5 Simple Techniques For BBO Crystal
5 Simple Techniques For BBO Crystal
Blog Article
A: Certainly, BBO crystals show outstanding thermal security, generating them suited to programs with varying temperatures.
The realm of fabric processing has Similarly benefited with the precision of 266nm technology. Highly developed microfabrication treatments, which contain intricate detailing on components at a microscopic stage, need a precise light source. The sharpness linked to the 266nm wavelength makes certain that lasers could make specific cuts, etches, and modifications.
5 mm to attenuate team velocity mismatch and are perfect for frequency doubling or tripling of Ti:sapphire and Yb:doped laser pulses. The crucial and noncritical period matching LBO crystals are perfect for second or third harmonic generation of Nd:YAG and Yb:doped lasers.
Borates such as LBO and BBO also function nicely in broadly tunable optical parametric oscillators and optical parametric chirped-pulse amplification.
In lieu of the reference pulse electrical power spectrum comprising an apodization filter, during the spatial area the filter might be in NA. The angular area apodization filter on the other hand, is barely in a single-dimension defined through the plane k and .
Phase matching noticeably enhances the conversion effectiveness and will be necessary to obtain sufficient frequency-doubled gentle for programs, but 2nd harmonic technology (SHG) will take place even though section matching is not executed. The impact of phase matching around the output intensity of SHG gentle (I2ω) is illustrated in Determine sixteen.
However, it’s essential to Take note that even though BBO crystals can tackle high electric power, they should however be employed in just their specified electrical power variety to forestall possible destruction and ensure best general performance.
We also gauge the improved pulses�?temporal pulse condition and spectral transmission capability. We Guantee that our products fulfill the necessities for OPCPA apps.
The spatial stroll-off angle depends upon the dimensions of website your beam as well as the crystal size. When the angle is usually sizeable, it is generally modest, usually to the get of 10 mrad, and might be neglected.
The Electricity density of the beam ought to be calculated in terms of J/cm2. The graph to the ideal demonstrates why expressing the LIDT as an Vitality density supplies the ideal metric for brief pulse resources. With this regime, the LIDT supplied as an Vitality density may be placed on any beam diameter; 1 would not should compute an adjusted LIDT to regulate for variations in location measurement.
On top of that, the structural and compositional characteristics of BBO deliver it with exceptional thermal stability and resistance against environmental issues.
Pulsed lasers with superior pulse repetition frequencies (PRF) might behave likewise to CW beams. Sad to say, this is highly depending on factors including absorption and thermal diffusivity, so there isn't a responsible strategy for pinpointing each time a superior PRF laser will harm an optic on account of thermal outcomes.
Lastly, spectroscopy, the study of interactions in between make any difference and electromagnetic radiation, greatly Rewards from your 266nm generation. In spectroscopic programs, various wavelengths of sunshine interact in another way with elements, delivering a spectrum which can be analyzed to determine the fabric’s Houses or composition.
For the reason that refractive index would not differ linearly with frequency in dispersive crystals like β-BBO, it is actually impossible to optimally phase match each and every frequency in the input pulse's spectral variety With all the corresponding next harmonic frequency in the produced pulse.