Top BIBO Crystal Secrets
Top BIBO Crystal Secrets
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The susceptibility to moisture of BiBO is quite small. On the other hand, buyers are encouraged to supply dry conditions for both of those use and storage of BiBO to extend the life span. H2o condensation on crystal surfaces need to be Certainly avoided Anytime.
Inertness to Humidity: BIBO crystal is inert to humidity, which implies it doesn't degrade or get rid of its optical Qualities when subjected to humidity. This would make BIBO a more secure and reliable choice for optical apps in different environments.
five mm to attenuate group velocity mismatch and are perfect for frequency doubling or tripling of Ti:sapphire and Yb:doped laser pulses. The critical and noncritical stage matching LBO crystals are perfect for next or third harmonic technology of Nd:YAG and Yb:doped lasers.
The amount of the solvent is usually modified for many crystal measurement And so the lens tissue is held moist for the entire drag but there's not any noticeable trace of solvent on the crystal surface after the drag is finished. Inspect the floor and repeat if required, but only use Each and every sheet of lens tissue as soon as.
BIBO crystals can be utilized as significant-performance frequency doubling and frequency summing devices and also have broad application prospective customers in optical parametric oscillation (OPO).
Dust and stains on crystal surfaces can result in scattering/loss of light and may even respond with gentle to wreck optical surfaces at a higher incident laser power.
Note that although the nominal intensity is down below the nominal damage threshold, there may be problems as a result of fluctuations in the beam electrical power or neighborhood intensity (e.g., if a beam profile has “sizzling spots�?, or on account of isolated defects in a crystal, that happen to be much more sensitive than the standard crystal materials.
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They show great homogeneity around massive volumes and have a significant harm click here threshold, but are hygroscopic and also have a very low nonlinearity.
Numerous Attributes of the nonlinear crystal might be vital for an software e.g. in nonlinear frequency conversion:
In lots of conditions, a nonlinear crystal utilized for nonlinear frequency conversion has a really extended life span, that is for a longer period than that of The entire laser procedure. The crystal product is basically not modified in the course of operation. Having said that, a reduced crystal life time can take place below several conditions:
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The magnitude of your effective nonlinear coefficient is determined by the nonlinear tensor parts and about the used stage-matching configuration. A substantial nonlinearity is significant significantly In case the achievable optical intensities are very low.
g. in the form of “gray monitoring�? Such phenomena are specially widespread for operation with ultraviolet mild. Observe that a gradual degradation may also direct into fast catastrophic damage by way of abnormal warmth technology.