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A1: Sure, BBO crystals Have got a substantial injury threshold, making them well suited for significant-energy laser programs. Their capability to withstand substantial laser intensities with no suffering from optical harm makes them a great option for frequency conversion in superior-electrical power lasers.
Hello there, thanks for making contact with Thorlabs. The wavelength ranges in the antireflective coatings on these β-BBO crystals align Using the respective wavelength bands that these crystals are optimized for. Requests for customizations could be created by achieving out to us at [email protected]
This efficiency is important, especially when 1 considers the technology of the 266nm wavelength, exactly where even small inefficiencies may result in sizeable Electrical power losses.
The phase-matching abilities of BBO crystals ought to have Unique point out. While in the intricate dance of photons, where by conversion from just one wavelength to another is often preferred, the period-matching offered by BBO makes sure that Electrical power losses are minimum.
). This spatial focusing constraint on the SHG method will normally end in the crystal size always becoming a lot less than the Rayleigh number of the enter centered pulse.
The spatial wander-off angle depends upon the size with the beam and also the crystal duration. Even though the angle is often major, it is usually little, commonly about the get of 10 mrad, and may be neglected.
Nevertheless, although BBO crystals can work at room temperature, extreme temperatures should still be averted as they can have an effect on the crystal’s section-matching disorders and most likely induce harm.
In summation, whilst lots of crystals present distinct rewards while in the realm of photonics, BBO crystals arise as in depth powerhouses. They encapsulate An array of options that are not just beneficial in isolation but function synergistically, developing a holistic Alternative for frequency doubling and harmonics era.
Hello, I had been wanting to know if it's probable in your case to create a BBO crystal using a tailor made coating at 532nm elementary and 266nm second harmonic technology. Greatest, Ben
As will be talked over underneath, You will find there's focusing numerical aperture (NA) limitation to your SHG period-matching system accurately analogous for the spectral section matching limitation talked over while in the earlier part (
Customized coatings might be applied to the crystal surfaces to boost their general performance at certain wavelengths or to protect the crystal from environmental components. Having said that, it’s vital that you note that any customization must be carried out thoroughly to stop degrading the crystal’s optical properties.
On the other hand, the nonlinear optical Attributes of a-BBO crystal is vanished because of the centric symmetry with its crystal structure. It's not at all encouraged to implement for NLO procedures.
This informative article dives deep into the benefits and more info special Attributes of BBO crystal and its paramount great importance in economical frequency doubling and harmonics generation at 266nm.