KYW Crystal - An Overview
KYW Crystal - An Overview
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We current a twin-crystal Yb:KGW laserthat iscapable to function as a Q-switched oscillator with output electrical power approximately 24 W and pulse size of twenty ns,or to be a regenerative amplifier with output ability up to 21 W and pulse period down below two hundred fs soon after compression of chirped pulses. Equally lasers have exceptional beam top quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Exhibit solid peaks at 980 nm and 1030 nm, respectively, making sure efficient Power conversion and higher efficiency in laser programs.
Optical format of the laser with immediate pumping With all the radiation of semiconductor injection lasers. LD is definitely an IPG Photonics laser diode with fiber output of your radiation, WP can be a half-wave plate, CL can be a collimating lens, FL is really a concentrating lens, AE is an Energetic component created from an Yb:KYW crystal, DM is actually a spherical dichroic mirror, M1-M6 are definitely the cavity mirrors, OC may be the output mirror, and SAM is a semiconductor saturable-absorber mirror.
The monoclinic crystal structures brings about a purely natural birefringence, assisting to keep away from thermally induced polarization rotation and depolarization reduction.
Raman, luminescence and transmission spectra reveal optical functions owing to your presence of thulium ions, and therefore the supplies can be click here further more researched while in the scope of laser and luminescence programs.
Spatial composition on the beam as well as the corresponding depth profiles I with the output from the laser.
For tungstates, the ytterbium doping concentration can be quite significant without considerable quenching since the replaced ions have an exceptionally identical ion radius, and the inter-ion distance is relatively big.
Superior-energy repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical programs
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This tandem of characteristics has far-achieving implications, notably in the development of compact however powerfull lasers.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at space temperature have been calculated. The emission spectrum and life time of your 3 F 4 fired up condition ended up identified. Applying regular and modified Judd–Ofelt theories, the intensity parameters as well as the radiative lifetimes ended up calculated and fantastic settlement While using the experimental success was attained for each theories.
At the same time, a shorter laser wavelength can be received; it is feasible to work that has a quantum defect effectively below 1%. As a consequence, the warmth technology might be so little this partly compensates the lower thermal conductivity.