A Secret Weapon For CLBO Crystal
A Secret Weapon For CLBO Crystal
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However, in order to method the crystal is quite Innovative producing strategies are essential. Considering that the dawn of the crystal, focusing on this challenge, we are actually the only company on this planet which can be processed With this crystal.
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We summarized The existing improvement status with the substantial-electrical power DUV laser both of those on the wavelength of FHG from the one-μm laser and at 193 nm. The latest advancement on the reliable-state/fiber laser, along with the nonlinear optical crystals, prompts not simply the standard electrical power and also the beam high quality (coherence) with the DUV lasers to an unparalleled stage.
The typical energy of the NIR laser however has the opportunity for being enhanced to tens of watts like 70 W [26] In the event the double-pass configuration could possibly be used to the Yb:YAG SCF amplifier phase. As a result, if the conversion performance of 31% from NIR to DUV can be even now preserved at this larger ability problem, the common output energy with the DUV laser at 258 nm could possibly be greater than twenty W, which might be considered a amazing electric power level for your DUV laser and cause the unanticipated DUV laser machining outcomes. In addition, for prime-electricity DUV laser, the UV problems with the nonlinear crystal, such as the windows for CLBO crystal as well as the mirrors, is another important parameter for long term and secure operation.
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LBO is likewise a wonderful nonlinear crystal which is usually placed on read more the SHG within the NIR for the inexperienced. The DUV laser is usually realized by two stages of SFG while in the LBO crystals considering the fact that there isn't any stage-matching angle for LBO to convert the eco-friendly laser at 515 nm or 532 nm on the DUV instantly by SHG [sixteen]. A short while ago, the NSBBF crystal has also demonstrated its probable to acquire a superior conversion performance from 532 nm to 266 nm. The wander-off angle and deff of your NSBBF are almost comparable to those of CLBO [seventeen].
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Tunable ultraviolet laser resource based on strong-state dye laser engineering and CsLiB6O10 harmonic era
The conversion efficiency from essential NIR to DUV is from 5% to 36% based on the documented results in Desk one. Escalating the conversion performance will reduce the load on the look and setup of the basic laser amplifier as well as the electrical electricity intake. A superb beam excellent of the basic laser will likely lead to your raising with the conversion efficiency along with the right ability depth on the NIR and inexperienced laser inside the SHG and FHG course of action, respectively. The best conversion efficiencies from NIR to inexperienced and inexperienced to DUV laser by utilization of CLBO crystal are 70% and about 50%, respectively [twelve], which corresponds on the conversion efficiency of 35% from fundamental to DUV.
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