The best Side of BBO Crystal

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Optical parametric chirped-pulse amplification (OPCPA): We use OPCPA to ascertain our objects�?nonlinear conversion efficiency and period-matching angle for the supplied input wavelength and sign/idler wavelengths.

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Thorlabs expresses LIDT for CW lasers as a linear electricity density measured in W/cm. During this routine, the LIDT offered being a linear electric power density is usually placed on any beam diameter; one particular won't should compute an adjusted LIDT to regulate for modifications in spot measurement, as shown via the graph to the appropriate. Regular linear energy density may be calculated utilizing the equation under. 

Even nicely beneath the edge for immediate injury, some crystal resources show a continual degradation in the utilized volume, e.

Nonetheless, to totally utilize the likely of BBO crystals, it truly is critical to comprehend their Attributes and the way to cope with and store them correctly. These crystals call for mindful managing to avoid damage to their surfaces and should be stored in the dry, great put to keep up their optical overall performance.

Their supremacy In this particular domain is not simply accidentally, but a result of their intrinsic and meticulously crafted Houses.

the chemical toughness; e.g., some crystal resources are hygroscopic, Some others undergo chemical improvements when heated in a very vacuum chamber for application of the dielectric coating

BBO crystals are fragile and need careful handling to circumvent check here harm to their surfaces. They need to be managed with cleanse, lint-free gloves to stay away from scratching or contaminating their surfaces. When not in use, BBO crystals should be saved in a interesting, dry position far from immediate sunlight, as prolonged exposure to warmth and light-weight can degrade their optical Homes.

A3: Indeed, BBO crystals have a broad transparency variety that extends into the ultraviolet spectrum. This would make them suited to apps that demand ultraviolet light-weight, for instance UV spectroscopy and UV laser units.

Alternatively, a small enclosure (with openings for mild) could be built throughout the crystal which has a ongoing movement of dry nitrogen of air into the enclosure. The dry nitrogen/air force wants only being somewhat above the environment to maintain the small volume round the crystal dry and thoroughly clean.

The situation of your inexperienced curve is dependent upon θ. In such a case, the angle θ continues to be tuned to offer a refractive index for 515 nm light-weight that matches the refractive index for 1030 nm light. This tuning angle is as a result optimized for Sort-I SHG period matching in addition to a basic-frequency input beam of 1030 nm.

As might be reviewed beneath, There's a concentrating numerical aperture (NA) limitation towards the SHG phase-matching process specifically analogous for the spectral stage matching limitation mentioned in the previous portion (

As a result of its fantastic properties BBO crystal has a number of advantages for various purposes, like NOPA with fsec pulses, harmonics technology (as many as fifth) of Nd:YAG and Nd:YLF lasers, frequency doubling or tripling of femtosecond Ti:Sapphire and dye lasers, OPO at Type one and kind two stage-matching, E/O switching for Pockels cells and many other.