Top a-BBO Crystal Secrets
Top a-BBO Crystal Secrets
Blog Article
The crystal axis is c. The chief ray is parallel to your course accustomed to measure the tuning angle (θ), that is optimized during phase matching. Conversion performance is optimized for rays parallel into the chief ray and even worse for rays at larger sized angles (ψ) for the Main ray.
On the other hand, in lots of situations, the primary difference in the fundamental and second harmonic pulse velocities can result in just one pulse to noticeably lag the opposite.
The position with the green curve depends upon θ. In this instance, the angle θ continues to be tuned to deliver a refractive index for 515 nm light-weight that matches the refractive index for 1030 nm mild. This tuning angle is for that reason optimized for Variety-I SHG period matching plus a fundamental-frequency input beam of 1030 nm.
A: A higher problems threshold ensures the crystal can cope with additional electric power devoid of degrading, resulting in more time lifespan and consistent efficiency.
The section-matching capabilities of BBO crystals are entitled to special mention. From the intricate dance of photons, exactly where conversion from one wavelength to another is usually preferred, the phase-matching supplied by BBO ensures that Vitality losses are nominal.
Once the Rayleigh selection is lower than the crystal thickness, the gap above which the beam is optimally intensive is below the crystal thickness.
The 2nd harmonic frequency wave is created as a rare wave, which is polarized orthogonal to the elemental-frequency common wave.
Nevertheless, when BBO crystals can operate at area temperature, Severe temperatures really should even now be averted as they might impact the crystal’s section-matching problems and potentially induce destruction.
Now Assess the maximum energy density to that that's specified as the LIDT for your optic. Should the optic was examined in a wavelength aside from your operating wavelength, the injury threshold need to be scaled appropriately [three].
Fluorescence excitation is an additional realm the place the 266nm generation showcases its significance. Fluorescence includes the absorption of sunshine by a material and the following emission of light at a unique wavelength. The 266nm gentle is very efficient in thrilling sure fluorescent elements, producing them glow brightly and allowing for for his or her detection and analyze.
Filters under or the form at the bottom can be utilized to assist solution lookup or make further more inquiries.
Beta Barium Borate (BBO) crystals have taken the entire world of photonics by storm. Among the most remarkable elements of these crystals is their groundbreaking purpose in 266nm technology.
When laser gentle is targeted to your spot, the diameter with the beam waist will be the focal place dimension, and the rate at which The sunshine diverges with the more info beam waist is connected with the Rayleigh array (zR).
芯飞睿所有的服务和支持都立足于使我们的客人工作的更加高效，更有价值。