Search Results - "Acharya, Bharat R"

Biaxial nematic phase in bent-core thermotropic mesogens by Acharya, Bharat R, Primak, Andrew, Kumar, Satyendra

“…A biaxial nematic phase had been predicted with D(2h) symmetry, wherein the mesogen's long and short transverse axes are simultaneously aligned along the two…”
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Mixed Alkylsilane Functionalized Surfaces for Simultaneous Wetting and Homeotropic Anchoring of Liquid Crystals by Noonan, Patrick S, Shavit, Amit, Acharya, Bharat R, Schwartz, Daniel K

“…Surfaces functionalized with a self-assembled monolayer (SAM) formed from a mixture of two alkylsilanes with different chain lengths have been designed to…”
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Role of Molecular Structure on X-ray Diffraction in Uniaxial and Biaxial Phases of Thermotropic Liquid Crystals by Acharya, Bharat R, Kang, Shin-Woong, Prasad, Veena, Kumar, Satyendra

“…X-ray diffraction is one of the most definitive methods to determine the structure of condensed matter phases, and it has been applied to unequivocally infer…”
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X-ray diffraction from the uniaxial and biaxial nematic phases of bent-core mesogens by Acharya, Bharat R., Kang, Shin-Woong, Kumar, Satyendra

“…X-ray diffraction patterns for the uniaxial and biaxial nematic phases exhibited by rigid bent-core mesogens were calculated using a simple model for the…”
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47.3: Invited Paper: Near IR Transmission System (NITS): LCD Enhancement Films Enabling High Performance Near IR Transparent LCDs by Acharya, Bharat R., Sousa, Matthew, Fabick, Ryan, Taylor, Robert, Rosen, David, Cole, Matthew, Sanford, Quinn, Long, Shine, Liu, Desmond, Liu, Yang, Chen, Jennifer, Wang, Richens, Hu, Geegee

“…The conventional light management films used to enhance display performance of a conventional edge‐lit LCD reflect, scatter, and refract both visible and near…”
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18‐2: Invited Paper: LCD Enhancement Films Enabling High‐Performance Near‐IR Transparent LCDs by Acharya, Bharat R., Sousa, Matthew, Fabick, Ryan, Taylor, Robert, Rosen, David, Cole, Matthew, Sanford, Quinn, Long, Shine, Liu, Desmond, Liu, Yang, Chen, Jennifer, Wang, Richens, Hu, Geegee

“…The conventional light management films used to enhance display performance of a conventional edge‐lit LCD reflect, scatter, and refract both visible and near…”
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Three-Dimensional and Multilayer Nanostructures Formed by Nanotransfer Printing by Zaumseil, Jana, Meitl, Matthew A, Hsu, Julia W. P, Acharya, Bharat R, Baldwin, Kirk W, Loo, Yueh-Lin, Rogers, John A

“…This letter describes the use of nanotransfer printing (nTP) for forming three-dimensional (3D) structures with feature sizes between tens of nanometers and…”
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Quantitative detection of a simulant of organophosphonate chemical warfare agents using liquid crystals by VanTreeck, Heidi J., Most, Darrin R., Grinwald, Bart A., Kupcho, Kurt A., Sen, Avijit, Bonds, Michael D., Acharya, Bharat R.

“…The performance characteristics of liquid crystal (LC)-based sensors for detection of dimethylmethylphosphonate (DMMP), a representative organophosphonate…”
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Alignment of nematic liquid crystals at inorganic salt-liquid crystal interfaces by Sen, Avijit, Acharya, Bharat R.

“…This paper reports the results of a systematic investigation of factors that determine the alignment of nematic liquid crystals (NLCs) on inorganic salt…”
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Liquid crystal-based sensors for selective and quantitative detection of nitrogen dioxide by Sen, Avijit, Kupcho, Kurt A., Grinwald, Bart A., VanTreeck, Heidi J., Acharya, Bharat R.

