Facts About KYW Crystal Revealed
Facts About KYW Crystal Revealed
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In functional phrases, the Yb:KYW crystal has identified its market in substantial-electricity laser purposes as a consequence of its power to make substantial energy ultrashort laser pulses when keeping a compact sizing. The interaction of its functions �?seamless ytterbium substitution, potent absorption qualities, ultrashort pulse era and efficiency in energy conversion �?positions the Yb:KYW crystal as a cornerstone from the laser technology, masking numerous fields starting from scientific analysis to industrial purposes.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared with its counterpart Yb:KGW, can be a impressive product that performs an essential function in laser technology. Its Principal function would be to make ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
We existing a twin-crystal Yb:KGW laserthat iscapable to work as a Q-switched oscillator with output electric power around 24 W and pulse duration of 20 ns,or being a regenerative amplifier with output electricity around 21 W and pulse length below two hundred fs right after compression of chirped pulses. Both of those lasers have fantastic beam high-quality with beam parameter M2
Colour-coded reflectivity of the Bragg mirror to be a function of wavelength and angle in the incident beam.
Optical format of the laser with direct pumping Together with the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output of your radiation, WP is often a fifty percent-wave plate, CL is actually a collimating lens, FL is actually a focusing lens, AE is definitely an active element made from an Yb:KYW crystal, DM is a spherical dichroic mirror, M1-M6 tend to be the cavity mirrors, OC may be the output mirror, and SAM is actually a semiconductor saturable-absorber mirror.
Adhesion Exam Compliant with MIL-C-675C army expectations, an adhesion take a look at associated applying a tape that meets LT-90 requirements on to the lens movie layer. The tape was affixed absolutely and after that taken out vertically. This method was performed thrice, leading to no blistering or peeling.
Raman, luminescence and transmission spectra expose optical characteristics owing towards the existence of thulium ions, and so the supplies can be even more studied during the scope of laser and luminescence programs.
A high brightnessQ-switched oscillator and regenerative amplifier based upon a dual-crystal Yb:KGW laser
... at half-top were being created within a grasp oscillator with selfsynchronization from the axial modes, described in our before short article. 21 The new version with the laser, compared with that explained in our earlier write-up, utilized an Yb:KYW crystal having an N pcut (optical axis N p of your index ellipsoid was parallel on the propagation route of your laser radiation), Using the polarization of the generated radiation directed alongside the N m axis.
... Not merely the place of crystal from the cavity and also the amplification axis of crystal influences the laser Procedure tremendously, as the absorption and emission cross sections on the crystal are very various based on the orientation on the crystal.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) compared to its counterpart Yb:KGW, can be a extraordinary substance that plays a crucial purpose in laser know-how. Its Principal function is more info usually to generate ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
Concurrently, a shorter laser wavelength could be acquired; it is possible to function having a quantum defect properly under one%. As a consequence, the heat era might be so compact that this partly compensates the lower thermal conductivity.