Keɓaɓɓen Sapphire/Fused Silica/Bk7 Na gani Aspherical Lens

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Lens na aspheric ko asphere (sau da yawa ana yiwa lakabin ASPH akan guntun ido) ruwan tabarau ne wanda bayanan martabar samansa ba yanki bane na yanki ko silinda.Siffar bayanin martabar asphere mafi rikitarwa na iya ragewa ko kawar da ɓarnawar yanayi da kuma rage wasu ɓarna na gani kamar astigmatism, idan aka kwatanta da ruwan tabarau mai sauƙi.Ruwan tabarau na aspheric guda ɗaya na iya sau da yawa maye gurbin tsarin ruwan tabarau da yawa mai rikitarwa.

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Lens na aspheric ko asphere (sau da yawa ana yiwa lakabin ASPH akan guntun ido) ruwan tabarau ne wanda bayanan martabar samansa ba yanki bane na yanki ko silinda.Siffar bayanin martabar asphere mafi rikitarwa na iya ragewa ko kawar da ɓarnawar yanayi da kuma rage wasu ɓarna na gani kamar astigmatism, idan aka kwatanta da ruwan tabarau mai sauƙi.Ruwan tabarau na aspheric guda ɗaya na iya sau da yawa maye gurbin tsarin ruwan tabarau da yawa mai rikitarwa.Na'urar da aka samu ta kasance ƙarami kuma mai sauƙi, kuma wani lokacin mai rahusa fiye da ƙirar ruwan tabarau masu yawa.Ana amfani da abubuwa masu aspheric a cikin ƙirar nau'i-nau'i mai fadi da yawa da ruwan tabarau na al'ada mai sauri don rage raguwa.Ana kuma amfani da su a hade tare da abubuwa masu haskakawa (tsarin catadioptric) kamar farantin gyaran gyare-gyare na aspherical Schmidt da aka yi amfani da shi a cikin kyamarori na Schmidt da na'urar hangen nesa na Schmidt-Cassegrain.Ana amfani da ƙananan gyare-gyaren aspheres sau da yawa don haɗuwa da laser diode.Har ila yau, a wasu lokuta ana amfani da ruwan tabarau na aspheric don gilashin ido.Gilashin tabarau na aspheric suna ba da izinin hangen nesa fiye da daidaitattun ruwan tabarau na "mafi kyawun nau'i", galibi lokacin kallon wasu kwatance fiye da cibiyar gani na ruwan tabarau.Bugu da ƙari, rage tasirin haɓakawa na ruwan tabarau na iya taimakawa tare da takardun magani waɗanda ke da iko daban-daban a cikin idanu 2 (anisometropia).Ba tare da alaƙa da ingancin gani ba, suna iya ba da ruwan tabarau mai sirara, sannan kuma su karkatar da idanun mai kallo ƙasa da yadda wasu mutane ke gani, suna samar da kyakkyawan kyan gani.
2.Spherical vs aspherical ruwan tabarau

Ruwan tabarau na aspherical spectacle suna amfani da mabambanta masu lankwasa a saman su don rage girma kuma su sanya su fiɗa a cikin bayanin martaba.Lenses masu siffar zobe suna amfani da lanƙwasa guda ɗaya a cikin bayanan martaba, yana mai da su sauƙi amma mafi girma, musamman a tsakiyar ruwan tabarau.
3.Aspheric Amfani
Wataƙila mafi ƙarfin gaskiya game da asphericity shine hangen nesa ta hanyar ruwan tabarau na aspheric yana kusa da hangen nesa na halitta.Zane-zanen aspheric yana ba da damar yin amfani da maɓallan tushe masu faɗi ba tare da lalata aikin gani ba.Bambanci na asali tsakanin ruwan tabarau mai siffar zobe da kuma ruwan tabarau na aspheric shine cewa ruwan tabarau mai siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar da kuma siffar da aka yi da shi kuma yana da siffar kamar kwando.Lens na aspheric yana juyawa a hankali, kamar ƙwallon ƙafa a ƙasa.Ruwan tabarau na aspheric yana rage haɓakawa don sa bayyanar ta zama ta halitta kuma raguwar kauri na tsakiya yana amfani da ƙarancin abu, yana haifar da ƙarancin nauyi.

Ƙayyadaddun bayanai

Standard Fused Silica:
Abu: UV grade Fused Silica (JGS1)
Haƙurin Girma: +0.0/-0.2mm
Surface figure: λ/4@632.8nm
Ingancin saman: 60-40
Jurewar kwana: ± 3′
Dala:<10'
Girman: 0.2 ~ 0.5mmX45°
Rufi: kamar yadda ake bukata

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