But BBO crystals stand resilient, making certain that units proceed to work with out hiccups, reducing downtimes and making certain Value-usefulness Ultimately.
Hi there, thanks for getting in contact with Thorlabs. The wavelength ranges in the antireflective coatings on these β-BBO crystals align Along with the respective wavelength bands that these crystals are optimized for. Requests for customizations can be made by achieving out to us at [email protected]
Thorlabs offers a wide selection of optics optimized for use with femtosecond and picosecond laser pulses. Remember to see down below for more information.
) is The true secret for BBO to acquire superior conversion performance. Restricted concentrate of laser beam is not advised.
BBO has a lower susceptibility to humidity. The AR coating or even the protective coating (P-coating) over the crystal faces can safeguard the faces from humidity to some extent. It is fine to depart the crystal inside the set up for the majority of optics labs with RH =< forty%. On the other hand, we recommend to shop the crystal inside of a desiccator if it won't be made use of for over > two weeks to prolong the crystal lifetime.
These resilience makes certain that its nonlinear properties are certainly not simply compromised, rendering it a favorite in environments the place regularity and dependability are paramount.
The flexibility of BBO crystals to alter the frequency of sunshine has created them indispensable in laser technological know-how. They have enabled the production of a broad spectrum of light hues, much past what is straight accessible from out there laser sources.
Operation of nonlinear crystals at temperatures under room temperature (to obtain section matching) is normally problematic, as it could bring about condensation of water on the crystal surfaces Should the encompassing air is just not pretty dry.
The higher destruction threshold of BBO crystals is especially significant in environments where by superior-depth lasers tend to be the norm. Classic supplies could possibly falter, degrade, as well as break less than such intensities.
Compact acceptance angle: BBO crystals have a small acceptance angle that limits the input mild beam’s light beam divergence and prime mode good quality for effective regularity conversion.
The 4 reduced figures illustrate the group velocity delay (temporal stroll-off) increases because the pulses propagate via the fabric. The temporal wander-off is illustrated for distances Z0 as a result of Z3, that happen to be indicated around the diagram at major.
Fluorescence excitation is another realm where the 266nm generation showcases its significance. Fluorescence includes the absorption of sunshine by a cloth and the subsequent emission of light at a special wavelength. The 266nm mild is extremely efficient in exciting selected fluorescent materials, creating them glow brightly and permitting for their detection and study.
The 266nm here generation refers back to the production of ultraviolet light-weight using a wavelength of 266 nanometers.
Some suppliers' SHG crystals, which includes Thorlabs', deliver in close proximity to-phase-matched ailments for Typically incident enter mild for a specified elementary frequency. These producers polish the faces of your SHG crystals these kinds of that the angle amongst the normally incident gentle plus the optic axis may be the section-matched angle for the specified frequency.