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IEEE Photonics Technology Letters, ISSN 1041-1135, 08/2008, Volume 20, Issue 16, pp. 1387 - 1389
Journal Article
Functional Plant Biology, ISSN 1445-4408, 2003, Volume 30, Issue 8, pp. 865 - 873
Anthocyanins have the potential to mitigate photooxidative injury in leaves, both by shielding chloroplasts from excess high-energy quanta, and by scavenging... 
Anthocyanin | Photoinhibition | Reactive oxygen species | Antioxidant | Lactuca sativa | Photooxidative stress | antioxidant | OPTICAL-PROPERTIES | photoinhibition | QUINTINIA-SERRATA | LOW-TEMPERATURE | PLANT SCIENCES | RED | PHOTOPROTECTION | SUPEROXIDE ANION | reactive oxygen species | PLANTS | anthocyanin | GREEN LEAVES | STRESS | PHOTOSYNTHESIS | photooxidative stress
Journal Article
Journal of Applied Physics, ISSN 0021-8979, 06/2017, Volume 121, Issue 21
Journal Article
Optics Communications, ISSN 0030-4018, 04/2015, Volume 341, pp. 69 - 73
We experimentally demonstrate silicon variable optical attenuators (VOAs) based on thermally tunable Mach–Zehnder interferometers (MZIs). Thermo-optic tuning... 
Variable optical attenuator (VOA) | Mach–Zehnder interference (MZI) | Thermo-optic effect | Mach-Zehnder interference (MZI) | COUPLER | WAVE-GUIDES | PERFORMANCE | ON-INSULATOR | OPTICS | Energy consumption | Silicon | Mach-Zehnder interferometers | Attenuators | Electric potential | Noise levels | Voltage | Attenuation | Diodes | Tuning
Journal Article
Journal of Micromechanics and Microengineering, ISSN 0960-1317, 12/2011, Volume 21, Issue 12, p. 125027
A fast and reliable, fully integrated optofluidic optical attenuator is demonstrated. The concept employs only liquid and thus has no mechanically moving... 
CONTACT | BEHAVIOR | MATERIALS SCIENCE, MULTIDISCIPLINARY | LIQUID DROPLETS | TENSION | NANOSCIENCE & NANOTECHNOLOGY | ENGINEERING, ELECTRICAL & ELECTRONIC | OPTICAL SWITCH | IRIS | INSTRUMENTS & INSTRUMENTATION | MECHANICS | MICROACTUATION | ELECTROWETTING-BASED ACTUATION | MICROFLUIDICS
Journal Article
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X, 2011, Volume 8338
Methods for creation of graded radiant fluxes for low values (the level of ~ 1.02) used to establish the threshold parameters of optical sensors of physical... 
Flux level | Metrology | Spectral response | Glass absorption | Optical attenuator | Attenuators | Correlation | Conferences | Measuring instruments | Fluxes | Optical sensors | Low level
Conference Proceeding
Optics Communications, ISSN 0030-4018, 02/2016, Volume 361, pp. 55 - 58
A low power-consuming variable optical attenuator (VOA) on silicon is demonstrated by using a reflective Mach–Zehnder interferometer (MZI), which consists of... 
Variable optical attenuator (VOA) | Bragg grating | Silicon | Mach–Zehnder interferometer (MZI) | Waveguide | Reflector | Mach-Zehnder interferometer (MZI) | CIRCUITS | COMPACT | TRANSMISSION | POWER THERMOOPTICAL SWITCH | OPTICS | Energy consumption | Optical instruments | Analysis
Journal Article
Applied Physics Express, ISSN 1882-0778, 10/2010, Volume 3, Issue 10, pp. 102203 - 102203-3
We demonstrate the monolithic integration of a silica-based arrayed waveguide grating (AWG) filter and silicon (Si) variable optical attenuators (VOAs) by... 
