Inertness to Moisture: BIBO crystal is inert to humidity, which means it does not degrade or lose its optical Homes when subjected to humidity. This helps make BIBO a more steady and reliable choice for optical purposes in many environments.
Laser processing and material handling: In the field of laser processing and product dealing with, the high energy capacity of BIBO crystals can make them a vital element while in the manufacture of substantial Vitality density laser beams.
Many of the conventional nonlinear crystals like BBO, LBO, BiBO or KTP for frequency doubling, tripling and quadrupling of the fundamental laser radiation can be found from stock. Client-unique dimensions and AR coatings will also be presented at competitive price ranges.
Crystal lifetime can be strongly depending on the material good quality, While sure degradation phenomena look like intrinsic constraints of the material.
The two have a relatively low harm threshold, but don't need to be operated at significant intensities due to their superior nonlinearity. They've an inclination for photorefractive outcomes, which can be harmful for frequency conversion, but are utilized for, e.g., holographic data storage in Fe-doped LiNbO3 crystals. The tendency for “photorefractive problems�?depends strongly on the material composition; e.g. it might be lowered by using MgO doping and by using a stoichiometric composition.
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Be aware that although the nominal intensity is down below the nominal damage threshold, there may be difficulties resulting from fluctuations during the beam power or nearby intensity (e.g., if a beam profile has “scorching spots�?, or due to isolated defects in a crystal, that are more delicate compared to standard crystal content.
Bismuth Triborate (BiB3O6 or BIBO) is really a newly created nonlinear optical crystal. It possesses massive powerful nonlinear coefficient, superior hurt threshold and inertness with respect to moisture.
Even though the nonlinear coefficient of KTP crystal is huge, the laser problems threshold is reduced, that may trigger issues for instance refractive index change and transmission loss. BIBO crystal has larger laser destruction threshold and higher 2nd harmonic conversion effectiveness. Whilst LBO and B-BBO are essentially the most realistic, They're smaller in sizing and have particular hygroscopicity, although BIBO crystals are non-damp and might improve to substantial sizing. These benefits permit BIBO crystals to get broadly utilised.
Excessive optical intensities through operation may well instantaneously damage a crystal. Regretably, nonlinear crystals generally need to be operated not significantly from their optical damage threshold to realize a adequately high conversion efficiency. This implies a trade-off concerning conversion efficiency and crystal life time.
In several scenarios, a nonlinear crystal utilized for nonlinear frequency conversion has a very very long lifetime, which happens to be more time than that of the whole laser technique. The crystal product is basically not modified during operation. On the other hand, a reduced crystal lifetime can take place underneath many circumstances:
GWU-Lasertechnik offers all typical check here nonlinear crystals like LBO, BBO and KTP which has a wide number of requirements. Beside the perfectly-established resources, ground breaking crystals like CLBO or BiBO with excellent Homes for e. g. deep-UV era or substantial-energy ultrashort pulse lasers are available. No matter if particular person items for R & D functions are required or Value-efficient figures in little, medium or big batches with in-time delivery for that creation line are desired: GWU’s focused provider helps to discover the ideal Main components in your software.
Substantial electrical power laser system: BIBO crystals are perfect for use in higher-ability laser units because of their large damage threshold as well as their ability to resist higher-intensity laser beams with no harm. This provides BIBO crystals a significant edge in laser purposes that need significant Power output.
Considering the fact that the second harmonic (SHG) is often extensively utilized to produce coherent seen gentle and ultraviolet radiation, individuals concentrate to it, but the traditional nonlinear crystals for example KDP, LBO, KTP, B-BBO even have numerous shortcomings. BIBO crystal is a different type of nonlinear crystal. In comparison with KDP crystal, it would make up for the disadvantage that KDP crystal can increase in substantial size but dissolve in water.