Hygroscopic crystal components deteriorate when they are not normally retained in sufficiently dry air (or perhaps a dry purge gas). This applies e.g. to KDP and BBO, As well as in a lesser extent to LBO. It may be helpful to keep this type of crystal in a considerably elevated temperature, which makes it easier to continue to keep it dry.
If the crystal surfaces remain “soiled�?following the above cleaning methods, the surfaces may need been broken. You should contact us for rework on the crystals.
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With a considerable productive nonlinear coefficient, substantial hurt threshold, and inertness to moisture, BIBO crystal features a number of pros in excess of other nonlinear optical elements including LBO and BBO.
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The choice of the best suited crystal substance for your specified application is commonly much from trivial; it really should include the thought of numerous elements. One example is, a higher nonlinearity for frequency conversion of ultrashort pulses won't assistance In the event the conversation size is strongly limited by a considerable group velocity mismatch as well as low destruction threshold limits the relevant optical intensities.
Procedure of nonlinear crystals at temperatures beneath room temperature (to achieve section matching) is normally problematic, as it may well bring on condensation of drinking water about the crystal surfaces If your encompassing air is not pretty dry.
In summary, BIBO crystal is a promising nonlinear optical product with Fantastic Homes that make it well suited for a wide array of optical applications.
Crystals that happen to be non-critically stage-matched within a crystal oven may well exhibit issues in the event the crystal temperature is modified too promptly or as well usually. In particular, anti-reflection coatings could possibly be ruined as a result of various thermal growth coefficients of the concerned materials.
) to blow off dust and various unfastened contaminants initially. If a dry nitrogen line is offered within the lab, an air gun will also be applied to blow away dust particles. Blow off the surface gently. Do not blow off the crystal itself from the hand!
GWU-Lasertechnik presents all typical nonlinear crystals like LBO, BBO and KTP having a wide variety of specifications. Beside the very well-established materials, innovative crystals like CLBO or BiBO with superb properties for e. g. deep-UV technology or superior-ability ultrashort pulse lasers can be obtained. Despite if individual items for R & D uses are required or Expense-effective numbers in modest, medium or significant batches with in-time supply with the creation line are necessary: GWU’s dedicated support helps to discover the most effective core click here parts for your personal software.
Optical crystals can exhibit various kinds of optical nonlinearities, which may be used in different methods:
Our crystals are Employed in a wide array of programs, such as many forms of nonlinear frequency conversion and electro-optics, but additionally quantum technology.