Hygroscopic crystal resources deteriorate when they're not generally stored in adequately dry air (or even a dry purge fuel). This applies e.g. to KDP and BBO, As well as in a lesser extent to LBO. It may be helpful to maintain such a crystal in a relatively elevated temperature, that makes it much easier to continue to keep it dry.
Furthermore, it has a significant software in productive era of ultrabright entangled photons by blue pumped spontaneous parametric down conversions (SPDC).
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Also, it could be remarkably fascinating to use a crystal substance which may be critically phase-matched at home temperature mainly because noncritical period matching normally includes the operation with the crystal within a temperature-stabilized crystal oven. Having said that, the feasibility of essential phase matching can be offered just for sufficiently large peak powers.
GWU-Lasertechnik has greater than thirty many years of working experience in distributing laser crystals. Pick GWU to benefit from our extensive knowledge and in-industry encounter!
Lithium niobate (LiNbO3) and lithium tantalate (LiTaO3) are supplies with a relatively potent nonlinearity. They tend to be utilized for nonlinear frequency conversion and in addition for electro-optic modulators. Equally elements can be found in congruent As well as in stoichiometric variety, with significant dissimilarities about periodic poling and photorefractive consequences (see down below). Lithium niobate and tantalate would be the most frequently made use of products during click here the context of periodic poling; the ensuing resources are referred to as PPLN (periodically poled lithium niobate) and PPLT, respectively, or PPSLN and PPSLT to the stoichiometric versions.
Bismuth Triborate (BiB3O6 or BIBO) is really a newly produced nonlinear optical crystal. It possesses massive productive nonlinear coefficient, significant destruction threshold and inertness with regard to humidity.
They exhibit very good homogeneity more than massive volumes and also have a superior injury threshold, but are hygroscopic and possess a low nonlinearity.
Crystals which are non-critically period-matched inside of a crystal oven may possibly show troubles in the event the crystal temperature is adjusted much too rapidly or too typically. Particularly, anti-reflection coatings could possibly be damaged due to distinctive thermal enlargement coefficients of the included supplies.
Even very well down below the brink for immediate injury, some crystal elements exhibit a continual degradation throughout the made use of quantity, e.
GWU-Lasertechnik provides all normal nonlinear crystals like LBO, BBO and KTP that has a wide variety of specifications. Beside the effectively-recognized elements, innovative crystals like CLBO or BiBO with excellent Qualities for e. g. deep-UV era or substantial-energy ultrashort pulse lasers are offered. It doesn't matter if individual parts for R & D purposes are necessary or Expense-economical quantities in smaller, medium or significant batches with in-time supply with the output line are desired: GWU’s focused assistance really helps to discover the greatest core components for your software.
Optical crystals can show unique forms of optical nonlinearities, which may be utilized in several approaches:
Our crystals are Employed in a variety of apps, like a variety of varieties of nonlinear frequency conversion and electro-optics, and also quantum technological know-how.