Liquid Crystals Reviews最新文献_第4页

Liquid crystal light valves as optically addressed liquid crystal spatial light modulators: optical wave mixing and sensing applications 作为光学寻址液晶空间光调制器的液晶光阀:光波混频和传感应用

IF 5.1 3区材料科学

Liquid Crystals Reviews Pub Date : 2018-01-02 DOI: 10.1080/21680396.2018.1496041

S. Residori, U. Bortolozzo, J. Huignard

{"title":"Liquid crystal light valves as optically addressed liquid crystal spatial light modulators: optical wave mixing and sensing applications","authors":"S. Residori, U. Bortolozzo, J. Huignard","doi":"10.1080/21680396.2018.1496041","DOIUrl":"https://doi.org/10.1080/21680396.2018.1496041","url":null,"abstract":"ABSTRACT Liquid crystals offer an unique versatile platform for optical applications and light manipulation. Indeed, besides the well-known realization of liquid crystal displays, liquid crystal-based technologies and, particularly, spatial light modulators (SLM) allow achieving efficient control of the phase and amplitude of optical beams at various wavelengths and optical powers. Thanks to their transparency in a wide range of the electromagnetic spectrum, optical selectivity and high birefringence, liquid crystals offer the possibility of implementing optical functions, as spectral filters, light shaping, delay lines and phase shifter, in a wide range of optical wavelengths and input powers depending on the particular configuration and materials considered. In this review, we present an overview of our achievements on liquid crystal light valves, optically addressed SLM that combine liquid crystals with a photosensitive material in order to optimize the electro-optical response of the medium as a whole. We show the ability of light valves in behaving as nonlinear optical media where optical wave mixing can be performed with various interaction schemes. Different applications, such as slow light, interferometry, optical sensing and dynamic holography, are highlighted.","PeriodicalId":18087,"journal":{"name":"Liquid Crystals Reviews","volume":"6 1","pages":"1 - 16"},"PeriodicalIF":5.1,"publicationDate":"2018-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21680396.2018.1496041","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42834326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 11

Cholesteric and blue-phase liquid photonic crystals for nonlinear optics and ultrafast laser pulse modulations 用于非线性光学和超快激光脉冲调制的胆甾相和蓝相液体光子晶体

IF 5.1 3区材料科学

Liquid Crystals Reviews Pub Date : 2018-01-02 DOI: 10.1080/21680396.2018.1509387

I. Khoo

引用次数: 12

Liquid crystals for signal processing applications in the microwave and millimeter wave frequency ranges 液晶信号处理应用于微波和毫米波频率范围

IF 5.1 3区材料科学

Liquid Crystals Reviews Pub Date : 2018-01-02 DOI: 10.1080/21680396.2018.1509385

R. Camley, Z. Celinski, Y. Garbovskiy, A. Glushchenko

引用次数: 34

Liquid crystal elastomers: an introduction and review of emerging technologies 液晶弹性体：新兴技术的介绍与评述

IF 5.1 3区材料科学

Liquid Crystals Reviews Pub Date : 2018-01-02 DOI: 10.1080/21680396.2018.1530155

Sabina W. Ula, N. A. Traugutt, R. Volpe, Ravi R. Patel, Kai Yu, C. M. Yakacki

{"title":"Liquid crystal elastomers: an introduction and review of emerging technologies","authors":"Sabina W. Ula, N. A. Traugutt, R. Volpe, Ravi R. Patel, Kai Yu, C. M. Yakacki","doi":"10.1080/21680396.2018.1530155","DOIUrl":"https://doi.org/10.1080/21680396.2018.1530155","url":null,"abstract":"ABSTRACT Liquid crystal elastomers (LCEs) are a unique class of materials that combine rubber elasticity with liquid crystalline anisotropy to produce exceptional physical and optical properties such as actuation, soft elasticity, and birefringence. This review gives a brief overview of the physics behind liquid crystals and classifications of LCEs before discussing the methods traditionally used to synthesize LCEs, the new methods of synthesis that have emerged within the past several years, and the developing applications of LCEs. The review begins by discussing the organization of liquid crystals in LCEs and how their coupling to the polymer backbone affects their macroscopic properties. Traditional LCE synthesis methods and their drawbacks in terms of moving towards applications are then touched upon, as well as emerging chemistries that eliminate many of the challenges associated with LCE synthesis. Thiol-Michael reactions and covalent adaptable networks, which allow for bulk sample synthesis and repeated programming, respectively, are discussed at length. Finally, applications of LCEs in 4D printing and as biomedical devices are illustrated.","PeriodicalId":18087,"journal":{"name":"Liquid Crystals Reviews","volume":"6 1","pages":"107 - 78"},"PeriodicalIF":5.1,"publicationDate":"2018-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21680396.2018.1530155","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43936303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 158

