The smart Trick of KYW Crystal That Nobody is Discussing
The smart Trick of KYW Crystal That Nobody is Discussing
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The obtain bandwidth e.g. of Yb:KGW and Yb:KYW is incredibly substantial as opposed with that of Yb:YAG. This permits for huge wavelength tunability and for A great deal shorter pulse durations from method-locked lasers. Values properly down below 100 fs have been accomplished with passive mode locking.
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Femtosecond laser according to Yb:KYW crystals with suppression of spectral narrowing in a regenerative amplifier by spectral profiling of the pulse
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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 possessing fiber output. To circumvent spectral narrowing for the duration of amplification along with the corresponding lengthening of the amplified pulse when it is compressed, a mix of two Yb:KYW crystals ended up employed, While using the spectral maxima with the amplification shifted relative to one another and with spectral profiling on the amplified radiation.
Following air drying and subsequent cleansing with a cotton cloth soaked in alcohol, the film area confirmed no signs of peeling or scratches.
Raman, luminescence and transmission spectra expose optical capabilities owing on the presence of thulium ions, and so the elements can be further more analyzed from the scope of laser and luminescence apps.
Spatial composition of the beam as well as corresponding depth profiles I with the output of the laser.
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By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW a result of the equivalent sizes of these chemical features nearly one hundred% of Yb-doping may be attained.
The thermal conductivity of frequent double tungstates is from the get to three–4 W/(K m) �?which isn't terrible when compared with other laser crystals (Though a number of times less than for YAG), and pretty large when compared Together with the thermal conductivity of common Eyeglasses.
Li2WO4-WO3 flux was effectively applied lowering the growth temperature under 900 oC. In line with solitary crystal x-ray measurements, the crystal corresponds to your P2/n Place team.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) compared to its counterpart Yb:KGW, is usually a extraordinary substance that plays an essential role in laser technologies. Its Key operate is always to generate ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
Ask RP Photonics for virtually any information relating to tungstate lasers, like femtosecond lasers and click here large-electricity lasers.