Zinc Selenide (ZnSe)
Bi-Concave tojú
Nigbati o ba pinnu laarin awọn lẹnsi plano-concave ati lẹnsi bi-concave, mejeeji ti o fa ki ina isẹlẹ naa yipada, o jẹ deede diẹ sii lati yan lẹnsi bi-concave ti o ba jẹ ipin conjugate pipe (ijinna ohun ti o pin nipasẹ ijinna aworan) jẹ sunmo si 1. Nigba ti o fẹ idi magnification jẹ boya kere ju 0,2 tabi tobi ju 5, awọn ifarahan ni lati yan a plano-concave lẹnsi dipo.
Awọn lẹnsi ZnSe jẹ pataki ni ibamu daradara fun lilo pẹlu awọn lasers CO2 agbara-giga.Paralight Optics nfunni Zinc Selenide (ZnSe) Bi-Concave tabi Double-Concave (DCV) Awọn lẹnsi ti o wa pẹlu gbohungbohun AR ti o dara julọ fun iwọn iwoye 8 – 12 μm ti a fi silẹ lori awọn aaye mejeeji.Yi bo gidigidi din awọn ga dada reflectivity ti awọn sobusitireti, ti nso ohun apapọ gbigbe ni excess ti 97% kọja gbogbo AR ti a bo ibiti o.Fun alaye diẹ sii lori awọn aṣọ, jọwọ ṣayẹwo awọn aworan atẹle fun awọn itọkasi rẹ.
Awọn ẹya:
Ohun elo:
Zinc Selenide (ZnSe)
Awọn aṣayan Aso:
Wa Ti a ko bo tabi pẹlu Awọn ideri Antireflection
Awọn Gigun Idojukọ:
Wa lati -25.4mm to -200 mm
Awọn ohun elo:
Apẹrẹ fun CO2 Awọn ohun elo lesa Nitori Low Absorption olùsọdipúpọ
Awọn alaye ti o wọpọ:
Reference Yiya fun
Double-Concave (DCV) lẹnsi
f: Ifojusi Gigun
fb: Pada Ipari Idojukọ
ff: Iwaju Ipari Iwaju
R: Radius ti ìsépo
tc: Sisanra aarin
te: Sisanra eti
H”: Pada Principal ofurufu
Akiyesi: Ifojusi ipari jẹ ipinnu lati ẹhin ọkọ ofurufu akọkọ, eyiti ko ṣe laini laini pẹlu sisanra eti.
Awọn paramita
Awọn sakani & Awọn ifarada
-
Ohun elo sobusitireti
Lesa-Ipele Zinc Selenide (ZnSe)
-
Iru
Lẹnsi meji-Convave (DCV).
-
Atọka ti Refraction
2.403 @ 10.6μm
-
Nọmba Abbe (Vd)
Ko ṣe alaye
-
Olùsọdipúpọ̀ Ìmúgbòòrò gbóná (CTE)
7.1x10-6/℃ ni 273K
-
Ifarada Opin
Ipese: + 0.00 / - 0.10mm |Ga konge: +0.00/-0.02mm
-
Ifarada Sisanra
Presection: +/- 0.10 mm |Ga konge: +/-0.02 mm
-
Ifarada Ipari Idojukọ
+/- 1%
-
Didara oju (scratch-dig)
Presection: 60-40 |Ga konge: 40-20
-
Ti iyipo dada Power
3 λ/4
-
Aiṣedeede Dada (Ti o ga si afonifoji)
λ/4 @ 633 nm
-
Ile-iṣẹ
Itọkasi:< 3 arcmin |Ga konge< 30 aaki
-
Ko Iho
80% ti Opin
-
AR aso Ibiti
8-12 μm
-
Iṣaro lori Ibiti Ibo (@ 0° AOI)
Ravg<1.0%, Rabs<2.0%
-
Gbigbe lori Ibiti Ibo (@ 0° AOI)
Tavg> 97%, Awọn taabu> 92%
-
Design wefulenti
10.6 μm
-
Alabajẹ Lesa
5 J/cm2(100 ns, 1 Hz, @10.6μm)
Awọn aworan
♦ Gbigbe gbigbe ti 5 mm nipọn, sobusitireti ZnSe ti a ko bo: gbigbe giga lati 0.16 si 16 μm
♦ Iyipada gbigbe ti 5 mm AR-ti a bo sobusitireti ZnSe: Tavg> 97% lori iwọn 8 - 12 μm
