Igwe anya anya Plano-convex na-enye mgbagha dị obere mgbe ha na-elekwasị anya na enweghi ngwụcha (mgbe ihe onyonyo a nọ n'ebe dị anya na ọnụ ọgụgụ conjugate dị elu). Ya mere, ha bụ oghere na-aga na igwefoto na teliskop. A na-enweta arụmọrụ kachasị elu mgbe elu plano chere ihu ụgbọ elu a chọrọ, ya bụ, elu gbagọrọ agbagọ na-eche ihu n'osisi ahụ gbakọtara. Anya anya anya Plano convex bụ ezigbo nhọrọ maka mgbako ọkụ ma ọ bụ maka itinye uche ngwa na-eji ọkụ monochromatic, na ụlọ ọrụ dị ka ụlọ ọrụ mmepụta ihe, ọgwụ, robotics, ma ọ bụ nchekwa. Ha bụ nhọrọ akụ na ụba maka ngwa na-achọrọ n'ihi na ha dị mfe ịmepụta. Dị ka usoro isi mkpịsị aka, lenses plano-convex na-arụ ọrụ nke ọma mgbe ihe na ihe oyiyi dị na oke conjugate zuru oke> 5:1 ma ọ bụ <1:5, ya mere aberration sppherical, coma na distortion na-ebelata. Mgbe nkwalite zuru oke achọrọ dị n'etiti ụkpụrụ abụọ a, lenses Bi-convex na-adabakarị.
N'ihi nnukwu nnyefe ya site na 0.18 µm ruo 8.0 μm, CaF2na-egosiputa akara ntugharị dị ala dị iche iche site na 1.35 ruo 1.51 ma na-ejikarị ya maka ngwa chọrọ nnyefe dị elu na oke infrared na ultraviolet spectral ranges. Calcium fluoride dịkwa mma nke ukwuu ma na-enye ike dị elu ma e jiri ya tụnyere barium fluoride ya na ndị ikwu magnesium fluoride. Paralight Optics na-enye Calcium Fluoride (CaF2) lenses plano-convex nwere mkpuchi mgbochi ntụgharị maka ma ọ bụ 1.65 µm ruo 3.0 µm ma ọ bụ 2 µm ruo 5 µm ogologo ikuku. Ihe mkpuchi a na-ebelata nke ọma nleba anya nke mkpụrụ osisi na-erughị 1.25%, na-enyefe nnyefe dị elu karịa 95% n'ofe mkpuchi AR dum. Lelee eserese ndị a maka ntụnyere aka gị.
Calcium Fluoride (CaF2)
Ekpuchighị ma ọ bụ jiri mkpuchi mkpuchi nchegharị
Ọ dị site na 20 ruo 1000 mm
Kwesịrị ekwesị maka ojiji na ngwa Laser Excimer, na Spectroscopy na Cooled Thermal Imaging
Ihe eji eme ihe
Calcium Fluoride (CaF2)
Ụdị
Igwe oghere Plano-Convex (PCV).
Index nke ntụgharị uche
1.428 @ Nd: Yag 1.064 μm
Nọmba Abbe (Vd)
95.31
Ọnụ ego Mgbasawanye okpomọkụ (CTE)
18.85 x 10-6/K (20 - 60 ℃)
Nkwadebe dayameta
Nkenkenke: +0.00/-0.10mm | Elu nkenke: +0.00/-0.03 mm
Nkwenye ịdị arọ nke etiti
Nkenkenke: +/-0.10 mm | Oke nkenke: +/-0.03 mm
Nkwenye Ogologo Focal
+/- 2%
Ogo elu (nyocha-igwu)
Nkenkenke: 80-50 | Elu nkenke: 60-40
Ọdịmma dị elu (akụkụ Plano)
λ/2
Ike dị n'elu okirikiri (akụkụ convex)
3 λ/2
Ọdịghị mma nke elu (Olu ruo Ndagwurugwu)
λ/2
Center
Nkenkenke:<3 arcmin | Nke kacha mma:<1 arcmin
Kpochapụ oghere
> 90% nke dayameta
Oke mkpuchi AR
1.65 µm - 3.0 μm | 2-5 μm
Mbufe gafere oke mkpuchi (@ 0° AOI)
Tavg> 98% | Tavg> 95%
Ntụgharị uche n'elu oke mkpuchi mkpuchi (@ 0° AOI)
Ravg<1.25%
Chepụta ogologo ogologo
588 nm