Results 41 to 50 of about 553,597 (280)

Magnetic field tunable terahertz quantum well infrared photodetector [PDF]

, 2005
A theoretical model and a design of a magnetic field tunable CdMnTe/CdMgTe terahertz quantum well infrared photodetector are presented. The energy levels and the corresponding wavefunctions were computed from the envelope function Schr¨odinger equation
Harrison, P., Ikonic, Z., Indjin, D., Jovanovic, V.D., Milanovic, V., Savic, I., Vukmirovic, N.   +6 more
core   +1 more source

Semiconducting Monolayer Materials as a Tunable Platform for Excitonic Solar Cells [PDF]

, 2012
The recent advent of two-dimensional monolayer materials with tunable optoelectronic properties and high carrier mobility offers renewed opportunities for efficient, ultra-thin excitonic solar cells alternative to those based on conjugated polymer and ...
Akaike K., Ataca C., Bernardi M., Blase X., Cabanillas-Gonzales J., Ci L., Dou L., Faist M. A., Franceschetti A., Gabor N. M., Gao G., Geim A., Giannozzi P., Giantomassi M., Ginley D., Gregg B. A., Jeffrey C. Grossman, Kanai Y., Levendorf M. P., Li J., Liu L., Lui C. H., Lunt R. R., Lyons L. E., Marco Bernardi, Marini A., Maurizia Palummo, Mayer A. C., Miao X., Miyake T., Monkhorst H. J., Nair R. R., Nelson J., Perdew J., Perdew J. P., Perez M. D., Radisavljevic B., Ross R. T., Rydberg H., Sargent E. H., Sato N., Scharber M. C., Shockley W., Song J. C. W., Splendiani A., Troullier N., Vanderbilt D., Wienk M. M.   +47 more
core   +3 more sources

Highly Sensitive Hydrogen Sensing Based on Tunable Diode Laser Absorption Spectroscopy with a 2.1 μm Diode Laser

Chemosensors, 2022
As a new form of energy, hydrogen (H2) has clean and green features, and the detection of H2 has been a hot topic in recent years. However, the lack of suitable laser sources and the weak optical absorption of H2 limit the research concerning its ...
Tiantian Liang, Shunda Qiao, Xiaonan Liu, Yufei Ma   +3 more
doaj   +1 more source

Demonstration of a microelectromechanical tunable F-P cavity based on graphene-bonded fiber devices [PDF]

, 2019
Taking advantage of the high thermal conductivity of graphene, this paper demonstrates a microelectromechanical (MEM) tunable Fabry-Perot (F-P) cavity, based on a graphene-bonded fiber device (GFD) which acts as a microheater.
Balandin, Balandin, Bao, Bolotin, Bonaccorso, Brambilla, Brambilla, Bruland, Chen, Chen, Cheng Li, Drachenberg, Du, Fei Xu, Geim, Ghosh, Jin-Hui Chen, Kang, Kenneth T. V. Grattan, Kou, Kou, Li, Lin, Liu, Lou, Mavoori, Nika, Novoselov, Prasher, Sadeghi, Shiue, Sidorov, Subrina, Sui, Sun, Tong Sun, Wang, Ye Chen, Yokouchi, Yu, Yu, Zheng, Zhu Zheng   +42 more
core   +1 more source

Colossal tunability in high frequency magnetoelectric voltage tunable inductors [PDF]

Nature Communications, 2018
AbstractThe electrical modulation of magnetization through the magnetoelectric effect provides a great opportunity for developing a new generation of tunable electrical components. Magnetoelectric voltage tunable inductors (VTIs) are designed to maximize the electric field control of permeability.
Yongke Yan, Liwei D. Geng, Yaohua Tan, Jianhua Ma, Lujie Zhang, Mohan Sanghadasa, Khai Ngo, Avik W. Ghosh, Yu U. Wang, Shashank Priya   +9 more
openaire   +4 more sources

Highly Sensitive Measurement of Oxygen Concentration Based on Reflector-Enhanced Photoacoustic Spectroscopy

Sensors, 2022
Oxygen (O2) is a colorless and odorless substance, and is the most important gas in human life and industrial production. In this invited paper, a highly sensitive O2 sensor based on reflector-enhanced photoacoustic spectroscopy (PAS) is reported for the
Shuhan Yang, Shunda Qiao, Xiaonan Liu, Yufei Ma   +3 more
doaj   +1 more source

A Miniaturized 3D-Printed Quartz-Enhanced Photoacoustic Spectroscopy Sensor for Methane Detection with a High-Power Diode Laser

Sensors, 2023
In this invited paper, a highly sensitive methane (CH4) trace gas sensor based on quartz-enhanced photoacoustic spectroscopy (QEPAS) technique using a high-power diode laser and a miniaturized 3D-printed acoustic detection unit (ADU) is demonstrated for ...
Yanjun Chen, Tiantian Liang, Shunda Qiao, Yufei Ma   +3 more
doaj   +1 more source

Airborne Streak Tube Imaging LiDAR Processing System: A Single Echo Fast Target Extraction Implementation

Remote Sensing, 2023
In this paper, a ground target extraction system for a novel LiDAR, airborne streak tube imaging LiDAR (ASTIL), is proposed. This system depends on only a single echo and a single data source, and can achieve fast ground target extraction.
Yongji Yan, Hongyuan Wang, Boyi Song, Zhaodong Chen, Rongwei Fan, Deying Chen, Zhiwei Dong   +6 more
doaj   +1 more source

Taurus Tunable Filter -- seven years of observing

, 2003
The Taurus Tunable Filter (TTF) has now been in regular use for seven years on the Anglo-Australian Telescope. The instrument was also used for three years (1996--1999) on the William Herschel Telescope.
Bland-Hawthorn, Bland-Hawthorn, Bland-Hawthorn, Bland-Hawthorn, Cecil, Cecil, Cepa, Cianci, Cianci, Cianci, Ferguson, Glazebrook, Heckman, Hewett, Higdon, Hippelein, J. Bland-Hawthorn, Jaffe, Jones, Knapp, L. Kedziora-Chudczer, Meurer, Meurer, Miller, Miller, Riddick, Ryder, Ryder, Schuberth, Shopbell, van Gorkom, Veilleux, Veilleux, Veilleux, Veilleux, Zurita   +35 more
core   +2 more sources

Received Power Attenuation Analysis Based on Wavelet for Reflection-Style Optical Antenna Deformations in Free-Space Laser Communications

International Journal of Antennas and Propagation, 2011
Diversified deformations on reflection-style optical antennas caused by processing technique and complex outer-space environment in free-space laser communications are modeled by wavelet analysis.
Wanqing Xie, Liying Tan, Jing Ma, Yang Liu   +3 more
doaj   +1 more source