The Definitive Guide to BBO Crystal
The Definitive Guide to BBO Crystal
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In some instances, the mismatch is usually compact. For instance, any time a β-BBO crystal is used to frequency double 1550 nm light and supply 775 nm gentle, the team velocity mismatch is just a few femtoseconds for each millimeter.
Hello there, thank you for getting in touch with Thorlabs. The wavelength ranges in the antireflective coatings on these β-BBO crystals align While using the respective wavelength bands that these crystals are optimized for. Requests for customizations can be made by achieving out to us at [email protected]
A1: Sure, BBO crystals Have got a high destruction threshold, generating them appropriate for significant-energy laser methods. Their ability to withstand substantial laser intensities devoid of suffering from optical destruction will make them a superb choice for frequency conversion in superior-ability lasers.
Thorlabs expresses LIDT for CW lasers being a linear power density calculated in W/cm. In this particular regime, the LIDT offered as being a linear power density is usually applied to any beam diameter; one won't should compute an modified LIDT to adjust for adjustments in spot size, as shown by the graph to the ideal. Ordinary linear ability density could be calculated utilizing the equation underneath.
Delving deeper in the prowess of BBO crystals, it’s apparent they depict the forefront of contemporary photonics. Their broad transparency selection not merely bestows them with flexibility but will also assures that they are compatible with numerous light-weight resources.
Having said that, to completely use the probable of BBO crystals, it really is very important to grasp their properties and how to take care of and retail outlet them adequately. These crystals involve cautious managing to forestall damage to their surfaces and will be stored inside a dry, interesting location to maintain their optical general performance.
Figure 22: The diagram at the top reveals two pulses with diverse center frequencies incident on a material. The team velocity hold off in between the pulses if they enter the fabric is zero.
The duration of your crystal is an important parameter to take into account when optimizing the SHG approach to the parameters of certain enter pulses. Absent period-matching and temporal stroll-off effects, the SHG output improves exponentially with crystal duration. The goal when finding an SHG crystal should be to equilibrium the crystal duration with the restrictions determined by the basic pulse. Decreasing the crystal thickness cuts down results linked to both section-matching bandwidth restrictions and temporal walk-off, which are directly similar.
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While this rule of thumb presents a normal trend, It is far from a quantitative analysis of LIDT vs wavelength. In CW purposes, For example, injury scales additional strongly with absorption from the coating and substrate, which would BBO Crystal not essentially scale nicely with wavelength.
This assets sets it besides linear optical components that don’t change the frequency of light passing through them. This type of distinguishing aspect types the muse to get a myriad of purposes that BBO can serve.
The production of Beta-Barium Borate (BBO) crystals is a posh and meticulous method that needs a substantial degree of precision and experience. This method, referred to as the flux method, commences Together with the preparation of a combination of barium borate and barium fluoride.
Finally, spectroscopy, the review of interactions involving matter and electromagnetic radiation, greatly Gains from the 266nm era. In spectroscopic apps, unique wavelengths of light interact differently with resources, offering a spectrum which can be analyzed to ascertain the material’s Attributes or composition.
Optical parametric amplification (OPA): We use OPA to measure our pieces�?nonlinear conversion effectiveness and section-matching angle for your offered enter wavelength and sign/idler wavelengths. We guarantee that our merchandise fulfill the specs for OPA purposes.