Zinc Selenide (ZnSe)
Bi-Convex tojú
Bi o tilẹ jẹ pe awọn lẹnsi Bi-convex dinku awọn aberrations ni awọn ipo nibiti nkan ati awọn aaye aworan jẹ dogba tabi o fẹrẹ dọgba, nigbati o ba pinnu laarin lẹnsi bi-convex tabi DCX ati lẹnsi plano-convex, mejeeji ti o fa ina isẹlẹ collimated lati pejọ, o jẹ. Nigbagbogbo o dara julọ lati yan lẹnsi bi-convex fun idinku awọn aberrations ti ipin ohun ati awọn ijinna aworan (ipin conjugate pipe) wa laarin 5:1 ati 1:5. Ni ita ibiti o wa, awọn lẹnsi plano-convex jẹ igbagbogbo ayanfẹ.
Awọn lẹnsi ZnSe jẹ pataki ni ibamu daradara fun lilo pẹlu awọn lasers CO2 agbara-giga. Paralight Optics nfunni Zinc Selenide (ZnSe) Awọn lẹnsi Bi-Convex ti o wa pẹlu gbohungbohun AR ti a ṣe iṣapeye fun iwọn iwoye 8 si 12 μm ti o fipamọ sori awọn aaye mejeeji. Yi bo gidigidi din awọn ga dada reflectivity ti awọn sobusitireti, ti nso ohun apapọ gbigbe ni excess ti 97% lori gbogbo AR ti a bo ibiti o. Ṣayẹwo awọn aworan atẹle fun awọn itọkasi rẹ.
Awọn ẹya:
Ohun elo:
Zinc Selenide (ZnSe)
Aso:
Broadband AR ti a bo fun Ibiti 8 - 12 µm
Awọn Gigun Idojukọ:
Wa lati 15 to 200 mm
Awọn ohun elo:
Apẹrẹ fun CO2lesa Awọn ohun elo
Awọn alaye ti o wọpọ:
Reference Yiya fun
Lẹnsi meji-convex (DCX).
Dia: Opin
f: Ifojusi Gigun
ff: Iwaju Ipari Iwaju
fb: Pada Ipari Idojukọ
R: Radius ti ìsépo
tc: Sisanra aarin
te: Sisanra eti
H”: Pada Principal ofurufu
Akiyesi: Gigun idojukọ 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-ite Zinc Selenide (ZnSe)
-
Iru
Double-Convex (DCX) lẹnsi
-
Atọka ti Refraction @ 10.6 µm
2.403
-
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/-0.02 mm
-
Ifarada Sisanra
Presection: +/- 0.10 mm | Ga konge: +/-0.02 mm
-
Ifarada Ipari Idojukọ
+/- 0.1%
-
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
-
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
♦ Iyipada gbigbe ti 5 mm nipọn, sobusitireti ZnSe ti ko ni bo: gbigbe giga lati 0.16 µm si 16 μm
♦ Iyipada gbigbe ti 5 mm nipọn AR-ti a bo ZnSe Bi-Convex: Tavg> 97% lori iwọn 8 µm - 12 μm, awọn iye gbigbe ni awọn agbegbe ita-band jẹ fun awọn itọkasi nikan
