Fascination About KYW Crystal
Fascination About KYW Crystal
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This distinctive attribute of ultrafast pulses permits nonlinear optical conversation with tissue at minimal Total publicity, and drives apps for instance deep-tissue multiphoton microscopy and significant-precision eye operation
The Yb:KYW crystal’s proficiency in mild absorption at all-around 981 nm will make the crystal like minded for diode pumping. It is actually further enhanced by its extraordinary effectiveness in this process, coupled with its very low quantum defect.
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This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with immediate longitudinal pumping by highly effective linear arrays of semiconductor injection lasers having fiber output. To forestall spectral narrowing all through amplification as well as the corresponding lengthening in the amplified pulse when it truly is compressed, a combination of two Yb:KYW crystals had been applied, While using the spectral maxima with the amplification shifted relative to one another and with spectral profiling on the amplified radiation.
Just before the development of Nd:YAG, Nd3+:CaWO4 was a very important uncommon-earth-doped laser obtain medium. It was in fact used in the 1st continuously working crystal laser.
FIG. 1. Optical format of a laser with direct pumping Together with the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output
Spatial framework of your beam along with the corresponding intensity profiles I in the output on the laser.
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW due to the equivalent sizes of these chemical features as much as one hundred% of Yb-doping may be attained.
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Li2WO4-WO3 flux was properly utilized lessening the growth temperature under 900 oC. According to one crystal x-ray here measurements, the crystal corresponds to your P2/n space team.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)2) crystal at place temperature had been measured. The emission spectrum and life span from the 3 File four energized point out were being identified. Utilizing regular and modified Judd–Ofelt theories, the intensity parameters as well as the radiative lifetimes were being calculated and excellent arrangement Together with the experimental success was received for both equally theories.
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