Rumored Buzz on CLBO Crystal
Rumored Buzz on CLBO Crystal
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However, so as to procedure the crystal may be very Innovative producing methods are essential. Because the dawn of this crystal, working on this challenge, we are now the sole firm on this planet that could be processed Within this crystal.
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The main element challenge of ultraviolet coherent light-weight source largely focuses on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is among the circumstances for frequency transformation, so The expansion, dimensions, injury resistance, conversion performance and allowable parameter range of nonlinear optical crystal are needed Increasingly more.
Conversely, the beam high quality of this better electrical power DUV laser would develop into even worse as a result of extra severe thermal and nonlinear outcomes. Hence, the frequency conversion processes needs to be diligently created to mitigate the aforementioned results. Hence, a substantial-ability DUV laser on the FHG of 1 μm with an excellent beam top quality may be received and will be advantageous for getting the shorter wavelength DUV lasers such as 193 nm by SFG.
A result of the thermal lens outcome within the stable-condition lasers, if the heating administration is insufficient, It's not effortless to obtain the strong-condition laser having a large energy and also a significant beam good quality concurrently. Not too long ago, with the development of the thin disk laser and solitary-crystal fiber (SCF) laser, a large-power laser at the basic wavelength (1 μm) had been understood with an excellent beam high-quality Despite having a TEM00 mode beam [four,24], which would be excellent candidates for the fundamental of the DUV laser technology. Yet another applicant for the basic could be the significant-electric power fiber laser which may very well be realized by coherent beam blend with M2 benefit under one.
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Within the scientific and industrial applications, the beam good quality of the DUV laser can be a very important parameter. Especially, the beam good quality with the DUV laser radically affects the laser machining final results. The beam good quality with the DUV laser is decided by that of the basic laser plus the crystal to the frequency conversion. Just lately, a substantial-electricity DUV laser (>ten W) at 258 nm was reported having a beam quality of M2 < one.5, which was generated by FHG of the Yb:YAG laser at 1030 nm using the CLBO crystal [thirteen]. This laser would bring on an improved laser machining result as compared to the past DUV lasers with more substantial M2.
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Its UV absorption edge reaches one hundred eighty nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as significant as that of KDP. CLBO crystals might be grown within the stoichiometric melt with reduced viscosity.
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