The 2-Minute Rule for CLBO Crystal
The 2-Minute Rule for CLBO Crystal
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However, in order to procedure the crystal is rather State-of-the-art manufacturing procedures are demanded. Since the dawn of the crystal, focusing on this problem, we at the moment are the one enterprise on the earth that can be processed Within this crystal.
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As an example, The present concave OC could get replaced by a aircraft mirror which could mitigate the ability density about the surface of M1 along with the diamond. Additionally, making use of large injury threshold coatings for M1 and diamond would also improve the output power with none damages. Then, the NIR laser with the 2nd Stokes wavelength could possibly be higher more than enough, along with its fantastic beam top quality, to create the final DUV laser at 193 nm which has a large normal power.
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The two the 1040 nm and 1078 nm laser come from one particular dual-wavelength Yb-doped fiber laser. Every single laser is amplified by phases of fiber amplifier and Yb-doped components amplifier, respectively.
On the other side, the facility scaling of your NIR laser is yet another part to improve the normal energy of the 193-nm DUV laser. Due to the deficiency of the large-power amplification Answer in the NIR laser (by way of example at 1553 nm), nonlinear frequency processes for example optical parameter oscillation (OPO) might be placed on build a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength as well as acquiring relative greater electric power [21]. Not too long ago, a diamond Raman laser confirmed its potential in achieving a superior electricity and also a significant conversion efficiency within the 1st Stokes of the 1-μm laser [22,23], which means the likelihood to generally be used in the 193-nm DUV laser era on account of its significant Raman attain and large frequency change.
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Tunable ultraviolet laser source based on strong-state dye laser engineering and CsLiB6O10 harmonic generation
The conversion efficiency from elementary NIR to DUV is from 5% to 36% in accordance with the described results in Desk 1. Raising the conversion efficiency will lessen the burden on the look and set up of the fundamental laser amplifier and also the electrical ability consumption. A fantastic beam high quality of the basic laser will also contribute on the increasing from the conversion effectiveness together with the right power intensity in the NIR and eco-friendly laser while in the SHG and FHG course of action, respectively. The best conversion efficiencies from NIR to environmentally friendly and green to DUV laser by usage of CLBO crystal are 70% and all-around 50%, respectively [12], which corresponds to the conversion performance of 35% from essential to DUV.
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