CLBO Crystal Can Be Fun For Anyone
CLBO Crystal Can Be Fun For Anyone
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On the other hand, so as to method the crystal is quite Superior production techniques are necessary. Considering that the dawn of this crystal, engaged on this challenge, we are actually the sole enterprise on earth that can be processed During this crystal.
When compared with BBO it capabilities bigger spectral and temperature acceptance, improved angle tolerance, as well as a scaled-down wander-off angle. from 3289 $ delivery
According to the evidence-of-basic principle experiment, the conversion effectiveness of 23% implied the potential of attaining significant-ability at the next Stokes wavelength in the Raman laser. When the pump laser of 1078 nm can be acquired at the typical electrical power of 50 W, the output electrical power of its 2nd Stokes wavelength at 1512 nm may very well be in excess of ten W. The look of your Raman laser cavity really should be optimized so as to stay away from the harm on the M1 and diamond surface area.
For illustration, The existing concave OC could get replaced by a airplane mirror which could mitigate the facility density about the surface area of M1 and also the diamond. Moreover, working with superior injury threshold coatings for M1 and diamond would also improve the output electric power without any damages. Then, the NIR laser within the 2nd Stokes wavelength may be large enough, and also its superior beam high quality, to deliver the final DUV laser at 193 nm which has a significant regular electricity.
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Due to the thermal lens influence while in the sound-state lasers, If your heating management is inadequate, It's not necessarily straightforward to acquire the reliable-state laser by using a high electric power as well as a large beam quality concurrently. Lately, with the event of The skinny disk laser and solitary-crystal fiber (SCF) laser, a superior-electrical power laser at the elemental wavelength (1 μm) had been recognized with a superb beam quality even with a TEM00 mode beam [4,24], which would be excellent candidates for the basic on the DUV laser era. A different applicant for the basic could be the significant-electric power fiber laser which may very well be realized by coherent beam mixture with M2 price a lot less than one.
On the opposite aspect, the power scaling from the NIR laser is another element to increase the average power of your 193-nm DUV laser. Due to the deficiency of the higher-power amplification Alternative in the NIR laser (for instance at 1553 nm), nonlinear frequency procedures such as optical parameter oscillation (OPO) may very well be applied to make a wavelength converter by shifting the wavelength from one μm to the desired wavelength and also getting relative greater electricity [21]. Recently, a diamond Raman laser confirmed its potential in achieving a substantial power as well as a significant conversion performance at the 1st Stokes in the 1-μm laser [22,23], which suggests the likelihood to generally be used in the 193-nm DUV laser generation as a result of its substantial Raman achieve and huge frequency shift.
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The pulse length of the second Stokes light was shortened to 5 ns as shown in Determine 7a, only one-shot picture within the oscilloscope, which can be a typical phenomenon in Raman laser [forty four] while the pulse length on the pump laser was get more info ten ns.
Moreover, combining the stable-state laser with other nonlinear procedure for instance stimulated Raman scattering, NIR lasers can be accomplished at new wavelengths with higher electrical power and substantial beam top quality, which was examined with the proof-of-principle experiment. This Raman laser plan presents a new path to the superior-ability DUV laser, Primarily in the wavelength of 193 nm.
The beam profile shown in Determine 7b demonstrated a fantastic beam quality as one of several deserves of Raman laser, which might be effective to deliver a 193-nm DUV laser with a top quality beam.
Its UV absorption edge reaches 180 nm. The successful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about twice as substantial as that of KDP. CLBO crystals could be developed from your stoichiometric soften with lessen viscosity.
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