At such a certain wavelength, the light possesses special properties that are invaluable to sure advanced apps. Permit’s delve further into the necessity of this distinct light-weight creation.
β-BBO Crystal—a broadly utilised nonlinear crystal for frequency conversion from the ultraviolet, noticeable and near-infrared
Hi there, thanks for getting in contact with Thorlabs. The wavelength ranges on the antireflective coatings on these β-BBO crystals align Using the respective wavelength bands that these crystals are optimized for. Requests for customizations can be created by achieving out to us at [email protected]
When a person of such β-BBO Crystals is mounted inside the RSP1 mount, the crystal is going to be centered more than the 8-32 (M4) hole while in the mount's foundation without the need to have for spacers.
Other period matching circumstances can also be probable. Vital Form-II stage matching takes advantage of an oe-o or eo-e for positive and destructive uniaxial crystals. Non-critical stage matching employs crystal temperature to obtain phase matching as opposed to angular tuning.
As the next harmonic gentle propagates, its energy flows in a distinct path than that of the basic light-weight.
The spatial walk-off angle relies on the size with the beam along with the crystal duration. Though the angle could be sizeable, it is usually tiny, commonly over the order of 10 mrad, and might be neglected.
The Actual physical, chemical, optical, and thermal properties in the α -BBO are just like All those of your BBO crystals, however the α -BBO does not exhibit the nonlinear optical Qualities due to the central symmetry of its crystal construction.
Now Assess the most Strength density to that that is specified as being the LIDT to the optic. Should the optic was analyzed in a wavelength in addition to your operating wavelength, the problems threshold has to be scaled appropriately [three].
The group velocity is definitely the speed of the heartbeat, or even more formally the envelope of the electrical field. The team index equally governs the velocity of the envelope relative on the velocity of light within a vacuum and is also dependent on the dispersion of the material.
BBO nonlinear crystal is really a unfavorable uniaxial crystal. It offers stage matching for numerous 2nd-order interactions Virtually more than its overall transparency range. This transparency ranges from 185 nm to 3.3 µm, as inferred from transmittance measurements applying crystal samples of a few mm thickness.
During the huge environment of nonlinear optical crystals, BBO crystals jump out as pioneers, particularly in the realm of 266nm generation.
The 266nm technology refers to the creation of ultraviolet light-weight having a wavelength of 266 nanometers.
Pulsed lasers with significant pulse repetition frequencies (PRF) may behave likewise to CW beams. website Unfortunately, this is very dependent on aspects such as absorption and thermal diffusivity, so there is absolutely no dependable strategy for pinpointing when a large PRF laser will problems an optic resulting from thermal results.