The BBO Crystal Diaries
The BBO Crystal Diaries
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Optical crystals can exhibit unique kinds of optical nonlinearities, which may be utilized in various means:
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Thorlabs provides a big variety of optics optimized to be used with femtosecond and picosecond laser pulses. Be sure to see underneath for more information.
Borates for example LBO and BBO also get the job done very well in broadly tunable optical parametric oscillators and optical parametric chirped-pulse amplification.
BBO crystals could be cleaned utilizing a soft fabric or air blower. For stubborn stains, a gentle detergent or isopropyl Alcoholic beverages can be used. It’s vital that you stay away from using abrasive elements that might scratch the crystal’s surface. When cleansing BBO crystals, it’s crucial that you use a gentle, round motion in order to avoid scratching the area.
). This spatial concentrating constraint to the SHG method will generally lead to the crystal length generally becoming fewer than the Rayleigh range of the input targeted pulse.
Their supremacy On this domain is not simply by accident, but a results of their intrinsic and meticulously crafted Homes.
the chemical sturdiness; e.g., some crystal supplies are hygroscopic, others bear chemical modifications when heated in a very vacuum chamber for software of a dielectric coating
This calculation assumes get more info a uniform beam intensity profile. You need to now change this energy density to account for hotspots or other nonuniform intensity profiles and roughly compute a greatest Electricity density. For reference a Gaussian beam commonly provides a utmost energy density that is 2 times that on the one/e2 beam.
The next is really a general overview of how laser induced destruction thresholds are calculated and how the values could be utilized in pinpointing the appropriateness of the optic for a presented software. When choosing optics, it is vital to grasp the Laser Induced Injury Threshold (LIDT) of your optics getting used. The LIDT for an optic greatly depends upon the type of laser you're applying. Continuous wave (CW) lasers usually bring about destruction from thermal consequences (absorption possibly within the coating or from the substrate).
Additionally, the structural and compositional attributes of BBO deliver it with remarkable thermal stability and resistance against environmental difficulties.
Fluorescence excitation is yet another realm where the 266nm generation showcases its importance. Fluorescence requires the absorption of light by a fabric and the subsequent emission of light at a unique wavelength. The 266nm light-weight is very efficient in thrilling specified fluorescent materials, creating them glow brightly and enabling for their detection and study.
Together with their superior damage threshold, BBO crystals also exhibit superb thermal and chemical security. They could endure a variety of temperatures and resist degradation from various chemical interactions.
Optical parametric amplification (OPA): We use OPA to evaluate our parts�?nonlinear conversion performance and phase-matching angle for any offered input wavelength and signal/idler wavelengths. We ensure that our merchandise meet up with the specs for OPA apps.