搜索结果: 1-15 共查到“光学工程 Cost”相关记录53条 . 查询时间(0.14 秒)
MIT engineers develop a low-cost terahertz camera（图）
低成本 太赫兹相机 工业检查 机场安全 通信
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2023/6/7
Terahertz radiation, whose wavelengths lie between those of microwaves and visible light, can penetrate many nonmetallic materials and detect signatures of certain molecules. These handy qualities cou...
LOW-COST 3D DEVICES AND LASER SCANNERS COMPARISON FOR THE APPLICATION IN ORTHOPEDIC CENTRES
Low-cost 3D sensors Biomedical applications 3D Metrology Resolution Systematic error
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2018/6/4
Low-cost 3D sensors are nowadays widely diffused and many different solutions are available on the market. Some of these devices were developed for entertaining purposes, but are used also for acquisi...
Potentials of small, lightweight and low cost Multi-Echo Laser Scanners for detecting Grape Berries
Laser scanning low-cost, lightweight multi-echo segmentation grape berries
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2014/7/30
Mobile sensor devices offer great opportunities for automatic scene analysis and object recognition. Nowadays a new generation of ranging devices is available, like laser scanners which are small and ...
Improved SPM Tolerance and Cost-Effective Phase-Modulation Duobinary Transmission over 230 km Standard Single-Mode Fiber Using a Single Mach-Zehnder Modulator
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2011/11/23
This letter proposes and experimentally demonstrates a cost-effective phase-modulation duobinary modulation scheme for improving self-phase modulation tolerance using a single modulator. Successful tr...
Cost-Effective Multi-Services Hybrid Access Networks with no Optical Filter at Remote Nodes
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2011/11/22
This letter experimentally demonstrates a multiservices hybrid access network integrated radio-over-fiber and fiber-to-the-home systems which share the same distributed architecture. A 1.25-Gb/s baseb...
Design Green and Cost-Effective Translucent Optical Networks
Networks combinatorial network design Signal regeneration
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2015/5/26
We report a network design algorithm to effectively reduce the cost and power consumption of translucent networks by using all-optical 2R regenerators. Simulation results show that the number of O/E/O...
Cost-effective On-board Optical Interconnection using Waveguide Sheet with Flexible Printed Circuit Optical Engine
optical interconnects optics in computing
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2015/5/25
We have developed a cost-effective on-board optical interconnection sheet using a polymer waveguide with flexible printed circuit optical engines. Error-free operation up to 14 Gb/s was demonstrated u...
Cost-efficiency of mixed 10-40-100Gb/s networks and elastic optical networks
Optical communications Networks network optimization
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2015/5/25
We compare the cost-efficiency of optical networks based on mixed datarates (10, 40,100Gb/s) and elastic technologies. We show elastic network bring up to 37% lower cost, in particular for high loads ...
40 Gb/s Carrierless Amplitude and Phase Modulation for Low-Cost Optical Datacommunication Links
Fiber optics communications Modulation
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2015/5/22
4 bps/Hz 40 Gb/s carrierless amplitude and phase (CAP) modulation is investigated for next-generation datacommunication links. The 40 Gb/s link achieves double the length of a conventional NRZ scheme,...
Compact and low-cost optical interconnection employing novel small multi-fiber optical connectors
Fiber optics components Subsystem integration techniques
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2015/5/22
We describe a novel small multi-fiber connector and its applications to high-density and low-cost interconnection for optical network systems, including an optical backplane combined with an optical f...
A Cost-effective Pilot-Tone-based Monitoring Technique for Power Saving in RSOA-based WDM-PON
Cost-effective Pilot-Tone-based Monitoring Technique Power Saving RSOA-based WDM-PON
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2015/5/21
We propose and experimentally demonstrate a simple and novel monitoring technique with the modulation of RSOA’s ASE by the pilot-tone monitoring signal at the ONU, to provide power saving in RSOA-base...
Cost-Effective and Power-Efficient Extended-Reach WDM/TDM PON Systems
Cost-Effective Power-Efficient Extended-Reach WDM/TDM PON Systems
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2015/5/21
We propose a remote channel combine/split module for extended-reach WDM/TDM PON systems to significantly reduce initial investment with saving up to 60% and achieve good power efficiency when fully lo...
First Experimental Demonstration of Low-Cost VCSEL- Intensity Modulated End-to-End Real-Time Optical OFDM Signal Transmission at 11.25Gb/s over 25km SSMFs
VCSEL Intensity Modulated OFDM Signal Transmission
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2015/5/20
Low-cost, narrow modulation bandwidth, un-cooled VCSELs can be utilized to directly modulate 64-QAM-encoded 11.25Gb/s signals for end-to-end real-time optical OFDM transmission over 25km SSMF IMDD sys...
2.1-Tb/s·km OFDM Long-Reach PON Transmission using a Cost-Effective Electro-Absorption Modulator
2.1-Tb/s·km OFDM Long-Reach PON Transmission Cost-Effective Electro Absorption Modulator
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2015/5/20
We experimentally demonstrate a superior performance of 2.1-Tb/s·km OFDM-signal transmission over 100-km long-reach PONs, which is achieved by using an EAM and direct-detection, and adopting the 128-Q...
Experimental Demonstration of a Cost-Effective Broadcast Overlay for a Commercial WDM PON
Commercial WDM PON Cost-Effective Broadcast Experimental Demonstration
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2015/5/18
We demonstrate a simple cost-effective broadcast overlay for WDM PON which uses a single directly modulated superluminescent diode to deliver an RF video or baseband gigabit-Ethernet service to all 32...