搜索结果: 1-15 共查到“光学工程 Slab”相关记录20条 . 查询时间(0.094 秒)
Ultracompact nonreciprocal optical isolator based on guided resonance in a magneto-optical photonic crystal slab
nonreciprocal optical isolator guided resonance magneto-optical photonic crystal slab
2011/8/10
We design an ultracompact optical isolator with normal incident geometry that operates with a bandwidth that is substantial for a device of this size. For operation in a telecommunication wavelength o...
High-Power,Low-Noise Slab-Coupled Optical Waveguide (SCOW) Amplifiers and Lasers
Semiconductor optical amplifiers Semiconductor lasers Mode-locked lasers
2011/5/22
We review the development of a Watt-level semiconductor quantum-well gain medium based on the slab-coupled optical waveguide (SCOW) concept. Devices realized in the 1.5-m-wavelength region inc...
High Efficiency Optical Switches with Heater-on-Slab (HoS) Structures
Couplers Switches Multiplexers Waveguides Slab
2011/5/21
We propose optical switches in which the heater is fabricated directly on the slab region of the rib waveguide. Two types of Heater-on-Slab (HoS) switches were investigated. In the first type, the sil...
High-Output Saturation Power Variable Confinement Slab- Coupled Optical Waveguide Amplifier
High-Output Saturation Power Variable Confinement Slab- Coupled Optical Waveguide Amplifier
2011/5/15
A variable optical confinement concept was incorporated into a slab-coupled optical waveguide amplifier to increase output saturation power. This amplifier demonstrates an unsaturated gain of 21.1 dB ...
Genetic algorithm for band gap optimization under light line in two-dimensional photonic crystal slab
two-dimensional photonic crystals
2011/5/10
An optimization algorithm is used to design a two-dimensional photonic crystal slab for large absolute band gaps under light line. In this procedure, the unit cell of the crystal is composed of a numb...
Sensitivity enhancement in photonic crystal slab biosensors
Photonic crystals Guided waves Biological sensing and sensors Optical diagnostics for medicine
2010/8/10
Refractive index sensitivity of guided resonances in photonic crystal slabs is analyzed. We show that modal properties of guided resonances strongly affect spectral sensitivity and quality factors, re...
Theoretical spectroscopic scan of the sensitivity of asymmetric slab waveguide sensors
slab waveguides optical sensors sensitivity
2010/6/29
An extensive theoretical analysis is carried out to investigate the variation of the sensitivity of
optical slab waveguide sensors with the wavelength of the guided wave. We consider a three-layer
w...
Guided modes in slab waveguides with both double-negative and single-negative materials
guided modes dispersion characteristic double-negative left-handed materials single-negative slab waveguide
2010/4/20
A new dielectric slab waveguide with double-negative (DNG) film layer and single-negative
(SNG) cover layer is proposed. The dispersion relations of an asymmetric left-handed materials
(LHM) slab wa...
Slab-Shaped 10-kW All-Solid-State Laser
All solid-state laser Slab, Diode-pumped High power
2009/6/12
This paper describes the development of diode-pumped high-power slab Nd:YAG lasers. Employing the laser diode pumping method, we realized a highly -efficient, high-power zigzag-slab laser with a small...
Laser Plastic Coloring Method Using a Slab CO2 Laser
Laser plastic coloring method Slab RF excited CO2 laser Artistic laser processing
2009/6/8
A laser plastic coloring (LPC) method has been newly developed as an innovative coloring method for plastic materials using a CO2 laser system. Irradiating laser beam to water diluted dye, the dye sol...
Gas Temperature Analysis of Laser Gain Medium in a Slab-type Radio-frequency-discharge-excited CO2 Laser
DFB laser Absorption spectroscopy CO2 absorption lines
2009/6/1
An optical method of temperature measurement to analyze CO2 laser active medium based on near-infrared absorption spectroscopy with a 1.6-µm distributed-feedback (DFB) semi- conductor laser is d...
Genetic algorithm for band gap optimization under light line in two-dimensional photonic crystal slab
two-dimensional photonic crystals
2009/3/10
An optimization algorithm is used to design a two-dimensional photonic crystal slab for large absolute band gaps under light line. In this procedure, the unit cell of the crystal is composed of a numb...
Anisotropic Left-Handed and μ-Negative Slab Waveguides: Physics and Device Applications
Hamidreza Salehi Sujeet K. Chaudhuri Raafat R. Mansour
2008/10/29
We study the properties of various anisotropic left-handed slab waveguides. The analysis is extended to anisotropic μ-negative slab waveguides. The possible existence of the plasmon modes in various a...
Theoretical investigation of compact couplers between dielectric slab waveguides and two-dimensional metal-dielectric-metal plasmonic waveguides
Guided waves Surface plasmons Integrated optics devices
2007/8/11
We theoretically investigate the properties of compact couplers between high-index contrast dielectric slab waveguides and twodimensional metal-dielectric-metal subwavelength plasmonic waveguides.We s...
Spatial coherence of the thermal electromagnetic field in the vicinity of a dielectric slab
Spatial coherence thermal electromagnetic vicinity dielectric slab
2007/8/11
We present the analytic calculation of the cross-spectral density tensor of a thermally radiative planar dielectric slab in extreme near-field, intermediate near-field, and far-field...