“…A highly sensitive nitrogen dioxide (NO2) sensor based on orientational transition of a thin film of liquid crystal (LC) supported on a gold surface is…”
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A Liquid Crystal-Based Passive Badge for Personal Monitoring of Exposure to Hydrogen Sulfide by Robinson, Sheila E., Grinwald, Bart A., Bremer, Laura L., Kupcho, Kurt A., Acharya, Bharat R., Owens, Patrick D.

“…A new liquid crystal (LC)-based passive dosimeter badge for personal monitoring of exposure to hydrogen sulfide (H 2 S) gas is reported. When a thin film of LC…”
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The elusive thermotropic biaxial nematic phase in rigid bent-core molecules by Acharya, Bharat R., Primak, Andrew, Dingemans, Theo J., Samulski, Edward T., Kumar, Satyendra

“…The biaxial nematic liquid crystalline phase was predicted several decades ago. Several vigorous attempts to find it in various systems resulted in…”
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Thermal Stability of Liquid Crystal Alignment Layers Prepared by In-Situ Ultra-Violet Exposure during Imidization of Polyimide by Kim, Jae-Hoon, Acharya, Bharat R., Agra, D\~ena Mae, Kumar, Satyendra

“…A novel method for liquid crystal alignment using in-situ exposure to linearly polarized ultra-violet (LPUV) light during imidization of polyimide has been…”
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A Simple and Material Independent Method for the Determination of Anchoring Properties of Rubbed Polyimide Surfaces by Acharya, Bharat R., Kim, Jae-Hoon, Kumar, Satyendra

“…A method to determine liquid crystal (LC) anchoring properties, that exploits the changes induced in a rubbed polyimide (PI) film upon exposure to linearly…”
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Detection of organophosphate pesticides using a prototype liquid crystal monitor by Adgate, John L, Barteková, Andrea, Raynor, Peter C, Griggs, J Girard, Ryan, Andrew D, Acharya, Bharat R, Volkmann, Carla J, Most, Darrin D, Lai, Siyi, Bonds, Michael D

“…The precision and accuracy of a prototype wearable liquid crystal monitor (LCM) for the measurement of airborne organophosphate pesticide concentrations was…”
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A method for liquid crystal alignment using in situ ultraviolet exposure during imidization of polyimide by Kim, Jae-Hoon, Acharya, Bharat R., Kumar, Satyendra, Ha, Ki Ryong

“…Homogeneous alignment of liquid crystals can be achieved by a technique using polyimide films and in situ exposure to linearly polarized ultraviolet (LPUV)…”
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Homeotropically aligning phase separated columnar structures for fabrication of flexible electrooptical devices by Acharya, Bharat R., Choi, Hyunchul, Srinivasarao, Mohan, Kumar, Satyendra

“…A method of achieving homeotropic alignment of liquid crystals (LCs) by ultraviolet light induced phase separation of LC from its mixture with photo-curable…”
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Role of Molecular Structure on X-ray Diffraction in Thermotropic Uniaxial and Biaxial Nematic Liquid Crystal Phases by Acharya, Bharat R., Kang, Shin-Woong, Prasad, Veena, Kumar, Satyendra

“…X-ray diffraction is one of the most definitive methods to determine the structure of condensed matter phases, and it has been applied to unequivocally infer…”
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Tunable optical fiber devices based on broadband long-period gratings and pumped microfluidics by Acharya, Bharat R., Krupenkin, Tom, Ramachandran, Siddharth, Wang, Z., Huang, C. C., Rogers, John A.

“…This letter describes classes of tunable microfluidic fiber (μFF) devices that use specially designed long-period gratings in which the phase matching…”
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In-fiber nematic liquid crystal optical modulator based on in-plane switching with microsecond response time by Acharya, Bharat R., Baldwin, K. W., MacHarrie, R. A., Rogers, John A., Huang, C. C., Pindak, R.

“…We describe a simple method and device design that enables fast in-plane electro-optic modulation in conventional nematic liquid crystal (NLC) devices. When…”
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