Mgbe ị na-ekpebi n'etiti oghere plano-concave na lens bi-concave, nke abụọ na-eme ka ọkụ ahụ dị iche iche gbanwee, ọ na-adịkarị mma ịhọrọ oghere bi-concave ma ọ bụrụ na oke conjugate zuru oke (ebe dị anya kewara site na foto anya) dị nso na 1. Mgbe ihe a na-achọsi ike ma ọ bụ ihe na-erughị 0.2 ma ọ bụ karịa 5, ọchịchọ bụ ịhọrọ oghere plano-concave kama.
lense ZnSe dabara nke ọma maka ojiji ya na laser CO2 dị elu. Paralight Optics na-enye Zinc Selenide (ZnSe) Bi-Concave ma ọ bụ Double-Concave (DCV) lenses dị na brọdband AR mkpuchi kachasị maka 8 - 12 μm spectral nso nke edobere n'elu abụọ ahụ. Ihe mkpuchi a na-ebelata oke ihe ngosi elu elu nke mkpụrụ, na-enyefe nkezi nnyefe karịa 97% n'ofe mkpuchi AR dum. Maka ozi ndị ọzọ gbasara mkpuchi, biko lelee eserese ndị a maka ntụnyere aka gị.
Zinc Selenide (ZnSe)
Dị Ekpuchighị Mkpuchi ma ọ bụ ya na mkpuchi nchegharị
Ọ dị site na -25.4mm ruo -200 mm
Dị mma maka CO2 Ngwa Laser n'ihi ọnụọgụ absorption dị ala
Ihe eji eme ihe
Laser-ọkwa Zinc Selenide (ZnSe)
Ụdị
Igwe oghere abụọ Convave (DCV).
Index nke ntụgharị uche
2.403 @ 10.6μm
Nọmba Abbe (Vd)
Akọwaghị ya
Ọnụ ego Mgbasawanye okpomọkụ (CTE)
7.1x10-6/ ℃ na 273K
Nkwadebe dayameta
Nkọwapụta: +0.00/-0.10mm | Elu nkenke: +0.00/-0.02mm
Ọkpụrụkpụ ndidi
Nkọwapụta: +/- 0.10 mm | Elu nkenke: +/-0.02 mm
Nkwenye Ogologo Focal
+/- 1%
Ogo elu (scratch-dig)
Nkọwa: 60-40 | Elu nke ọma: 40-20
Ike dị n'elu ala
3 λ/4
Ọdịghị mma nke elu (Olu ruo Ndagwurugwu)
λ/4 @633 nm
Center
Nkenkenke:<3 arcmin | Elu nkenke< 30 nkeji
Kpochapụ oghere
80% nke dayameta
Oke mkpuchi AR
8-12 μm
Ntụgharị uche n'elu oke mkpuchi mkpuchi (@ 0° AOI)
Ravg<1.0%, Rabs<2.0%
Mbufe gafere oke mkpuchi (@ 0° AOI)
Tavg> 97%, Taabụ> 92%
Chepụta ogologo ogologo
10.6 mm
Oke mmebi nke laser
5 j/cm2(100ns, 1 Hz, @10.6μm)