Examine This Report on CLBO Crystal
Examine This Report on CLBO Crystal
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All-solid-condition ultraviolet lasers happen to be greatly Utilized in the fields of mechanical flaw detection, lithography, micromachining and medication for some great benefits of compact volume, very long existence, substantial effectiveness, good beam good quality, extensive tuning and slim spectral line, and many others. Utilizing superior electrical power near-infrared coherent mild source as the basic frequency resource depending on nonlinear tuning engineering, producing ultraviolet coherent radiation by multistage frequency conversion is considered to be a crucial approach to build the ultraviolet coherent mild source.
Compared to BBO it features more substantial spectral and temperature acceptance, much better angle tolerance, as well as a smaller stroll-off angle. from 3289 $ supply
We summarized the current development standing from the higher-energy DUV laser both of those for the wavelength of FHG on the 1-μm laser and at 193 nm. The the latest progress in the strong-condition/fiber laser, plus the nonlinear optical crystals, prompts not simply the normal electrical power and also the beam good quality (coherence) with the DUV lasers to an unparalleled stage.
For instance, The existing concave OC could get replaced by a aircraft mirror which could mitigate the power density within the surface area of M1 and also the diamond. What's more, working with large damage threshold coatings for M1 and diamond would also Enhance the output energy with none damages. Then, the NIR laser in the 2nd Stokes wavelength can be superior enough, and its fantastic beam top quality, to generate the final DUV laser at 193 nm with a substantial average electric power.
On the flip side, the beam high quality of this bigger electricity DUV laser would develop into worse on account of more really serious thermal and nonlinear effects. For this reason, the frequency conversion processes must be diligently created to mitigate the aforementioned consequences. Therefore, a substantial-energy DUV laser on the FHG of one μm with an excellent beam good quality may very well be received and can be useful for acquiring the shorter wavelength DUV lasers including 193 nm by SFG.
The two the 1040 nm and 1078 nm laser come from 1 twin-wavelength Yb-doped fiber laser. Each individual laser is amplified by stages of fiber amplifier and Yb-doped components amplifier, respectively.
On another side, the power scaling of your NIR laser is an additional part to improve the regular energy of your 193-nm DUV laser. Mainly because of the insufficient the high-electric power amplification Remedy of the NIR laser (such as at 1553 nm), nonlinear frequency processes for instance optical parameter oscillation (OPO) might be placed on develop a wavelength converter by shifting the wavelength from one μm to the specified wavelength along with getting relative higher ability [21]. Just lately, a diamond Raman laser confirmed its ability in obtaining a higher electricity and a higher conversion effectiveness at the 1st Stokes in the 1-μm laser [22,23], which suggests the likelihood to get utilized while in the 193-nm DUV laser era on account of its substantial Raman obtain and enormous frequency change.
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The beam profile shown in Figure 7b shown a very good beam quality as one of many merits of Raman laser, which would be advantageous to create a 193-nm DUV laser with a high quality beam.
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