MODULE | PHYSICS, APPLIED
Journal Article
Journal of Synchrotron Radiation, ISSN 1600-5775, 05/2018, Volume 25, Issue 3, pp. 671 - 685
Journal Article
Journal of Synchrotron Radiation, ISSN 1600-5775, 11/2017, Volume 24, Issue 6, pp. 1195 - 1208
X‐ray gas attenuators are used in high‐energy synchrotron beamlines as high‐pass filters to reduce the incident power on downstream optical elements. The... 
power absorption | tunable laser absorption spectroscopy | gas attenuator | plasma | optical emission spectroscopy | PHYSICS, APPLIED | PERFORMANCE | ABEL-INVERSION | ARGON | DENSITY | DISCHARGE | PRESSURE | INSTRUMENTS & INSTRUMENTATION | LANGMUIR PROBE | OPTICS | Lasers
Journal Article
PROCEEDINGS OF THE ROMANIAN ACADEMY SERIES A-MATHEMATICS PHYSICS TECHNICAL SCIENCES INFORMATION SCIENCE, ISSN 1454-9069, 04/2019, Volume 20, Issue 2, pp. 139 - 148
We approach different types of optomechanical attenuators with shutters and filters. Common devices are reviewed, and their advantages and drawbacks are... 
optical attenuators | disk choppers | neutral density filters | optomechanics | translational optical wedges | MULTIDISCIPLINARY SCIENCES | Risley prisms | FREQUENCY | shutters | transmission coefficient | filters
Journal Article
IEEE Microwave and Wireless Components Letters, ISSN 1531-1309, 06/2018, Volume 28, Issue 6, pp. 512 - 514
We report the design, fabrication, and characterization of a high-performance optically controlled WR-4.3 variable attenuator. The attenuation is based on the... 
variable attenuators | Optical device fabrication | Optical attenuators | Modulation | Attenuation | Silicon | Optical tuning | Optical waveguides | waveguide | MODULATION | SILICON | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
IEEE Photonics Journal, ISSN 1943-0655, 08/2019, Volume 11, Issue 4, pp. 1 - 8
We propose and experimentally demonstrate low-power and broadband variable optical attenuators (VOAs) on the silicon photonics platform. The VOAs are based on... 
Heating systems | Power demand | Silicon nanophotonics | Optical attenuators | Metals | Bandwidth | Attenuation | Substrates | COMPACT | DESIGN | PHYSICS, APPLIED | COHERENT RECEIVER | OPTICS | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
Sensors & Actuators: A. Physical, ISSN 0924-4247, 08/2014, Volume 215, pp. 30 - 35
Journal Article
Optics Express, ISSN 1094-4087, 10/2008, Volume 16, Issue 21, pp. 16754 - 16765
A forward-biased p-i-n diode integrated with a ridge waveguide forms a basic Si attenuator building block. Disruptive power improvement was achieved through a... 
SILICON ELECTROOPTIC MODULATOR | OPTICS | Models, Theoretical | Optical Devices | Computer Simulation | Light | Photons | Scattering, Radiation | Computer-Aided Design | Energy Transfer | Equipment Design | Silicon - chemistry | Equipment Failure Analysis
Journal Article
Optics Communications, ISSN 0030-4018, 2009, Volume 282, Issue 7, pp. 1298 - 1303
To the best of our knowledge, proposed is the first variable fiber optical attenuator (VFOA) using an electronically controlled variable focus liquid lens. The... 
Liquid lens | Variable optical attenuator | Fiber optics | CRYSTAL | MEMS | OPTICS | DIGITAL MICROMIRROR DEVICE
Journal Article
IEEE Microwave and Wireless Components Letters, ISSN 1531-1309, 06/2019, Volume 29, Issue 6, pp. 388 - 390
A dynamically tunable attenuator is proposed by integrating two graphene sandwich structures (GSSs) into a spoof surface plasmon polaritons (SSPPs) waveguide.... 
Attenuators | Surface impedance | spoof surface plasmon polaritons (SSPPs) | Surface waves | Graphene | tunable attenuator | Impedance | Mathematical model | Optical waveguides | waveguide | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X, 2010, Volume 7469
The paper approaches the optical choppers for two of their possible functions, i.e. attenuators and modulators. An overview of the different types of optical... 
Attenuator | Modulator | Optical design | Devices | Chopper | Attenuators | Choppers | Conferences | Nanocomposites | Modulation | Wheels | Nanostructure | Rotating | Modulators
Conference Proceeding
Optics Communications, ISSN 0030-4018, 05/2013, Volume 294, pp. 405 - 408
A plasmonic variable optical attenuator based on side-coupled single and double-teeth metal–dielectric–metal structure filled with an electro-optical material... 
Integrated optics devices | Variable optical attenuator | Plasmonic | WAVE-GUIDES | POLARITON PROPAGATION | PERFORMANCE | LIGHT | NANOSCALE | ACTUATORS | OPTICS | LIQUID-CRYSTAL
Journal Article
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