Optical crystals can exhibit distinctive kinds of optical nonlinearities, that may be used in many strategies:

With good treatment and servicing, BBO crystals can last for a few years. Normal cleaning and correct storage might help prolong the lifespan in the crystals. Moreover, using the crystals within their specified operating parameters might also support avoid untimely degradation.

If the Rayleigh range is less than the crystal thickness, the gap about which the beam is optimally intense is lower than the crystal thickness.

As the second harmonic gentle propagates, its Vitality flows in a special route than that of the basic mild.

The sort-I section matching method depends on matching the ordinary and amazing indices of refraction for the basic and next-harmonic frequencies, and that is accomplished by specific orientation on the crystal optic axis and input propagation vector. A focused laser pulse, or beam, has angular material, formally called spatial frequencies, to create the smaller focal location.

EKSMA Optics employs cookies to supply you with the ideal browsing working experience. In case you carry on to implement our companies, We'll think which you conform to the use of this sort of cookies.

Temperature amount sensitivity: BBO crystals temperature sensitivity impacts their refractive indices and in addition section-matching difficulties. This wants temperature stage stabilizing or tuning resources to help keep the best possible efficiency.

Beta Barium Borate (BBO) crystals have taken the entire world of photonics by storm. One of the more extraordinary facets of these crystals is their revolutionary part in 266nm generation.

These procedures click here include Mixing two or more enter beams of sunshine with numerous frequencies to make a consequence beam by using a new frequency.

It is usually necessary to concentrate the incident light-weight while in the crystal for SHG applications, given that successful era of second harmonic gentle requires higher peak intensities, including 109 W/cm2. When utilizing femtosecond pulses with moderate energies while in the nanojoule selection, getting the needed peak intensities can have to have tiny focal spots.

This property is especially valuable in applications that involve large-energy lasers or powerful light-weight sources, mainly because it makes sure the longevity and dependability of the crystal in this kind of demanding problems.

They even have a superior hurt threshold, letting them to manage high-ability laser beams without having degradation. These distinctive Homes make BBO crystals a versatile Resource in a variety of optical apps.

During the complicated tapestry of photonics, the 266nm technology, backed via the prowess of BBO, emerges to be a thread of paramount importance.

The size with the SHG crystal noticeably impacts the spectral width with the reference pulse, or alternatively the bandwidth of your SHG filter.