Ha u etsa qeto pakeng tsa lense ea plano-convex le lense ea bi-convex, tseo ka bobeli li etsang hore leseli la ketsahalo e kopaneng le kopane, hangata ho loketse haholo ho khetha lense ea plano-convex haeba kholo e lakatsehang e ka tlase ho 0.2 kapa e kholo ho feta 5. Pakeng tsa litekanyetso tsena tse peli, lilense tsa bi-convex hangata lia khethoa.
Silicon e fana ka conductivity e phahameng ea mocheso le boima bo tlaase. Leha ho le joalo e na le sehlopha se matla sa ho monya ho li-microns tse 9, ha sea lokela ho sebelisoa le lits'ebetso tsa phetisetso ea laser ea CO2. Paralight Optics e fana ka Lilense tsa Silicon (Si) Plano-Convex li fumaneha ka sekoaelo se sephara sa AR se lokiselitsoeng sebaka sa 3 µm ho isa ho 5 μm se kentsoeng libakeng tseo ka bobeli. Ho roala hona ho fokotsa haholo ponahalo ea bokaholimo ba karoloana, ho fana ka phetisetso e phahameng le ho monya ho fokolang holim'a mefuta eohle ea likhoele tsa AR. Sheba li-graph bakeng sa litšupiso tsa hau.
Silicon (Si)
Tlas'a Density & High Thermal Conductivity
E sa koahetsoeng kapa e nang le Antireflection & DLC Coatings bakeng sa 3 - 5 μm Range
E fumaneha ho tloha ho 15 ho isa ho 1000 mm
Substrate Material
Silicon (Si)
Mofuta
Lense ea Plano-Concex (PCX)
Index ea Refraction
3.422 @ 4.58 μm
Nomoro ea Abbe (Vd)
Ha e hlalosoe
Thermal Expansion Coefficient (CTE)
2.6 x 10-6/ ka 20℃
Mamello ea Diameter
Precison: +0.00/-0.10mm | Ho nepahala ho Phahameng: +0.00/-0.02mm
Botenya Mamello
Precison: +/-0.10 limilimithara | Ho nepahala ho Phahameng: -0,02 limilimithara
Mamello ea Bolelele ba Tsepamiso
+/- 1%
Boleng ba Bokaholimo (Scratch-Dig)
Boemo: 60-40 | Ho nepahala ho Phahameng: 40-20
Bophahamo ba Bokaholimo (Lehlakore la Plano)
λ/4
Spherical Surface Power (Lehlakore la Convex)
3 λ/4
Irregularity ea holim'a metsi (Peak to Valley)
λ/4
Setsi
Precison:<3 arcmin | Ho nepahala ho Phahameng: <30 arcsec
Aperture e Hlakileng
90% ea Diameter
AR Coating Range
3 - 5 μm
Phetiso ea Coating Range (@ 0° AOI)
Tavg > 98%
Ponahatso holim'a Mekhahlelo ea Coating (@ 0° AOI)
Ravg<1.25%
Moqapi oa Wavelength
4µm
Sekhahla sa Tšenyo ea Laser
0.25 J/cm2(6 ns, 30 kHz, @3.3μm)