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uedbet官网手机版GTRKTPCrystal

时间:2020-05-19作者:uedbet官网手机版已浏览: 64次

Whenagreenlaserbeam(400mW,beamdiameter0.07mm,powerdensity10KW/cm2)goesthroughthecrystal,itcausesanincreaseintheIRabsorptionofthecrystal.Thisphenomenoniscorrelatedwith“graytrackingeffect”.Thefollowinggraphsshowthedifferentabsorptionlevelsat1064nmbetweenCASTECH’sGTRKTPandtheconventionalKTP.

uedbet官网手机版AftertestingagroupofGTR-KTPandtheconventionalKTPcrystals(polishedonly)withlaserconditionof10ns,1HZ,wefoundthatCASTECH'sGTR-KTPhaslaserdamagethresholdaround1.8GW/cm2at1064nm,whichismuchhigherthantheconventionalKTP(450MW/cm2inthesamecondition).

ApparentlyCASTECH'sGTR-KTPhaslowerabsorptionthantheconventionalKTPintherangeof350-550nm.WecanconcludethatCASTECH'sGTR-KTPisexpectedtohaveahighergraytrackresistancethantheregularfluxgrownKTPcrystals.

CASTECHprovidesthefollowingAR-coatings:•IBS,IADorE-beamcoatingmethodsareavailableuponrequest.•DualBandAR-coating(DBAR)ofGTR-KTPforSHGof1064nm.lowreflectance(R<0.2%at1064nmandR<0.5%at532nm);highdamagethreshold(1.2GW/cm2at1064nm,300MW/cm2at532nm,at10ns,2.5Hz);longdurability.•BroadBandAR-coating(BBAR)ofGTR-KTPforOPOapplications.•Highreflectivitycoating:HR1064nm&HT532nm,R99.8%@1064nm,T95%@532nm.•Othercoatingsareavailableuponrequest.

CASTECHoffersGTR-KTPwith:•Strictqualitycontrol;•Largecrystalsizeupto7x7x20mm3;•Quickdelivery(2weeksforpolishedonly,3weeksforcoated);•Unbeatablepriceandquantitydiscount;•Technicalsupport;•AR,HR-coating,mountingandre-polishingservice.

•Dimensiontolerance:(W±0.1mm)x(H±0.1mm)x(L+0.5/-0.1mm)(L≥2.5mm)(W±0.1mm)x(H±0.1mm)x(L+0.1/-0.1mm)(L<2.5mm)•Clearaperture:central90%ofthediameter•Novisiblescatteringpathsorcenterswheninspectedbya50mWgreenlaser•Flatness:lessthanλ/8@633nm•Transmittingwavefrontdistortion:lessthanλ/8@633nm•Chamfer:≤0.2mmx45°

•Chip:≤0.1mm•Scratch/Digcode:betterthan10/5(polishedonly)toMIL-PRF-13830Bbetterthan20/10(AR-coated)toMIL-PRF-13830Bbetterthan40/20(HR-coated)toMIL-PRF-13830B•Parallelism:betterthan20arcseconds•Perpendicularity:≤5arcminutes•Angletolerance:≤0.25°



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