Calcium Fluoride (CaF2)
Ruwan tabarau na Plano-Concave

Ruwan tabarau na Plano-concave su ne ruwan tabarau mara kyau waɗanda suka fi kauri a gefen fiye da na tsakiya, lokacin da haske ya ratsa su, yana rarrabuwa kuma wurin mai da hankali yana kama-da-wane.Tsawon tsayinsu mara kyau ne, da kuma radius na curvature na saman masu lanƙwasa.Idan aka yi la'akari da ɓarnawarsu mara kyau, ana iya amfani da ruwan tabarau na plano-concave don daidaita ɓarnawar yanayin da wasu ruwan tabarau ke haifarwa a cikin tsarin gani.Ruwan tabarau na Plano-concave suna da amfani don karkatar da katako mai haɗuwa da haɗuwa da katako mai haɗaɗɗiya, ana amfani da su don faɗaɗa hasken haske da ƙara tsayi mai tsayi a cikin tsarin gani na yanzu.Ana amfani da waɗannan ruwan tabarau mara kyau a cikin na'urorin hangen nesa, kyamarori, lasers ko gilashin don taimakawa tsarin haɓakawa ya zama ɗan ƙaramin ƙarfi.

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 iyakar inganci, shimfidar lanƙwasa ya kamata ya fuskanci mafi girman nisa na abu ko madaidaicin haɗin gwiwa don rage girman ɓarna (sai dai lokacin amfani da Laser mai ƙarfi inda yakamata a juya wannan don kawar da yiwuwar kama-da-wane). mayar da hankali).

Saboda babban watsawar sa daga 0.18 µm zuwa 8.0 μm, CaF2 yana nuna ƙaramin ma'aunin haɓakawa wanda ya bambanta daga 1.35 zuwa 1.51 kuma ana amfani dashi akai-akai don aikace-aikacen da ke buƙatar babban watsawa a cikin jeri na infrared da ultraviolet, 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 '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.

Siffofin:

Abu:

Calcium Fluoride (CaF2)

Zaɓuɓɓukan Rufe:

Ba a rufe ko tare da Rubutun Anti Reflection

Tsawon Hankali:

Akwai daga -18 zuwa -50 mm

Aikace-aikace:

Ya dace don Amfani a cikin Aikace-aikacen Laser Excimer, a Spectroscopy da Cooled Thermal Hoto

Bayanai gama gari:

pro-related-ico — Zane na Magana don

Lens na Plano-concave (PCV).

f: Tsawon Hankali
f_b: Tsawon Hankali na Baya
R: Radius na Curvature
t_c: Kauri na tsakiya
t_e: Kauri Gefe
H”: Babban Jirgin Sama

Lura: An ƙaddara tsayin mai da hankali daga babban jirgin sama na baya, wanda ba lallai ba ne ya yi layi tare da kaurin gefen.

Ma'auni

Rage & Haƙuri

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
Rahoton da aka ƙayyade na 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