The best Side of BIBO Crystal
The best Side of BIBO Crystal
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The susceptibility to dampness of BiBO is very very low. On the other hand, buyers are encouraged to provide dry situations for both of those use and storage of BiBO to prolong the life time. Water condensation on crystal surfaces must be Certainly averted at any time.
Inertness to Humidity: BIBO crystal is inert to dampness, which means it doesn't degrade or lose its optical Homes when exposed to humidity. This can make BIBO a far more stable and trustworthy choice for optical purposes in various environments.
five mm to attenuate team velocity mismatch and are perfect for frequency doubling or tripling of Ti:sapphire and Yb:doped laser pulses. The essential and noncritical stage matching LBO crystals are perfect for second or 3rd harmonic technology of Nd:YAG and Yb:doped lasers.
Generally, the crystal product ought to have a high optical transparency for all wavelengths associated �?such as, for pump, sign and idler in an optical parametric amplifier.
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The choice with the most suitable crystal substance for a presented software is commonly far from trivial; it must require the thought of many areas. As an example, a superior nonlinearity for frequency conversion of ultrashort pulses does not assistance if the interaction duration is strongly confined by a considerable group velocity mismatch as well as the low problems threshold boundaries the applicable optical intensities.
Operation of nonlinear crystals at temperatures below place temperature (to attain section matching) is usually problematic, as it may well cause condensation of water to the crystal surfaces In the event the surrounding air will not be extremely dry.
In the case of ultrashort pulses the website significant team velocity mismatch enforces using a shorter crystal, which demands significant optical intensities for a provided conversion effectiveness.
Crystals which might be non-critically phase-matched in the crystal oven may show problems once the crystal temperature is improved too fast or too usually. Specifically, anti-reflection coatings can be weakened because of distinctive thermal enlargement coefficients of the involved components.
Even properly underneath the brink for immediate hurt, some crystal elements exhibit a continuous degradation inside the applied quantity, e.
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linear absorption, which often can cause heating at higher optical electric power stages, so the stage matching is disturbed, and thermal lensing could take place
g. in the form of “gray tracking�? This sort of phenomena are significantly common for Procedure with ultraviolet gentle. Observe that a gradual degradation may lead into instant catastrophic damage by way of too much warmth era.