Ke hoʻohana ʻia e hoʻokaʻawale i ka mālamalama i nā noi hoʻonui beam, pono ke alo o ka concave i ke kukui e hōʻemi i ka aberration spherical. Ke hoʻohana pū ʻia me kahi lens ʻē aʻe, e hoʻonui ka lens meniscus maikaʻi ʻole i ka lōʻihi o ke kiko a hoʻemi i ka puka helu (NA) o ka ʻōnaehana.
He kūpono nā lens ZnSe no ka hoʻohana ʻana i nā lasers CO2 ma muli o nā hiʻohiʻona kiʻi maikaʻi loa a me ke kūpaʻa kiʻekiʻe i ka haʻalulu wela. Hāʻawi ʻo Paralight Optics i nā lens meniscus maikaʻi ʻole Zinc Selenide (ZnSe), e hoʻemi ana kēia mau lens i ka NA o kahi ʻōnaehana optical a loaʻa me kahi uhi anti-reflection broadband, i hoʻopaʻa ʻia no ka 8 µm a 12 μm spectral range i waiho ʻia ma nā ʻaoʻao ʻelua a me nā hua. ka awelika hoʻoili ma mua o 97% ma luna o ka laulā uhi AR holoʻokoʻa.
Zinc Selenide (ZnSe)
ʻAʻole i uhi ʻia a i ʻole me nā ʻāpana Antireflection
Loaʻa mai -40 a -1000 mm
No ka hoemi i ka NA o kekahi Pūnaehana Optical
Mea Papahana
Zinc Selenide (ZnSe)
ʻAno
Nā Lens Meniscus ʻino
Index of Refraction
2.403 @10.6 µm
Helu Abbe (Vd)
ʻAʻole i wehewehe ʻia
ʻO ka Coefficient Hoʻonui Thermal (CTE)
7.1x10-6/ ℃ ma 273K
Hoʻomanawanui anawaena
Pono: +0.00/-0.10mm | Kiekie Kiekie: +0.00/-0.02mm
Hoʻomanawanui Mānoanoa waena
Pono: +/-0.10 mm | Pono Kiʻekiʻe: +/-0.02 mm
Hoʻomanawanui lōʻihi
+/- 1%
ʻAno ʻili (Scratch-Dig)
Pono: 60-40 | Kūlana Kiʻekiʻe: 40-20
Mana Ili Poepoe
3 λ/4
Kūlike ʻole o ka ʻili (Peak to Valley)
λ/4
Ke kikowaena
pololei:< 3 arcmin | ʻO ka pololei kiʻekiʻe:< 30 arcsec
Mākaʻikaʻi Aperture
80% o ke anawaena
AR Lahui
8 - 12 μm
ʻO ka noʻonoʻo ʻana ma luna o ka laulā uhi (@ 0° AOI)
ʻO Ravg< 1.5%
Ka hoʻouna ʻana ma luna o ka laulā uhi (@ 0° AOI)
Helu > 97%
Ka lōʻihi o ka nalu
10.6 μm
Paepae Poino Laser (Pulsed)
5 J/cm2(100 ns, 1 Hz, @10.6μm)