Not known Details About KYW Crystal
Not known Details About KYW Crystal
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We existing a twin-crystal Yb:KGW laserthat iscapable to function to be a Q-switched oscillator with output electrical power around 24 W and pulse size of 20 ns,or like a regenerative amplifier with output energy approximately 21 W and pulse period below two hundred fs soon after compression of chirped pulses. Each lasers have outstanding beam high quality with beam parameter M2
Shade-coded reflectivity of the Bragg mirror as being a operate of wavelength and angle from the incident beam.
This paper describes a femtosecond laser regenerative amplifier depending on two Yb:KYW crystals with immediate longitudinal pumping by strong linear arrays of semiconductor injection lasers getting fiber output. To circumvent spectral narrowing in the course of amplification and the corresponding lengthening on the amplified pulse when it's compressed, a mix of two Yb:KYW crystals were applied, Using the spectral maxima with the amplification shifted relative to each other and with spectral profiling on the amplified radiation.
Right after air drying and subsequent cleansing using a cotton fabric soaked in alcohol, the film floor confirmed no signs of peeling or scratches.
Raman, luminescence and transmission spectra expose optical characteristics owing for the existence of thulium ions, and for that reason the resources might be further analyzed inside the scope of laser and luminescence purposes.
Spatial framework with the beam plus the corresponding depth profiles I for the output of your laser.
... at fifty percent-top had been produced in a grasp oscillator with selfsynchronization with the axial modes, explained within our before post. 21 The new version of your laser, in contrast to that explained inside our earlier write-up, applied an click here Yb:KYW crystal with an N pcut (optical axis N p in the index ellipsoid was parallel to your propagation direction from the laser radiation), Together with the polarization of your generated radiation directed along the N m axis.
... Not merely the situation of crystal from the cavity but will also the amplification axis of crystal has an effect on the laser Procedure considerably, as the absorption and emission cross sections with the crystal are pretty distinct based on the orientation in the crystal.
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This tandem of attributes has considerably-reaching implications, specially in the construction of compact still powerfull lasers.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is really a exceptional content that performs an essential purpose in laser know-how. Its Key perform is to produce ultrashort pulses of light, spanning just a couple hundred femtoseconds.
Inquire RP Photonics for almost any guidance concerning tungstate lasers, which include femtosecond lasers and superior-electrical power lasers.