The smart Trick of KYW Crystal That No One is Discussing
The smart Trick of KYW Crystal That No One is Discussing
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This unique characteristic of ultrafast pulses permits nonlinear optical interaction with tissue at small All round publicity, and drives purposes for instance deep-tissue multiphoton microscopy and higher-precision eye surgical procedures
We present a dual-crystal Yb:KGW laserthat iscapable to work being a Q-switched oscillator with output electrical power around 24 W and pulse duration of twenty ns,or as being a regenerative amplifier with output power as many as 21 W and pulse period below two hundred fs after compression of chirped pulses. Equally lasers have great beam quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals display robust peaks at 980 nm and 1030 nm, respectively, ensuring economical Power conversion and significant effectiveness in laser systems.
Ultrafast lasers, with pulse widths of some picoseconds (ten−12 s) or fewer, permit enough time resolution expected in laser-energized fluorescence life time spectroscopy and imaging methods.Also, they provide higher pulse peak powers at higher repetition charges and reasonable common output powers.
Just before the development of Nd:YAG, Nd3+:CaWO4 was a very important scarce-earth-doped laser attain medium. It was in reality Utilized in the main continually operating crystal laser.
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Tungstates tend to acquire high Raman coefficients (�?Raman scattering). Thus, they could make sizeable Raman gain at moderate optical intensities. It can be done to utilize the laser crystal by itself like a Raman converter.
... at 50 %-peak were generated inside of a learn oscillator with selfsynchronization with the axial modes, described inside our before posting. 21 The new edition of your laser, compared with that explained in our earlier posting, made use of an Yb:KYW crystal with an N pcut (optical axis N p of your index ellipsoid was parallel for the propagation course in the laser radiation), With all the polarization of your produced radiation directed alongside the N m axis.
... Don't just the posture of crystal during the cavity and also the amplification axis of crystal affects the laser operation tremendously, as the absorption and emission cross sections of your crystal are very distinct according to the orientation of the crystal.
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The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)2) crystal at space temperature had been calculated. The emission spectrum and lifetime from the 3 F 4 fired up point out were decided. Using conventional and modified Judd–Ofelt theories, the intensity parameters plus the radiative lifetimes were being calculated and great arrangement With all the experimental success was obtained for both equally theories.
Question RP Photonics for almost any advice relating to tungstate lasers, like femtosecond lasers and large-energy lasers.