CLBO Crystal Things To Know Before You Buy
CLBO Crystal Things To Know Before You Buy
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Even so, to be able to course of action the crystal is extremely advanced production tactics are required. Because the dawn of this crystal, focusing on this problem, we at the moment are the only real company on the globe which might be processed in this crystal.
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We summarized The existing progress standing from the superior-electricity DUV laser the two at the wavelength of FHG on the one-μm laser and at 193 nm. The the latest growth of the stable-state/fiber laser, and also the nonlinear optical crystals, prompts not just the normal energy but in addition the beam quality (coherence) in the DUV lasers to an unprecedented degree.
For instance, The existing concave OC could be replaced by a airplane mirror which could mitigate the ability density on the surface area of M1 and the diamond. Additionally, utilizing superior problems threshold coatings for M1 and diamond would also improve the output ability without any damages. Then, the NIR laser within the 2nd Stokes wavelength may be large enough, and also its great beam excellent, to produce the final DUV laser at 193 nm that has a high common electric power.
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Both the 1040 nm and 1078 nm laser originate from one twin-wavelength Yb-doped fiber laser. Each laser is amplified by levels of fiber amplifier and Yb-doped resources amplifier, respectively.
On one other aspect, the facility scaling on the NIR laser is another factor to raise the typical electrical power on the 193-nm DUV laser. Due to the deficiency of the large-energy amplification Remedy on the NIR laser (for example at 1553 nm), nonlinear frequency processes for instance optical parameter oscillation (OPO) may very well be placed on develop a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength together with getting relative bigger ability [21]. Recently, a diamond Raman laser confirmed its means in obtaining a click here substantial electric power and also a significant conversion effectiveness for the 1st Stokes on the 1-μm laser [22,23], which suggests the possibility for being applied inside the 193-nm DUV laser generation due to its higher Raman gain and enormous frequency change.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the most effective non-linear crystal which generates ultraviolet harmonics from the Nd:YAG fundamental laser wavelength. In order to enhance the damage threshold, low CLBO area roughness, by ultra-precision machining, is needed. As the CLBO crystal has simple hydroscopic reaction and micro scratches in machining, ultra-exact machining of the CLBO crystal is really a hard technical dilemma.
Tunable ultraviolet laser supply based upon stable-condition dye laser know-how and CsLiB6O10 harmonic era
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