A Simple Key For KYW Crystal Unveiled
A Simple Key For KYW Crystal Unveiled
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This exceptional characteristic of ultrafast pulses permits nonlinear optical conversation with tissue at small Total exposure, and drives purposes including deep-tissue multiphoton microscopy and high-precision eye operation
time. Crystals in the compound melts congruently at 1007 oC, nevertheless soften crystallization of top quality crystal is unachievable as a consequence of period transition at ~920 oC. The highest seeded Answer technique from
The absorption and emission spectra of Yb:KYW Crystals Display screen powerful peaks at 980 nm and 1030 nm, respectively, guaranteeing economical Electrical power conversion and superior overall performance in laser techniques.
This paper describes a femtosecond laser regenerative amplifier depending on two Yb:KYW crystals with immediate longitudinal pumping by effective linear arrays of semiconductor injection lasers having fiber output. To avoid spectral narrowing during amplification as well as corresponding lengthening of the amplified pulse when it truly is compressed, a mix of two Yb:KYW crystals were utilized, Along with the spectral maxima on the amplification shifted relative to one another and with spectral profiling of the amplified radiation.
The monoclinic crystal constructions brings about a natural birefringence, helping to stay away from thermally induced polarization rotation and depolarization loss.
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Spatial construction with the beam as well as the corresponding depth profiles I at the output of the laser.
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By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW because of the very similar sizes of those chemical elements around one hundred% of Yb-doping can be achieved.
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Li2WO4-WO3 flux was successfully used minimizing The expansion temperature below 900 oC. According to solitary crystal x-ray measurements, the crystal corresponds on the P2/n Room team.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at area temperature were being measured. The emission spectrum and lifetime with the three File four psyched condition were being identified. Employing typical and modified Judd–Ofelt theories, the depth parameters as well as radiative lifetimes were calculated and superior settlement With all the experimental success was received for both of those theories.
Concurrently, a shorter laser wavelength may be received; it is possible to function with a quantum defect very well beneath 1%. To be a consequence, the heat technology might be so smaller this partly compensates the reduced thermal conductivity.