Crystals which happen to be non-critically period-matched in the crystal oven may perhaps exhibit challenges in the event the crystal temperature is improved too fast or as well often. Especially, anti-reflection coatings may be weakened resulting from diverse thermal enlargement coefficients on the associated resources.
Good day, thanks for contacting Thorlabs. The wavelength ranges of your antireflective coatings on these β-BBO crystals align Together with the respective wavelength bands that these crystals are optimized for. Requests for customizations can be produced by achieving out to us at [email protected]
Regretably, it may be very hard to compare the LIDT specification of the optic on your laser. You can find multiple regimes where a pulsed laser can destruction an optic which is predicated around the laser's pulse duration. The highlighted columns while in the table down below define the related pulse lengths for our specified LIDT values.
Furthermore, spectroscopy, a method that’s elementary in examining and understanding the properties of assorted substances, reaps the rewards of BBO’s capabilities. Spectroscopy depends about the conversation involving mild and make any difference to derive insights a few compound’s composition, composition, as well as other Attributes.
Wide openness wide range: BBO crystals have a wide openness array from 189 nm to 3500 nm, covering ultraviolet, obvious, and around-infrared areas. This allows BBO crystals to be used for numerous laser resources with various wavelengths.
Superior injury threshold: BBO crystals have significant destruction limits that could stand up to their high best and typical electric power without having degradation or destruction.
Temperature degree sensitivity: BBO crystals temperature sensitivity influences their refractive indices and likewise stage-matching challenges. This desires temperature amount stabilizing or tuning instruments to maintain the best possible performance.
Beta Barium Borate (BBO) crystals have taken the globe of photonics by storm. One of the most amazing elements of these crystals is their revolutionary function in 266nm era.
Beam diameter can also be crucial that you know when comparing damage thresholds. When the LIDT, when expressed in models of J/cm², scales independently of spot dimensions; big beam sizes are more likely to illuminate a larger range of defects which can result in larger variances from the LIDT [four].
Although this general guideline presents a typical development, it is not a quantitative Examination of LIDT vs wavelength. In CW apps, For illustration, damage scales extra strongly with absorption within the coating and substrate, which doesn't necessarily scale nicely with wavelength.
Significant nonlinear coefficients: BBO crystals have important nonlinear coefficients that make economical frequency conversion procedures with reduced input electricity requires probable.
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Finally, spectroscopy, the research of interactions involving make a difference and electromagnetic radiation, drastically Positive aspects through the 266nm era. In spectroscopic programs, various wavelengths of light interact in another way with materials, providing a spectrum which might click here be analyzed to find out the fabric’s Attributes or composition.
Optical parametric amplification (OPA): We use OPA to measure our items�?nonlinear conversion general performance and stage-matching angle for just a provided input wavelength and sign/idler wavelengths. We ensure that our products and solutions fulfill the specs for OPA applications.