A: Indeed, BBO crystals show remarkable thermal security, creating them suited to applications with various temperatures.
A2: Yes, prolonged exposure to humidity can degrade the optical effectiveness of BBO crystals. Humidity may lead to water absorption over the crystal floor, which could have an affect on its optical Houses.
From a ray-model perspective, the propagation route defines the orientation in the central (chief) ray in Determine 23. The SHG system is afflicted because of the range of angles over which incident light-weight propagates, for the reason that mild that's not parallel to your chief ray has lessened phase-matching relative into the Main ray.
BBO crystal continues to be one of the most multipurpose nonlinear optical crystals thanks to its special mix of optical properties (
The seed crystal is a little bit BBO crystal with a distinct positioning along considered one of its principal axes. The seed crystal is affixed to a turning rod that dips into the thaw floor spot.
If the crystal surfaces are still “filthy�?right after the above cleaning strategies, the surfaces may have been damaged. Remember to contact us for rework of your crystals.
The phase velocity is the rate at which the field provider, i.e. the sine wave, travels in a fabric. The rate at which a pulse envelope travels in a material is called the group velocity and defines the velocity on the energy packet comprising the optical pulse touring through the material.
When pulse lengths are amongst one ns and one µs, laser-induced problems can occur either as a result of absorption or perhaps a dielectric breakdown (hence, a user ought to Look at equally CW and pulsed LIDT). Absorption is either as a result of an intrinsic assets in the optic or as a consequence of floor irregularities; Therefore LIDT values are only legitimate for optics Conference or exceeding the floor good quality requirements specified by a manufacturer.
It’s important to avoid utilizing abrasive supplies or robust solvents, as these can scratch or or else harm the crystal’s area. Frequent cleansing may help keep the crystal’s optical effectiveness and extend its lifespan.
Modest acceptance angle: BBO crystals have a small acceptance angle that limits the input mild beam’s light-weight beam divergence and prime mode high-quality for helpful regularity conversion.
Also, the structural and compositional characteristics of BBO present it with extraordinary thermal steadiness and resistance from environmental click here problems.
The position in the eco-friendly curve is dependent upon θ. In such a case, the angle θ has long been tuned to deliver a refractive index for 515 nm gentle that matches the refractive index for 1030 nm gentle. This tuning angle is as a result optimized for Sort-I SHG stage matching in addition to a fundamental-frequency enter beam of 1030 nm.
Inside the complex tapestry of photonics, the 266nm generation, backed with the prowess of BBO, emerges as being a thread of paramount great importance.
Optical parametric amplification (OPA): We use OPA to measure our parts�?nonlinear conversion efficiency and period-matching angle for your delivered enter wavelength and signal/idler wavelengths. We assurance that our products meet up with the specs for OPA purposes.