Hygroscopic crystal materials deteriorate when they're not normally held in sufficiently dry air (or simply a dry purge gas). This applies e.g. to KDP and BBO, and in a lesser extent to LBO. It can be valuable to maintain this kind of crystal in a fairly elevated temperature, which makes it simpler to hold it dry.
If the crystal surfaces are still “soiled�?soon after the above cleaning processes, the surfaces may need been ruined. You should Call us for rework of the crystals.
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The level of the solvent might be adjusted for a variety of crystal size And so the lens tissue is held moist for the entire drag but there's not any obvious trace of solvent to the crystal surface area once the drag is finished. Inspect the floor and repeat if essential, but only use Each individual sheet of lens tissue when.
BIBO crystals can be utilized as significant-efficiency frequency doubling and frequency summing gadgets and possess broad application prospective clients in optical parametric oscillation (OPO).
GWU-Lasertechnik has more than thirty years of practical experience in distributing laser crystals. Pick GWU to benefit from our extensive know-how and in-discipline working experience!
The choice of your most fitted crystal material for any supplied software is commonly far from trivial; it ought to contain the thought of numerous features. For example, a higher nonlinearity for frequency conversion of ultrashort pulses won't assistance When the interaction duration is strongly minimal by a considerable team velocity mismatch along with the lower destruction threshold restrictions the applicable optical intensities.
Procedure of nonlinear crystals at temperatures under room temperature (to realize section matching) is generally problematic, as it may cause condensation of h2o on the crystal surfaces In the event the encompassing air is not really very dry.
rystal surface area is horizontal and somewhat higher than your fingers. Have a contemporary, cleanse sheet of lens tissue and position it to the crystal. Ensure that the lens tissue might be drawn throughout the crystal surface. Future, area a small fall of pure isopropyl alcohol (IPA) over the lens tissue in addition to the crystal area.
the chemical longevity; e.g., some crystal materials are hygroscopic, Other folks undertake chemical variations when heated inside a vacuum chamber for application of a dielectric coating
In several situations, a nonlinear crystal check here used for nonlinear frequency conversion has an incredibly lengthy life span, which can be longer than that of The entire laser procedure. The crystal content is actually not modified throughout operation. Having said that, a decreased crystal life time can come about under different situation:
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Large electrical power laser program: BIBO crystals are ideal for use in high-ability laser units because of their higher harm threshold as well as their potential to withstand superior-intensity laser beams with out destruction. This provides BIBO crystals a significant advantage in laser purposes that demand high Electricity output.
Our crystals are Utilized in a variety of purposes, such as a variety of varieties of nonlinear frequency conversion and electro-optics, but will also quantum technologies.