Hygroscopic crystal materials deteriorate when they are not usually saved in sufficiently dry air (or even a dry purge gas). This is applicable e.g. to KDP and BBO, and in a lesser extent to LBO. It could be useful to maintain such a crystal in a somewhat elevated temperature, which makes it much easier to preserve it dry.
If the crystal surfaces are still “filthy�?soon after the above cleansing techniques, the surfaces may have been damaged. Make sure you Speak to us for rework with the crystals.
A lot of the conventional nonlinear crystals like BBO, LBO, BiBO or KTP for frequency doubling, tripling and quadrupling of the fundamental laser radiation are available from inventory. Customer-unique dimensions and AR coatings may also be provided at competitive selling prices.
Commonly, the crystal content should have a superior optical transparency for all wavelengths involved �?by way of example, for pump, signal and idler in an optical parametric amplifier.
BIBO crystals can be employed as large-performance frequency doubling and frequency summing gadgets and also have wide software prospective clients in optical parametric oscillation (OPO).
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Lithium niobate (LiNbO3) and lithium tantalate (LiTaO3) are resources with a relatively robust nonlinearity. They in many cases are used for nonlinear frequency conversion and also for electro-optic modulators. Both components can be found in congruent As well as in stoichiometric kind, with critical discrepancies concerning periodic poling and photorefractive effects (see underneath). Lithium niobate and tantalate are classified as the most often used materials while in the context of periodic poling; the resulting elements are named PPLN (periodically poled lithium niobate) and PPLT, respectively, or PPSLN and PPSLT for the stoichiometric versions.
And is particularly advantageous for creating wavelengths during the eco-friendly and blue spectrum via continuous-wave (CW) radiation. The elevated efficient nonlinearity of BIBO crystal not simply boosts the efficiency on the SHG process but in addition facilitates the utilization of shorter crystal lengths—an indispensable attribute when endeavoring to engineer compact laser units.
rystal floor is horizontal and marginally over your fingers. Have a contemporary, clear sheet of lens tissue and location it about the crystal. Be certain the lens tissue might be drawn through the crystal floor. Following, area a small fall of pure isopropyl Alcoholic beverages (IPA) about the lens tissue in addition to the crystal area.
Borates for instance LBO more info and BBO also get the job done very well in broadly tunable optical parametric oscillators and optical parametric chirped-pulse amplification.
) to blow off dust as well as other free contaminants 1st. If a dry nitrogen line is out there within the lab, an air gun will also be used to blow away dust particles. Blow off the surface area Carefully. Don't blow off the crystal itself from your hand!
GWU-Lasertechnik provides all conventional nonlinear crystals like LBO, BBO and KTP with a broad number of specs. Beside the well-established resources, ground breaking crystals like CLBO or BiBO with remarkable Homes for e. g. deep-UV era or higher-electricity ultrashort pulse lasers are offered. No matter if particular person parts for R & D applications are necessary or Price tag-successful numbers in smaller, medium or large batches with in-time shipping and delivery with the output line are wanted: GWU’s focused assistance helps you to find the ideal Main components on your application.
linear absorption, which could induce heating at higher optical electricity amounts, so that the phase matching is disturbed, and thermal lensing could happen
Due to the fact the second harmonic (SHG) may be greatly utilized to make coherent seen light and ultraviolet radiation, individuals pay attention to it, but the standard nonlinear crystals like KDP, LBO, KTP, B-BBO even have numerous shortcomings. BIBO crystal is a fresh style of nonlinear crystal. As opposed with KDP crystal, it tends to make up with the downside that KDP crystal can expand in substantial measurement but dissolve in water.