搜索结果: 1-15 共查到“光学工程 low-cost”相关记录24条 . 查询时间(0.031 秒)
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
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
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 ...
40 Gb/s Carrierless Amplitude and Phase Modulation for Low-Cost Optical Datacommunication Links
Fiber optics communications Modulation
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
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...
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
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...
Tuning Methods for Uncooled Low-Cost Tunable Lasers in WDM-PON
Tuning Methods Uncooled Low-Cost Tunable Lasers WDM-PON
2015/5/18
This paper investigates tuning of uncooled low-cost lasers without an integrated wave locker via a shared, centralized wave locker in a WDM-PON context.
We demonstrated 10.7 Gb/s REAM-SOA using simplified fabrication process. Good performance at 10.7 Gb/s was obtained with an extinction ratio of > 9 dB and a power penalty of <1 dB up to 20 km transmis...
Demonstration of Low-Cost Uplink Transmission in a Coherent OCDMA PON Using Gain-Switched Fabry–Perot Lasers With External Injection
Fabry–Perot (FP) laser gain-switching optical code-division multiple access (OCDMA) passive optical network (PON)
2016/12/2
We propose and demonstrate a simple and low-cost uplink transmission scheme for coherent optical code-division multiple access (OCDMA) passive optical networks (PONs), using gain-switched Fabry-Perot ...
10 Gbit/s over 25 m Plastic Optical Fiber as a way for extremely low-cost optical interconnection
Fiber optics communications Optical interconnects
2015/6/9
In this paper we demonstrate for the first time that large diameter (½ to 1 mm) step index POF can be used for 10 Gbit/s transmission over up to 25 m with very low-cost components and DMT modulat...
Low-cost and High-capacity Short-range Optical Interconnects using Graded-Index Plastic Optical Fiber
Fiber optics communications Polymers
2015/6/4
We demonstrate a transmission rate of 51.8 Gb/s over 100-meters of perfluorinated multimode graded-index plastic optical fiber using discrete multitone modulation. The results prove suitability of pla...
Novel 107 Gb/s Bias-Feeding Photodetector OEIC for Efficient Low-Cost Photoreceiver Co-Packaging
Bias-Feeding Photodetector OEIC Efficient Low-Cost Photoreceiver
2015/7/20
A novel bias-feeding photodetector is presented, suitable for dc-coupling with post-amplifiers or DEMUX-ICs, thus greatly reducing the RF coupling losses into subsequent electronics. The receiver modu...
Low Cost Multi-Impairment Monitoring Technique for 43 Gbps DPSK and 86 Gbps DP-DPSK Using Delay Tap Asynchronous Sampling Method
Multi-Impairment Monitoring Technique DPSK DP-DPSK
2015/7/17
We present a novel low cost method of multi-impairment monitoring for 43 Gbps DPSK using delay tap asynchronous sampling with 12 GHz receivers. This technique is also demonstrated for 86 Gbps DP-DPSK ...
2.5 Gbps Operation of RSOA for Low Cost WDM-PON Sources
Operation RSOA Cost WDM-PON Sources
2015/7/17
We present design issue of RSOA and report fabricated-device/packaged-module characteristics for WDM-PON. Optical gain, 3dB ASE bandwidth and polarization dependent gain were about 25 dB, 35 nm and le...
Precise Low-Cost Optical Time Multiplexer based on the Birefringence of Polarization Maintaining Fibers
Optical Time Multiplexer Birefringence Polarization Maintaining Fibers
2015/7/16
A novel scheme of optical time multiplexer is presented, based on the high birefringence of polarization maintaining fiber. The scheme is highly precise, and its fiber-only construction reduces the mu...