Photophysical and Nonlinear Optical Properties of Carmine Encapsulation Compared with Ionic Solutions and Environmental Polarity

Physics, Optics, Quantum Physics, Chemistry, Physical Chemistry, Materials Chemistry, Materials Science,
Nonlinear optical properties   Encapsulation   Photophysical properties   Z-scan technique   Laser  

Study on the Photophysical and Nonlinear Optical Properties of Carmine Encapsulation Background Introduction Nonlinear optical (NLO) materials have received widespread attention in recent years in fields such as laser technology, medicine, and biomedical imaging. Due to their unique optical properties, such as optical switching, optical limiting, a...

Wide-Band High-Performance Optical Modulator Based on a Stack of Graphene and h-BN Layers

Physics, Optics, Condensed Matter Physics, Chemistry, Nanoscience, Engineering, Electrical Engineering,
optical modulator   plasmonics   graphene   h-BN   modulation depth   loss   electro-optical modulation  

Research on High-Performance Wideband Optical Modulators: Innovative Design Based on Stacked Graphene and Hexagonal Boron Nitride Structures Research Background and Problem Statement With the rapid development of optical communication technology, electro-optic modulators play a crucial role in modern telecommunication systems. However, achieving hi...

Conceptual Design of Multimode Interference-Based Photonic Crystal Mach-Zehnder Interferometer (De)Interleavers

Physics, Optics, Engineering, Electrical Engineering, Materials Science, Information Science, Electronic Information,
Photonic Crystals   Integrated Photonics   Mach-Zehnder Interferometer   Multimode Interference   (De)Multiplexing   (De)Interleaver  

Research Background and Problem Statement With the rapid development of modern optical communication technology, wavelength division multiplexing (WDM) systems play a core role in achieving high-capacity, multifunctional optical networks. Among these, (de)interleavers, as key components of wavelength demultiplexing structures, can efficiently separ...

UVC LED System for Prolonging the Postharvest Shelf Life of Murcotts

Physics, Optics, Engineering, Environmental Engineering, Life Sciences, Bioengineering, Botany,
UVC technology   fruit preservation   murcott   optical system   green mold  

Academic Background Citrus fruits have long been favored by consumers for their rich nutritional value and unique flavor. However, citrus fruits are highly susceptible to diseases during postharvest storage, particularly green mold caused by Penicillium digitatum. This disease leads to fruit decay and significantly shortens storage life. Traditiona...

Structural Design of a Mid-Infrared Low-Noise Waveguide Photodetector Integrated with an Ultra-Short Waveguide Taper

Physics, Optics, Materials Science, Information Science, Electronic Information, Semiconductors and Information Devices,
mid-infrared   waveguide photodetector   ultra-short waveguide taper   dark current   noise equivalent power  

Academic Background The mid-infrared spectrum range (2.5 to 20 µm) is widely used in gas detection, optical communication, high-quality imaging, bacterial research, and soil composition analysis due to its characteristic absorption peaks of many molecular bonds. Among these applications, waveguide photodetectors have become a key component in photo...