The Single Best Strategy To Use For KYW Crystal
The Single Best Strategy To Use For KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison to its counterpart Yb:KGW, can be a extraordinary content that plays a vital job in laser technologies. Its primary purpose should be to create ultrashort pulses of light, spanning just a couple hundred femtoseconds.
We current a twin-crystal Yb:KGW laserthat iscapable to operate being a Q-switched oscillator with output power nearly 24 W and pulse length of 20 ns,or being a regenerative amplifier with output ability up to 21 W and pulse duration under 200 fs soon after compression of chirped pulses. The two lasers have great beam good quality with beam parameter M2
Shade-coded reflectivity of a Bragg mirror to be a operate of wavelength and angle of the incident beam.
Optical layout of a laser with immediate pumping While using the radiation of semiconductor injection lasers. LD is undoubtedly an IPG Photonics laser diode with fiber output in the radiation, WP can be a 50 %-wave plate, CL is actually a collimating lens, FL is often a focusing lens, AE is undoubtedly an Lively factor constructed from an Yb:KYW crystal, DM can be a spherical dichroic mirror, M1-M6 are classified as the cavity mirrors, OC is definitely the output mirror, and SAM can be a semiconductor saturable-absorber mirror.
Adhesion Check Compliant with MIL-C-675C army criteria, an adhesion check associated implementing a tape that fulfills LT-90 specifications onto the lens movie layer. The tape was affixed completely then eradicated vertically. This process was carried out 3 times, leading to no blistering or peeling.
Raman, luminescence and transmission spectra reveal optical options owing to your presence of thulium ions, and as a consequence the elements could possibly be additional examined inside the scope of laser and luminescence applications.
Tungstates are inclined to obtain superior Raman coefficients (�?Raman scattering). Therefore, they might create considerable Raman gain at average optical intensities. It can be done to make use of the laser crystal alone as being a Raman converter.
... at half-height have been produced in the grasp oscillator with more info selfsynchronization on the axial modes, described inside our previously posting. 21 The new edition in the laser, in contrast to that described inside our earlier article, applied an Yb:KYW crystal having an N pcut (optical axis N p of the index ellipsoid was parallel towards the propagation course with the laser radiation), Along with the polarization of your generated radiation directed alongside the N m axis.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW because of the equivalent measurements of those chemical things nearly 100% of Yb-doping may be accomplished.
The thermal conductivity of popular double tungstates is from the order to 3–four W/(K m) �?which isn't undesirable compared with other laser crystals (Though a number of occasions below for YAG), and quite large in comparison With all the thermal conductivity of usual Eyeglasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, can be a impressive content that plays an essential role in laser technology. Its primary functionality will be to make ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
Simultaneously, a shorter laser wavelength might be attained; it can be done to operate having a quantum defect properly underneath one%. To be a consequence, the warmth technology can be so tiny that this partly compensates the reduce thermal conductivity.