5 Simple Techniques For BBO Crystal
5 Simple Techniques For BBO Crystal
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But BBO crystals stand resilient, guaranteeing that devices go on to work without hiccups, minimizing downtimes and making certain Expense-effectiveness In the long term.
Having said that, it’s vital that you Observe that when BBO crystals can transmit UV gentle, they need to be handled with care when Employed in UV programs to stop opportunity damage to the crystal and ensure security.
A1: Certainly, BBO crystals Use a significant injury threshold, creating them well suited for substantial-electrical power laser devices. Their potential to face up to significant laser intensities without having suffering from optical hurt makes them a fantastic choice for frequency conversion in substantial-electricity lasers.
Figure 23: This diagram illustrates a beam's focal location inside of a uniaxial birefringent substance. Straight traces, representing rays, are drawn through the Centre of your beam waistline. Given that the beam diverges within the beam midsection, the Strength while in the beam is dispersed in excess of a larger cross sectional spot.
Right after extraction, the BBO crystals are then Minimize into the specified shapes and sizes. This chopping approach is executed with precision instruments in order that the crystals are Minimize accurately and cleanly.
If the crystal surfaces remain “soiled�?just after the above mentioned cleansing strategies, the surfaces may need been destroyed. You should Get in touch with us for rework of the crystals.
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g. 20 μm. The group velocity mismatch in the thicker substrate content may not subject, since the nonlinear conversation usually takes area only in the thin crystal. The substrate only serves to mechanically stabilize the thin nonlinear crystal.
A5: Sure, BBO crystals have fantastic thermal stability and can retain their Qualities at room temperature. Consequently they can be Employed in a check here wide range of environments devoid of demanding Exclusive temperature control.
The subsequent is really a normal overview of how laser induced harm thresholds are measured and how the values could be utilized in analyzing the appropriateness of the optic for your presented application. When selecting optics, it is necessary to be familiar with the Laser Induced Destruction Threshold (LIDT) of your optics being used. The LIDT for an optic drastically is dependent upon the kind of laser you might be employing. Steady wave (CW) lasers ordinarily cause harm from thermal effects (absorption possibly in the coating or inside the substrate).
The 4 reduced figures illustrate that the team velocity hold off (temporal walk-off) will increase since the pulses propagate by the material. The temporal walk-off is illustrated for distances Z0 through Z3, which can be indicated about the diagram at prime.
The crystal axis is c. The chief ray is parallel towards the path accustomed to evaluate the tuning angle (θ), which happens to be optimized all through section matching. Conversion performance is optimized for rays parallel to the Main ray and even worse for rays at much larger angles (ψ) into the chief ray.
GWU-Lasertechnik has much more than thirty years of encounter in distributing laser crystals. Opt for GWU to take pleasure in our wide knowledge As well as in-subject knowledge!
Due to its superb Attributes BBO crystal has a variety of advantages for various purposes, like NOPA with fsec pulses, harmonics generation (nearly fifth) of Nd:YAG and Nd:YLF lasers, frequency doubling or tripling of femtosecond Ti:Sapphire and dye lasers, OPO at Form 1 and Type 2 stage-matching, E/O switching for Pockels cells and all kinds of other.