Blue Phase: Shining Star of Liquid Crystals

Yıl 2019, Cilt: 7 Sayı: 3, 1299 - 1318, 31.07.2019

Nejmettin Avci

https://doi.org/10.29130/dubited.549508

Öz

Mavi Faz: Sıvı Kristallerin Parlayan Yıldızı

Öz

Bu
çalışmada mavi faz sıvı kristallerin fiziksel özellikleri, fotonik ve optik
uygulamaları hakkında genel bir bilgi verilmiştir. Mavi faz, izotropik sıvı ile
kolesterik faz arasında bulunan bir sıvı kristal fazıdır. Çift bükümlü her bir
silindirik yapı bu sistemin temel birimini oluşturur ve kendi kendine
birleşerek üç boyutlu bir yapı meydana getirirler. Geleneksel bir sıvı kristal
ile karşılaştırıldığında; milisaniyenin altında tepki hızı, herhangi bir
hizalama katmanına ihtiyaç duymaması, optiksel olarak izotropik olması,
ekranlar için geniş bir görüş açısı sağlaması ve hücre kalınlığına duyarlı
olmaması mavi faz sıvı kristallerin kendine özgü fiziksel üstünlükleridir. Mavi
faz sıvı kristaller bahsedilen bu avantajlarından dolayı optik sistemlerde, görüntüleme
cihazlarında ve diğer benzeri uygulama alanlarında belirgin bir kullanım
potansiyeline sahiptir. 

Anahtar Kelimeler

Mavi faz, sıvı kristal, fotonik, optik

Kaynakça

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