Facts About KYW Crystal Revealed
Facts About KYW Crystal Revealed
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The gain bandwidth e.g. of Yb:KGW and Yb:KYW is incredibly significant in contrast with that of Yb:YAG. This enables for huge wavelength tunability and for much shorter pulse durations from mode-locked lasers. Values nicely under one hundred fs are obtained with passive method locking.
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We current a dual-crystal Yb:KGW laserthat iscapable to operate as being a Q-switched oscillator with output electrical power approximately 24 W and pulse size of 20 ns,or as being a regenerative amplifier with output energy as much as 21 W and pulse length underneath 200 fs after compression of chirped pulses. Both of those lasers have outstanding beam high quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals display powerful peaks at 980 nm and 1030 nm, respectively, making certain productive Electrical power conversion and high efficiency in laser techniques.
Optical structure of a laser with immediate pumping Using 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 active aspect produced from an Yb:KYW crystal, DM can be a spherical dichroic mirror, M1-M6 will be the cavity mirrors, OC is definitely the output mirror, and SAM is really a semiconductor saturable-absorber mirror.
Adhesion Test Compliant with MIL-C-675C armed forces criteria, an adhesion exam involved applying a tape that meets LT-ninety technical specs on to the lens movie layer. The tape was affixed thoroughly and then removed vertically. This procedure was performed website thrice, causing no blistering or peeling.
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Spatial framework in the beam as well as corresponding depth profiles I within the output with the laser.
For tungstates, the ytterbium doping concentration can be extremely superior without having sizeable quenching because the replaced ions have an exceedingly equivalent ion radius, plus the inter-ion length is relatively huge.
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW a result of the comparable dimensions of these chemical things as many as 100% of Yb-doping may very well be accomplished.
The thermal conductivity of common double tungstates is in the get to 3–4 W/(K m) �?which is not lousy in contrast with other laser crystals (While quite a few occasions below for YAG), and quite big in comparison Along with the thermal conductivity of usual Eyeglasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is really a remarkable product that plays an important job in laser know-how. Its Major function will be to produce ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
Ask RP Photonics for almost any advice regarding tungstate lasers, together with femtosecond lasers and large-electric power lasers.