BBO Crystal Things To Know Before You Buy
BBO Crystal Things To Know Before You Buy
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These Uncooked resources are thoroughly measured and mixed in exact proportions to ensure the optimal composition of your ensuing crystals.
BBO crystals are developed using the flux strategy, a approach that includes melting Uncooked resources at significant temperatures. The molten material is then bit by bit cooled to form a crystal. This method necessitates specific Charge of temperature and cooling fee to make sure the crystal’s quality and integrity.
Their large damage threshold and great thermal balance make them well suited for use in substantial-electrical power laser devices, whilst their huge transparency selection will allow them to work that has a broad array of laser wavelengths.
Within the large environment of nonlinear optical crystals, BBO crystals stick out as pioneers, particularly in the realm of 266nm era.
Normally, the crystal materials ought to have a substantial optical transparency for all wavelengths involved �?for instance, for pump, sign and idler within an optical parametric amplifier.
A standard technique for getting ultrathin crystals would be to initial optically Call a thicker nonlinear crystal with a few substrate (e.g. of fused silica) and after that to shine the crystal all the way down to the necessary thickness of e.
Remember to Take note that We now have a buffer crafted between the required destruction thresholds online and the assessments which we have finished, which accommodates variation among batches. Upon ask for, we can offer person take a look at info plus a tests certification.
We also gauge the improved pulses�?temporal pulse form and spectral transmission capacity. We Make certain that our products and solutions meet up with the necessities for OPCPA purposes.
We also layer our merchandise with anti-reflection levels to lower representation losses at the crystal surfaces.
Since the dynamics of this process are extremely more info topic to experimental parameters, it truly is challenging to arbitrarily forecast the specific results on the second harmonic pulse. These effects can consist of back conversion, during which second harmonic light is converted again to essential gentle, and spectral narrowing on the SHG pulse.
Substantial nonlinear coefficients: BBO crystals have significant nonlinear coefficients which make effective frequency conversion processes with minimal input electricity calls for doable.
Having said that, in several conditions, the primary difference in the basic and 2nd harmonic pulse velocities can result in a single pulse to noticeably lag the opposite.
Hence, the second harmonic pulse spectrum, shown on the right, has a spectral width approximately the same as The best circumstance. Preferably, each individual frequency in the elemental pulse spectrum could be at the same time stage matched.
Because the refractive index would not differ linearly with frequency in dispersive crystals like β-BBO, it truly is impossible to optimally phase match every single frequency during the input pulse's spectral selection While using the corresponding second harmonic frequency while in the created pulse.