Ruwan tabarau na Plano-concave suna aiki da kyau lokacin da abu da hoton suke a cikakkiyar ma'aunin ma'auni, fiye da 5:1 ko ƙasa da 1:5. A wannan yanayin, yana yiwuwa a rage ɓarnawar yanayi, coma, da murdiya. Hakazalika tare da ruwan tabarau na plano-convex, don cimma matsakaicin inganci, shimfidar lanƙwasa ya kamata ta fuskanci mafi girman nisa na abu ko madaidaicin haɗin gwiwa don rage ɓarnawar yanayi (sai dai lokacin amfani da Laser mai ƙarfi inda yakamata a juya wannan don kawar da yiwuwar kama-da-wane). mayar da hankali).
Saboda girman watsawar sa daga 0.18 µm zuwa 8.0 μm, CaF2 yana nuna ƙananan ma'anar refractive wanda ya bambanta daga 1.35 zuwa 1.51 kuma ana amfani dashi don aikace-aikacen da ke buƙatar babban watsawa a cikin infrared da ultraviolet spectral jeri, yana da ma'anar refractive na 1.4064 a 1.428 . Calcium fluoride shima ba shi da ƙarancin sinadarai kuma yana ba da tauri mafi girma idan aka kwatanta da barium fluoride, da kuma 'yan uwan magnesium fluoride. Paralight Optics yana ba da ruwan tabarau mai ɗaukar hoto na Calcium Fluoride (CaF2) tare da kayan rufe fuska don kewayon tsayin 2 µm zuwa 5 µm wanda aka ajiye a saman duka biyun. Wannan rufin yana rage girman tasirin abin da ke cikin ƙasa, yana haifar da matsakaicin watsawa fiye da 97% akan duk kewayon shafi na AR. Bincika Hotuna masu zuwa don bayanin ku.
Calcium Fluoride (CaF2)
Ba a rufe ko tare da Rubutun Anti Reflection
Akwai daga -18 zuwa -50 mm
Ya dace don Amfani a cikin Aikace-aikacen Laser Excimer, a Spectroscopy da Cooled Thermal Hoto
Substrate Material
Calcium Fluoride (CaF2)
Nau'in
Lens na Plano-Concave (PCV).
Fihirisar Refraction (nd)
1.428 @ Nd: Yag 1.064 μm
Lambar Abbe (Vd)
95.31
Ƙididdigar Ƙarfafa Ƙarfafa Ƙwararru (CTE)
18.85 x 10-6/ ℃
Haƙuri na Diamita
Daidaitawa: +0.00/-0.10mm | Maɗaukakin Maɗaukaki: +0.00/-0.03 mm
Hakuri na kauri na tsakiya
Daidaitawa: +/- 0.10 mm | Maɗaukakin Maɗaukaki: +/- 0.03 mm
Hakuri Tsawon Tsawon Hankali
+/- 2%
Ingancin saman (Scratch-Dig)
Daidaitawa: 80-50 | Maɗaukakin Maɗaukaki: 60-40
Lalacewar Sama (Side na Plano)
λ/4
Ƙarfin Ƙarfin Sama (Spherical Side)
3 λ/2
Rarraba Surface (Kololuwa zuwa kwari)
λ/2
Cibiyar
Daidaitawa:<3 arcmin | Babban Madaidaici:<1 armin
Share Budewa
90% na Diamita
Range Rufin AR
2-5m ku
Watsawa akan Rage Rufe (@ 0° AOI)
Tavg> 97%
Tunani akan Rage Rufe (@ 0° AOI)
Ravg<1.25%
Zane Tsayin Tsawon Tsawon Tsawon Lokaci
588nm ku