Formulas! Formulas! Everywhere!
This article describes activities that can be used to introduce the concepts of perimeter and area with conceptual understanding for students in grades 4 through 9. The transformations of reflection and rotation are used to build this understanding.
Todd O Moyer, R. Michael Krach
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Theoretical Study of Dual-Core Photonic Crystal Fibers With Metal Wire
In this paper, we, for the first time, systematically study a new structure of a dual-core photonic crystal fiber filled with a metal wire in the center air hole.
Shuyan Zhang +6 more
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Photonics Millimeter-Wave Generation in the E-Band and Bidirectional Transmission
For the first time, we propose and experimentally demonstrate millimeter-wave (mm-wave) generation in the E-band (71-76 GHz and 81-86 GHz) based on photonics generation technique.
Xinying Li, Jianjun Yu, Ze Dong, Nan Chi
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Hybrid SRRs Design and Fabrication for Broadband Terahertz Metamaterials
Hybrid metamaterials comprising split-ring resonator (SRR) structures with different gap dimensions are fabricated on polyethylene naphthalate (PEN) films by parallel laser micro-lens array (MLA) lithography and a liftoff process. The unit cell of hybrid
Z. Y. Pan +4 more
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Impact of Detector Spatial Uniformity on the Measurement of Averaged LED Intensity
Photometers are widely used for the measurement of the average LED intensity as defined by CIE 127, under the circumstance that LEDs have many kinds of intensity spatial distributions.
Jian Liu +5 more
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Spectral Dynamical Behavior in Passively Mode-Locked Semiconductor Lasers
In this paper, we present an experimental and theoretical study of passive mode-locking in semiconductor Fabry-Pérot, quantum-well, lasers operating at around 1550 nm and producing picosecond pulses at a repetition frequency of 40 GHz.
P. M. Stolarz +7 more
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High-Quality Optical Frequency Comb by Spectral Slicing of Spectra Broadened by SPM
This paper introduces a spectral slicing technique that extends the useful spectral range of frequency combs generated through self-phase modulation (SPM) of mode-locked laser pulses.
D. Hillerkuss +11 more
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Column Address Selection in Optical RAMs With Positive and Negative Logic Row Access
An optical RAM row access gate followed by a column address selector for wavelength-division-multiplexing (WDM)-formatted words employing a single semiconductor optical amplifier-Mach-Zehnder interferometer (SOA-MZI) is presented.
C. Vagionas +7 more
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High-Speed Correlation and Equalization Using a Continuously Tunable All-Optical Tapped Delay Line
We demonstrate a reconfigurable high-speed optical tapped delay line (TDL), enabling several fundamental real-time signal processing functions such as correlation (for pattern search) and equalization.
Salman Khaleghi +11 more
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Ge-Doped Microstructured Multicore Fiber for Customizable Supercontinuum Generation
Supercontinuum generation in a multicore fiber in which several uncoupled cores were doped with dissimilar concentrations of germanium was studied experimentally.
Daniele Modotto +7 more
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