Two-dimensional Wrinkle Resonators for Random Lasing in Organic Glasses

We present fluorescence and a random lasing enhancement effect due to the interaction between gold nanoparticles (AuNPs) and Rhodamine 6G (Rh6G) dye. Non-covalently bounded dyes in the proximity of nanoparticles are studied in three systems of varying dimensionality: from (i) three-dimensional freely distributed suspensions, through (ii) quasi-two-dimensional multilamellar liposomes, to (iii) solid two-dimensional thin layers. Liposomes facilitate the formation of stable AuNPs/Rh6G composition showing enhanced fluorescence, while solid thin films exhibit plasmon-assisted random lasing.

Download Full-text

Two-Dimensional Multimode Terahertz Random Lasing with Metal Pillars

ACS Photonics ◽

10.1021/acsphotonics.8b00260 ◽

2018 ◽

Vol 5 (7) ◽

pp. 2928-2935 ◽

Cited By ~ 7

Author(s):

Yongquan Zeng ◽

Guozhen Liang ◽

Bo Qiang ◽

Kedi Wu ◽

Jing Tao ◽

...

Keyword(s):

Two Dimensional ◽

Random Lasing

Download Full-text

Theoretical research on the random lasing from two-dimensional anisotropic media consisted of liquid crystal and mixed dye

Optical and Quantum Electronics ◽

10.1007/s11082-012-9615-7 ◽

2012 ◽

Vol 45 (3) ◽

pp. 209-219 ◽

Cited By ~ 1

Author(s):

Hai Liu ◽

Jiantao Lv

Keyword(s):

Liquid Crystal ◽

Anisotropic Media ◽

Theoretical Research ◽

Two Dimensional ◽

Random Lasing

Download Full-text

Manipulation of Random Lasing Action From Dye-Doped Liquid Crystals Infilling Two-Dimensional Confinement Single Core Capillary

IEEE Photonics Journal ◽

10.1109/jphot.2015.2421441 ◽

2015 ◽

Vol 7 (3) ◽

pp. 1-9 ◽

Cited By ~ 6

Author(s):

Ja-Hon Lin ◽

Ying-Li Hsiao ◽

Bo-Yu Ciou ◽

Sheng-Hung Lin ◽

Yao-Hui Chen ◽

...

Keyword(s):

Liquid Crystals ◽

Two Dimensional ◽

Random Lasing

Download Full-text

Light Propagation in Disordered Two Dimensional Media and Random Lasing Modes

10.1063/1.3644235 ◽

2011 ◽

Author(s):

Regine Frank ◽

Dmitry N. Chigrin

Keyword(s):

Light Propagation ◽

Two Dimensional ◽

Random Lasing ◽

Lasing Modes

Download Full-text

Two-Dimensional Crystalline Gridding Networks of Hybrid Halide Perovskite for Random Lasing

Crystals ◽

10.3390/cryst11091114 ◽

2021 ◽

Vol 11 (9) ◽

pp. 1114

Author(s):

Jingyun Hu ◽

Haibin Xue ◽

Xinping Zhang

Keyword(s):

Thin Film ◽

Large Scale ◽

Solution Concentration ◽

Two Dimensional ◽

Random Lasing ◽

Large Area ◽

High Quality ◽

Strong Light ◽

Patterned Substrate ◽

Convenient Technique

We report fabrication of large-scale homogeneous crystallization of CH3NH3PbBr3 (MAPbBr3) in the patterned substrate by a two-dimensional (2D) grating. This achieves high-quality optotelectronic structures on local sites in the micron scales and a homogeneous thin-film device in a centimeter scale, proposing a convenient technique to overcome the challenge for producing large-area thin-film devices with high quality by spin-coating. Through matching the concentration of the MAPbBr3/DMF solutions with the periods of the patterning structures, we found an optimized size of the patterning channels for a specified solution concentration (e.g., channel width of 5 μm for a concentration of 0.14 mg/mL). Such a design is also an excellent scheme for random lasing, since the crystalline periodic networks of MAPbBr3 grids are multi-crystalline constructions, and supply strong light-scattering interfaces. Using the random lasing performance, we can also justify the crystallization qualities and reveal the responsible mechanisms. This is important for the design of large-scale optoelectronic devices based on thin-film hybrid halide perovskites.

Download Full-text

Spectrophotometric measurements of objective-prism spectra

Symposium - International Astronomical Union ◽

10.1017/s007418090005333x ◽

1966 ◽

Vol 24 ◽

pp. 118-119

Author(s):

Th. Schmidt-Kaler

Keyword(s):

Progress Report ◽

Two Dimensional ◽

Objective Prism ◽

Made In

I should like to give you a very condensed progress report on some spectrophotometric measurements of objective-prism spectra made in collaboration with H. Leicher at Bonn. The procedure used is almost completely automatic. The measurements are made with the help of a semi-automatic fully digitized registering microphotometer constructed by Hög-Hamburg. The reductions are carried out with the aid of a number of interconnected programmes written for the computer IBM 7090, beginning with the output of the photometer in the form of punched cards and ending with the printing-out of the final two-dimensional classifications.

Download Full-text

Introductory paper

Symposium - International Astronomical Union ◽

10.1017/s0074180900053031 ◽

1966 ◽

Vol 24 ◽

pp. 3-5

Author(s):

W. W. Morgan

Keyword(s):

Line Intensity ◽

Classification Scheme ◽

Two Dimensional ◽

Spectral Classification ◽

Dimensional Array ◽

Rr Lyrae ◽

Metallic Line ◽

Introductory Paper ◽

Parameter Varying ◽

Definition Of

1. The definition of “normal” stars in spectral classification changes with time; at the time of the publication of theYerkes Spectral Atlasthe term “normal” was applied to stars whose spectra could be fitted smoothly into a two-dimensional array. Thus, at that time, weak-lined spectra (RR Lyrae and HD 140283) would have been considered peculiar. At the present time we would tend to classify such spectra as “normal”—in a more complicated classification scheme which would have a parameter varying with metallic-line intensity within a specific spectral subdivision.

Download Full-text