How KYW Crystal can Save You Time, Stress, and Money.
How KYW Crystal can Save You Time, Stress, and Money.
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared with its counterpart Yb:KGW, is actually a exceptional material that performs an essential role in laser technological know-how. Its Major function will be to produce ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
time. Crystals in the compound melts congruently at 1007 oC, even so melt crystallization of high quality crystal is impossible on account of section changeover at ~920 oC. The very best seeded Remedy approach from
Color-coded reflectivity of a Bragg mirror like a function of wavelength and angle with the incident beam.
Optical format of a laser with direct pumping Using the radiation of semiconductor injection lasers. LD is an IPG Photonics laser diode with fiber output with the radiation, WP is usually a 50 %-wave plate, CL is a collimating lens, FL is often a concentrating lens, AE is an active component created from an Yb:KYW crystal, DM is a spherical dichroic mirror, M1-M6 will be the cavity mirrors, OC would be the output mirror, and SAM is actually a semiconductor saturable-absorber mirror.
The monoclinic crystal structures results in a normal birefringence, helping to stay away from thermally induced polarization rotation and depolarization loss.
FIG. 1. Optical structure of the laser with direct pumping Using the radiation of semiconductor injection lasers. LD is definitely an IPG Photonics laser diode with fiber output
Spatial construction of your beam as well as corresponding intensity profiles I on the output on the laser.
For tungstates, the ytterbium doping focus more info can be quite higher with out substantial quenching as the changed ions have an incredibly similar ion radius, plus the inter-ion distance is relatively big.
Substantial-electricity repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical purposes
When ytterbium-doped laser obtain media frequently exhibit a little quantum defect, ytterbium-doped tungstates allow for specially compact values. By way of example, a 1030-nm Yb:YAG laser would Usually be pumped all over 940 nm, whereas Yb:KGW or Yb:KYW could possibly be most proficiently pumped about 981 nm.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is really a amazing materials that performs a significant function in laser know-how. Its primary function is to produce ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
Check with RP Photonics for almost any information regarding tungstate lasers, which includes femtosecond lasers and superior-electric power lasers.