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Engineers working to miniaturize optical systems for modern electronics have seen great success when it comes to the most familiar components, the lenses and optical sensors. It’s been more challengin...
Optical instruments are addressing an ever-increasing number of industrial and research applications: imaging and vision, defense, space, telecommunications, transportation, industrial process control...
2017 SPIE 新型光学系统设计与优化 专题会议（Novel Optical Systems Design and Optimization XX）
2017 SPIE 新型 光学系统 设计 优化 专题会议
2017/4/25
Conference Sessions:1: Exotic and Unconventional Optics and Systems Optical Engineering Plenary Session Lens Design Technical Event Optomechanical/Instrument Technical Group Event ;2: Multi- and Hyper...
2017SPIE新型光学系统设计与优化专题会议（Novel Optical Systems Design and Optimization XX）
2017 SPIE新型光学系统设计与优化 专题会议
2017/4/24
2017SPIE新型光学系统设计与优化专题会议（Novel Optical Systems Design and Optimization XX）。
FPGA Verification of a Single QC-LDPC Code for 100 Gb/s Optical Systems without Error Floor down to BER of 10 -15
Fiber optics communications Optical communications
2015/5/25
We present FPGA-based emulation results of a single QC-LDPC code with 20% redundancy designed for applications in 100 Gb/s optical transmission systems. Error floor-free transmission can be achieved a...
DESIGN STEPS TO TEMPERATURE AND PRESSURE INSENSITIVE OPTICAL SYSTEMS FOR DIGITAL AERIAL IMAGING
Optical System Design Athermalization Digital Aerial Imaging
2014/6/12
Imaging from air has evolved from film cameras to digital cameras over the last years. Here we give the design steps of an aerial objective lens for a given CCD sensor. Matching to the pixel pitch of ...
A Digital Subcarrier Multiplexing Technique for Increased Spectral Efficiency in Optical Systems Using Direct Detection
Fiber optics optical communications Modulation Multiplexing
2015/6/8
We propose a novel technique that allows direct detection of multicarrier signals without using DSP at the receiver. Performance at 55.5 Gb/s, back-to-back and after 1040 km of dispersion uncompensate...
Pseudo-Newton based Equalization Algorithms for QAM Coherent Optical Systems
Coherent communications Optical communications
2015/6/8
In 112Gbit/s optical coherent transmission context, we propose decision-directed and blind adaptive equalizers using variable step size suitable for 16-QAM. The considered algorithms offer better stea...
PMD Monitoring in Traffic-carrying Optical Systems
PMD Monitoring Traffic-carrying Optical Systems
2015/8/3
DGD was monitored in in-service terrestrial optical fiber systems for the first time without the requirement of looping-back. The relationship between the measured DGD and the actual fiber PMD paramet...