Liquid crystal lenses with tunable focal length 焦距可调的液晶透镜

IF 5.1 3区材料科学

Liquid Crystals Reviews Pub Date : 2017-07-03 DOI: 10.1080/21680396.2018.1440256

Yi-Hsin Lin, Yu-Jen Wang, V. Reshetnyak

引用次数: 157

Cellulosic liquid crystals for films and fibers 用于薄膜和纤维的纤维素液晶

IF 5.1 3区材料科学

Liquid Crystals Reviews Pub Date : 2017-07-03 DOI: 10.1080/21680396.2017.1394923

J. Canejo, N. Monge, C. Echeverria, S. Fernandes, M. Godinho

{"title":"Cellulosic liquid crystals for films and fibers","authors":"J. Canejo, N. Monge, C. Echeverria, S. Fernandes, M. Godinho","doi":"10.1080/21680396.2017.1394923","DOIUrl":"https://doi.org/10.1080/21680396.2017.1394923","url":null,"abstract":"ABSTRACT Cellulose, the most abundant natural polymer on earth, is used in numerous applications in our day-to-day life. However, the discovery that cellulose-based systems could lead to the formation of liquid crystalline phases only dates to the 1970s. Compared with all known applications of cellulose, the liquid crystalline behavior has been less considered. Associated with this are the low solubility of cellulose and the existence of a chiral nematic precursor solution and its processing under the action of a shear field, which is used to produce fibers and films. In this review, we first conduct a short review of the main features of cellulosic liquid crystalline phases including the main textures observed by polarizing optical microscopy and the cholesteric phase characteristics of thermotropic and lyotropic systems observed for cellulose and cellulose derivatives. Then, we focus on the rheological properties of liquid crystalline solutions and special attention is given to the formation of striations developed during shear and the formation of the band texture, which appears during the relaxation process. Among the different techniques used, special emphasis is given to the results obtained by coupling rheology with optical microscopy (Rheo-optics) and nuclear magnetic resonance (Rheo-NMR) techniques. Some examples described in the literature, related to the use of cellulose and cellulose derivatives liquid crystals to the production of structural color scaffolds, stimuli-responsive films and fibers, are addressed. In these systems, the initial cholesteric phase determines the unique properties exhibited by the films and the fibers produced from cellulosic liquid crystalline systems.","PeriodicalId":18087,"journal":{"name":"Liquid Crystals Reviews","volume":"5 1","pages":"110 - 86"},"PeriodicalIF":5.1,"publicationDate":"2017-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21680396.2017.1394923","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45703028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 20

Liquid crystal nanoparticles for commercial drug delivery 用于商业药物递送的液晶纳米粒子

IF 5.1 3区材料科学

Liquid Crystals Reviews Pub Date : 2017-07-03 DOI: 10.1080/21680396.2017.1361874

J. Mo, G. Milleret, Mamatha Nagaraj

{"title":"Liquid crystal nanoparticles for commercial drug delivery","authors":"J. Mo, G. Milleret, Mamatha Nagaraj","doi":"10.1080/21680396.2017.1361874","DOIUrl":"https://doi.org/10.1080/21680396.2017.1361874","url":null,"abstract":"ABSTRACT Liquid crystals (LCs) are an intermediate state of matter that exists between conventional solids and liquids. They are vital to the existence of life as several critical components in living organisms such as cell wall and biochemical fluids are liquid crystalline in nature. Drug delivery based on LCs is a vast field of research. In recent years there has been a huge leap in interest into using LCs, particularly lyotropic liquid crystals (LLCs), as nanoparticles (cubosomes and hexosomes) for drug delivery applications. Such nanoparticle-based drug delivery promise efficient, controlled and target selective release of drugs. This paper reviews the concepts and techniques involved in LLC-based drug delivery. The influence of physical properties of LCs on the drug carrier design and efficiency, key aspects of the methods used to identify, characterize and analyse lyotropic nanoparticles and the feasibility of production of nanoparticles for their widespread usage are discussed. The study suggests that LC-based nanoparticles have the potential to revolutionize drug delivery industry, however a reliable method for production of nanoparticles on a large scale needs to be explored further.","PeriodicalId":18087,"journal":{"name":"Liquid Crystals Reviews","volume":"5 1","pages":"69 - 85"},"PeriodicalIF":5.1,"publicationDate":"2017-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21680396.2017.1361874","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43552664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 50

Ferromagnetic nematic liquid crystals 铁磁向列液晶

IF 5.1 3区材料科学

Liquid Crystals Reviews Pub Date : 2017-01-02 DOI: 10.1080/21680396.2017.1304835

A. Mertelj, D. Lisjak

引用次数: 82

Self-assembly and polymer-stabilization of lyotropic liquid crystals in aqueous and non-aqueous solutions 溶致液晶在水溶液和非水溶液中的自组装和聚合物稳定

IF 5.1 3区材料科学

Liquid Crystals Reviews Pub Date : 2017-01-02 DOI: 10.1080/21680396.2017.1327827

Dae‐Yoon Kim, Seok‐In Lim, D. Jung, Joo-Kyoung Hwang, Namil Kim, K. Jeong

引用次数: 8

Refraction of light on flat boundary of liquid crystals or anisotropic metamaterials 光在液晶或各向异性超材料的平面边界上的折射