KYW Crystal Options
KYW Crystal Options
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In sensible phrases, the Yb:KYW crystal has observed its specialized niche in higher-electricity laser programs as a consequence of its capability to crank out substantial Vitality ultrashort laser pulses although retaining a compact measurement. The interaction of its features �?seamless ytterbium substitution, strong absorption traits, ultrashort pulse generation and efficiency in Electricity conversion �?positions the Yb:KYW crystal for a cornerstone inside the laser know-how, covering various fields ranging from scientific study to industrial applications.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared with its counterpart Yb:KGW, is really a extraordinary materials that performs an essential purpose in laser engineering. Its Most important perform will be to create ultrashort pulses of light, spanning just a couple hundred femtoseconds.
We current a dual-crystal Yb:KGW laserthat iscapable to operate like a Q-switched oscillator with output ability as many as 24 W and pulse size of 20 ns,or as a regenerative amplifier with output ability nearly 21 W and pulse length down below 200 fs immediately after compression of chirped pulses. Both lasers have great beam top quality with beam parameter M2
FIG. 4. Autocorrelation function of the heartbeat 共a兲and spectrum 共b兲of the laser with an oblong Energetic ingredient for an output ability of seven-hundred mW. The width of
This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with immediate longitudinal pumping by effective linear arrays of semiconductor injection lasers acquiring fiber output. To forestall spectral narrowing through amplification along with the corresponding lengthening of your amplified pulse when it is compressed, a combination of two Yb:KYW crystals were employed, Together with the spectral maxima from the amplification shifted relative to each other and with spectral profiling of your amplified radiation.
Prior to the event of Nd:YAG, Nd3+:CaWO4 was an important unusual-earth-doped laser get medium. It was in fact used in the main continuously running crystal laser.
FIG. 1. Optical structure of check here the laser with direct pumping While using the radiation of semiconductor injection lasers. LD is undoubtedly an IPG Photonics laser diode with fiber output
A high brightnessQ-switched oscillator and regenerative amplifier according to a dual-crystal Yb:KGW laser
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... Don't just the placement of crystal while in the cavity but additionally the amplification axis of crystal has an effect on the laser operation tremendously, because the absorption and emission cross sections of the crystal are fairly distinct based on the orientation in the crystal.
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Li2WO4-WO3 flux was efficiently used reducing the growth temperature beneath 900 oC. In keeping with single crystal x-ray measurements, the crystal corresponds for the P2/n Room group.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, is actually a impressive materials that plays an important job in laser technology. Its Main functionality is always to deliver ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
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