This effectiveness is significant, especially when one considers the era on the 266nm wavelength, exactly where even minimal inefficiencies can result in major energy losses.
Whilst the above process offers a great guideline for LIDT values, be sure to contact Tech Guidance If the wavelength differs from the specified LIDT wavelength. In case your electric power density is fewer than the altered LIDT from the optic, then the optic must perform for your application.
A1: Of course, BBO crystals Have a very significant harm threshold, earning them appropriate for large-electric power laser techniques. Their capability to resist higher laser intensities without the need of struggling from optical hurt will make them a great option for frequency conversion in significant-power lasers.
Crystal lifetime may also be strongly dependent on the material quality, although certain degradation phenomena appear to be intrinsic restrictions of the material.
In place of the reference pulse ability spectrum comprising an apodization filter, in the spatial domain the filter will be in NA. The angular domain apodization filter having said that, is barely in one-dimension described from the airplane k and .
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When laser light is focused to a spot, the diameter of your beam midsection is definitely the focal place sizing, and the speed at which the light diverges within the beam waistline is connected to the Rayleigh selection (zR).
In combination with their use in laser frequency conversion, BBO crystals have found programs in electro-optic modulation and quantum optics experiments.
A5: Indeed, BBO crystals have exceptional thermal security and can retain their Homes at area temperature. Because of this they may be used in a wide array of environments with out necessitating Specific temperature Regulate.
Rather than decompose the SHG polarization into components Ex and Ez, The sunshine is usually described as a unprecedented wave (E'e) that has a refractive index, n'e. During the diagram on the appropriate, n'e, which is determined by θ, is indicated with the intersection with the conic part illustrated because of the crimson ellipse Using the XZ aircraft.
Hi, I had been asking yourself if It is doable for yourself to provide a BBO crystal by using a custom made coating at 532nm basic and 266nm next harmonic era. Greatest, Ben
The crystal axis is c. The Main ray is parallel to the direction used to evaluate the tuning angle (θ), which is optimized more info throughout phase matching. Conversion performance is optimized for rays parallel to your chief ray and even worse for rays at much larger angles (ψ) on the Main ray.
This is actually the so-called oo-e arrangement, as the two photons from the elemental are polarization-oriented along the standard axis and the 2nd harmonic photon's polarization is while in the incredible plane.
When picking a supplier, consider things like the provider’s encounter, product or service quality, customer support, and pricing. It’s also a smart idea to ask for a sample or possibly a exam report to verify the quality of the crystals before making a acquire.
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