The Ultimate Guide To CLBO Crystal

The Ultimate Guide To CLBO Crystal

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On the other hand, as a way to system the crystal is rather Superior manufacturing approaches are needed. Considering that the dawn of this crystal, engaged on this challenge, we are actually the sole company on the earth which can be processed During this crystal.

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We summarized The existing advancement status with the substantial-energy DUV laser each within the wavelength of FHG on the one-μm laser and at 193 nm. The modern development on the sound-condition/fiber laser, along with the nonlinear optical crystals, prompts not simply the average electricity and also the beam quality (coherence) from the DUV lasers to an unparalleled amount.

The normal ability on the NIR laser still has the likely to be improved to tens of watts such as 70 W [26] Should the double-pass configuration may be used with the Yb:YAG SCF amplifier stage. Consequently, In case the conversion effectiveness of 31% from NIR to DUV can be still taken care of at this better power situation, the typical output electrical power on the DUV laser at 258 nm may be a lot more than 20 W, which would certainly be a extraordinary ability stage for the DUV laser and lead to the unanticipated DUV laser machining results. What's more, for prime-electrical power DUV laser, the UV damage with the nonlinear crystal, including the Home windows for CLBO crystal as well as the mirrors, is another significant parameter for lasting and stable Procedure.

Then again, the beam top quality of the higher ability DUV laser would grow to be even worse due to far more major thermal and nonlinear results. For this reason, the frequency conversion procedures really should be cautiously intended to mitigate the aforementioned outcomes. So, a high-electrical power DUV laser with the FHG of one μm with a superb beam good quality may very well be received and can be helpful for obtaining the shorter wavelength DUV lasers such as 193 nm by SFG.

Each the 1040 nm and 1078 nm laser come from a person twin-wavelength Yb-doped fiber laser. Every single laser is amplified by stages of fiber amplifier and Yb-doped supplies amplifier, respectively.

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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the best non-linear crystal which generates ultraviolet harmonics on the Nd:YAG essential laser wavelength. To be able to increase the damage threshold, minimal CLBO floor roughness, by ultra-precision machining, is needed. As the CLBO crystal has straightforward hydroscopic response and micro scratches read more in machining, extremely-exact machining of your CLBO crystal is usually a tough technological dilemma.

Tunable ultraviolet laser source based on strong-state dye laser engineering and CsLiB6O10 harmonic generation

The conversion performance from fundamental NIR to DUV is from five% to 36% according to the described results in Desk one. Raising the conversion efficiency will decrease the stress on the design and set up of the basic laser amplifier along with the electric powered energy intake. A very good beam top quality of the elemental laser will also contribute for the raising of the conversion performance along with the suitable ability depth of the NIR and green laser inside the SHG and FHG approach, respectively. The very best conversion efficiencies from NIR to inexperienced and eco-friendly to DUV laser by utilization of CLBO crystal are 70% and close to 50%, respectively [12], which corresponds to the conversion performance of 35% from elementary to DUV.

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