Awọn lẹnsi Plano-concave ṣe daradara nigbati ohun ati aworan ba wa ni awọn ipin conjugate pipe, tobi ju 5:1 tabi kere si 1:5. Ni idi eyi, o ṣee ṣe lati dinku aberration ti iyipo, coma, ati ipalọlọ. Bakanna pẹlu awọn lẹnsi plano-convex, lati ṣaṣeyọri ṣiṣe ti o pọju, dada te yẹ ki o dojukọ ijinna ohun ti o tobi julọ tabi isunmọ ailopin lati dinku aberration ti iyipo (ayafi nigba lilo pẹlu awọn laser agbara giga nibiti eyi yẹ ki o yipada lati yọkuro iṣeeṣe foju kan idojukọ).
Awọn lẹnsi ZnSe jẹ pataki ni ibamu daradara fun lilo pẹlu agbara giga CO tabi awọn lasers CO2. Ni afikun, wọn le pese gbigbe ti o to ni agbegbe ti o han lati gba laaye lilo ina titete ti o han, botilẹjẹpe awọn ifojusọna ẹhin le jẹ asọye diẹ sii. Paralight Optics nfunni Zinc Selenide (ZnSe) Awọn lẹnsi Plano-Concave (PCV) ti o wa pẹlu gbohungbohun AR iṣapeye fun 2 µm – 13 μm tabi 4.5 – 7.5 μm tabi 8 – 12 μm spectral ibiti o wa ni ipamọ lori awọn aaye mejeeji. Yi bo gidigidi din awọn ga dada reflectivity ti awọn sobusitireti, ti nso ohun apapọ gbigbe ni excess ti 92% tabi 97% kọja gbogbo AR ti a bo ibiti o. Ṣayẹwo Awọn aworan fun awọn itọkasi rẹ.
Zinc Selenide (ZnSe)
Uncoated tabi pẹlu Antireflection Coatings
Wa lati -25.4 mm to -200 mm
Apẹrẹ fun Awọn ohun elo MIR Laser Nitori Olusọdipúpọ Gbigba Kekere
Ohun elo sobusitireti
Zinc Selenide (ZnSe)
Iru
Plano-Convex (PCV) lẹnsi
Atọka ti Refraction
2.403 @ 10.6 μm
Nọmba Abbe (Vd)
Ko Setumo
Olùsọdipúpọ̀ Ìmúgbòòrò gbóná (CTE)
7.6x10-6/℃ ni 273K
Ifarada Opin
Itọkasi: + 0.00 / - 0.10mm | Ga konge: +0.00/-0.02mm
Ifarada Sisanra aarin
Konge: +/- 0.10 mm | Ga konge: +/-0.02 mm
Ifarada Ipari Idojukọ
+/- 0.1%
Didara Dada (Scratch-Dig)
konge: 60-40 | Ga konge: 40-20
Ilẹ̀ Ilẹ̀ (Ẹgbẹ́ Plano)
λ/10
Agbara Dada Yiyi (Ipa Convex)
3 λ/4
Aiṣedeede Dada (Ti o ga si afonifoji)
λ/4
Ile-iṣẹ
Itọkasi:< 5 arcmin | Itọkasi giga:<30 aaki
Ko Iho
80% ti Opin
AR aso Ibiti
2 μm - 13 μm / 4.5 - 7.5 μm / 8 - 12 μm
Gbigbe lori Ibiti Ibo (@ 0° AOI)
Tavg> 92% / 97% / 97%
Iṣaro lori Ibiti Ibo (@ 0° AOI)
Ravg<3.5%
Design wefulenti
10.6µm
Alabajẹ Lesa
5 J/cm2 (100 ns, 1 Hz, @10.6 µm)