The 5-Second Trick For KTP Crystal
The 5-Second Trick For KTP Crystal
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Comparison of selected properties of EO crystals, LN, and KTP, respectively. KTP was most popular for EO products for top-energy and large-repetition charge laser on account of its lessen absorption, top-quality thermal Homes, and similar EO properties. The thermal outcome of EO equipment is 1st due to the fact KTP is really a quasi-1D superionic conductor, so the electrical conductivity is beneficial dependant upon temperature, causing electron-induced destruction and discoloration at substantial temperatures. 2nd, accompanying the increase in laser electricity, among the principal complications was the thermal defection of your back-propagating beam as a consequence of thermally induced refractive index gradients (thermal lensing outcome). In addition, although the birefringence alter due to the temperature transform is usually compensated from the double-crystal framework, the KTP with a significant thermo-optic coefficient, and the oscillating laser and pumping light-weight Vitality absorbed via the front could be compensated as well as again two crystals are various, so while in the higher pumping.
PDF KTP (Potassium titanyl phosphate) is actually a nonlinear crystal primarily Employed in extracavity configuration when an individual pass through the crystal is necessary.
There are two methods to obtain the purpose of cutting down σ33. The initial is to scale back thermal defects, non-stoichiometric defects, and impurity defects by controlling The expansion disorders and rising “ideal�?crystals. Another way to perform small σ33 should be to reduce the “bottleneck�?size and increase the ion sizing from the channel by doping other favorable atoms. By knowing the framework, there are two key mechanisms for these doping to change the σ33: a person will be to change the ion mobility from the “channel,�?and another is usually to alter the “bottleneck�?with the channel. Obviously, What's more, it incorporates The mix and interaction of The 2 mechanisms.
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The collimating lens is undoubtedly an optical part that converts the diverging beam with the laser diode into a parallel beam. The collimating lens is accustomed to improve the beam excellent and lessen the beam divergence.
The laser diode is a device that emits a laser beam with a wavelength of 808 nm (infrared) and a power of 2 W. The laser diode is employed as a pump resource for your Nd:YVO4 crystal, which happens to be a laser gain medium which can amplify gentle at 1064 nm (infrared).
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The modern desire in escalating the frequency conversion performance by periodical poling using contemporary methods of micro- and nanodomain engineering from the crystals of KTP loved ones is big.
The 1 micron gentle is typically generated from the neodymium doped crystal of YAG, Yttrium orthovanadate, or YLF. The KTP can be made use of outdoors the laser cavity or intracavity in which the laser intensity is bigger. This frequency doubling outcome is generally known as 2nd harmonic generation.
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