast lasers, with pulse widths of a few picoseconds (ten−twelve s) or considerably less, permit time resolution necessary in laser-thrilled fluorescence life time spectroscopy and imaging strategies.In addition, they deliver superior pulse peak powers at substantial repetition charges and average common output powers.
Just before the event of Nd:YAG, Nd3+:CaWO4 was a vital uncommon-earth-doped laser acquire medium. It had been in fact used in the primary consistently operating crystal laser.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and therefore are employed as lasing elements to create ultrashort (~ one hundred-two hundred fs) high electric power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm click here supports compact laser programs.
A large brightnessQ-switched oscillator and regenerative amplifier based upon a dual-crystal Yb:KGW laser
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Nevertheless, when Nd3+:YAG grew to become commercially readily available, the desire in CaWO4 dropped sharply. In afterwards yrs, sure other tungstate crystals began to bring in loads of awareness.
The thermal conductivity of widespread double tungstates is of the purchase to three–four W/(K m) �?which isn't negative when compared with other laser crystals (Even though many situations lower than for YAG), and reasonably substantial compared With all the thermal conductivity of common glasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, can be a impressive content that plays an important job in laser technologies. Its primary functionality is usually to create ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
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