Leha lilense tsa Bi-convex li fokotsa ho kheloha maemong ao bohole ba ntho le setšoantšo li lekanang kapa li batla li lekana, ha u etsa qeto pakeng tsa lense ea bi-convex kapa DCX le lense ea plano-convex, tseo ka bobeli li bakang hore leseli la ketsahalo e kopaneng le kopane. hangata ho molemo ho khetha lense ea bi-convex bakeng sa ho fokotsa ho kheloha haeba karo-karolelano ea ntho le sebaka sa setšoantšo (karolelano e felletseng ea conjugate) e pakeng tsa 5:1 le 1:5. Ka ntle ho sebaka sena, hangata ho khethoa lilense tsa plano-convex.
Lilense tsa ZnSe li loketse haholo ho sebelisoa ka li-lasers tsa CO2 tse matla haholo. Paralight Optics e fana ka lilense tsa Zinc Selenide (ZnSe) Bi-Convex tse fumanehang ka sekoaelo se sephara sa AR se ntlafalitsoeng bakeng sa sebaka sa pono sa 8 ho isa ho 12 μm se kentsoeng libakeng tseo ka bobeli. Koko ena e fokotsa haholo ponahalo e phahameng ea bokaholimo, e fana ka phetisetso e fetang 97% holim'a mefuta eohle ea liphahlo tsa AR. Sheba Kerafo e latelang bakeng sa litšupiso tsa hau.
Zinc Selenide (ZnSe)
Broadband AR e koahelang sebaka sa 8 - 12 µm Range
E fumaneha ho tloha ho 15 ho isa ho 200 mm
E loketse CO2Lisebelisoa tsa laser
Substrate Material
Laser-Grade Zinc Selenide (ZnSe)
Mofuta
Lense ea Double-Convex (DCX)
Index of Refraction @10.6 µm
2.403
Nomoro ea Abbe (Vd)
Ha e hlalosoe
Thermal Expansion Coefficient (CTE)
7.1x10-6/℃ ho 273K
Mamello ea Diameter
Presicion: +0.00/-0.10mm | Precison e Phahameng: +0.00/-0.02 mm
Botenya Mamello
Presicion: +/-0.10 limilimithara | Precison e Phahameng: +/-0.02 mm
Mamello ea Bolelele ba Tsepamiso
+/-0.1%
Boleng ba Bokaholimo (scratch-che)
Boemo: 60-40 | Boemo bo phahameng: 40-20
Spherical Surface Power
3 λ/4
Irregularity ea holim'a metsi (Peak to Valley)
λ/4
Setsi
Precison:<3 arcmin | Bonepe bo Phahameng<30 arcsec
Aperture e Hlakileng
80% ea Diameter
AR Coating Range
8 - 12 μm
Ponahatso holim'a Mekhahlelo ea Coating (@ 0° AOI)
Ravg<1.0%, Rabs<2.0%
Phetiso ea Coating Range (@ 0° AOI)
Tavg > 97%, Lithebo> 92%
Moqapi oa Wavelength
10.6 μm
Sekhahla sa Tšenyo ea Laser
> 5 J/cm2(100 ns, 1 Hz, @10.6μm)