Prof. Long-fa Pan Profile

Prof. Long-fa Pan

at Tsinghua Univ

SPIE Involvement:

Author

Publications (69)

SPIE Journal Paper | 28 April 2014

Fabrication method of low f-number microlens arrays by using surface coating and epoxy dispensing technology

Pei Li, Jing Pei, Long-fa Pan, Hans Zappe

JM3, Vol. 13, Issue 02, 023004, (April 2014) https://doi.org/10.1117/12.10.1117/1.JMM.13.2.023004

KEYWORDS: Microlens, Microlens array, Epoxies, Coating, Optical fabrication, Liquids, Glasses, Image processing, Lithium, Optical testing

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Proceedings Article | 24 January 2013 Paper

Jitter measurement method for multi-level disc based on quadratic interpolation algorithm

Junhua Hu, Jing Pei, Longfa Pan

Proceedings Volume 8782, 87820X (2013) https://doi.org/10.1117/12.2014726

KEYWORDS: Error analysis, Clocks, Optical discs, Quantization, Digital video discs, Dysprosium, Optical storage, Modulation, Edge detection, Detection and tracking algorithms

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Proceedings Article | 24 January 2013 Paper

Micro lens actuator and polymer objective lens for optical pickup

Pei Li, Longfa Pan, Hans Zappe

Proceedings Volume 8782, 87820W (2013) https://doi.org/10.1117/12.2014720

KEYWORDS: Actuators, Polymers, Objectives, Silicon, Microlens, Semiconducting wafers, Polymeric actuators, Glasses, Integrated optics, Microelectromechanical systems

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Proceedings Article | 24 January 2013 Paper

Multi-level recordable disc using signal waveform modulation recording method

Jing Pei, Longfa Pan, Bo Yang, Junhua Hu

Proceedings Volume 8782, 878203 (2013) https://doi.org/10.1117/12.2014828

KEYWORDS: Digital video discs, Combustion, Modulation, Signal processing, Clocks, Data hiding, Computer programming, Eye, Optical storage, Optical discs

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Proceedings Article | 24 January 2013 Paper

Adaptive signal quality evaluation for signal waveform modulation multi-level disc

Hequn Wang, Jing Pei, Longfa Pan, Junhua Hu

Proceedings Volume 8782, 87820V (2013) https://doi.org/10.1117/12.2014719

KEYWORDS: Modulation, Bismuth, Signal detection, Optical storage, Optical discs, Optical engineering, Evolutionary algorithms, Data storage, Gallium nitride, Current controlled current source

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Proceedings Article | 3 June 2010 Paper

New developments of the signal waveform modulation optical disc

Hailong Liu, Jing Pei, Longfa Pan, Yi Ni

Proceedings Volume 7730, 77301R (2010) https://doi.org/10.1117/12.859116

KEYWORDS: Modulation, Optical discs, Signal processing, Atomic force microscopy, Optical storage, Image compression, Remote sensing, Image storage, 3D image processing

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Proceedings Article | 3 June 2010 Paper

Improved readout system for multilevel signal waveform modulation read-only disc

Hequn Wang, Haizheng Xu, Jing Pei, Longfa Pan

Proceedings Volume 7730, 77301Q (2010) https://doi.org/10.1117/12.859096

KEYWORDS: Servomechanisms, Signal detection, Sensors, Analog electronics, Signal processing, Digital video discs, Modulation, Digital signal processing, Field programmable gate arrays, Actuators

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Proceedings Article | 20 March 2009 Paper

Designing a new multilevel run-length limited modulation code

Xiangwei Liu, Jing Pei, Longfa Pan, Hailong Liu

Proceedings Volume 7125, 712525 (2009) https://doi.org/10.1117/12.822634

KEYWORDS: Modulation, Digital video discs, Optical storage, Data storage, Signal to noise ratio, Signal processing, Optical engineering, Optical recording, 3D optical data storage, Optical discs

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Proceedings Article | 20 March 2009 Paper

Theory and practice of multilevel method in high-definition discs

Jing Pei, Lihua Li, Haizheng Xu, Longfa Pan

Proceedings Volume 7125, 712503 (2009) https://doi.org/10.1117/12.822643

KEYWORDS: Digital video discs, Modulation, Signal to noise ratio, Signal detection, Optical storage, Servomechanisms, Control systems, Data storage, Error analysis, Interference (communication)

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Proceedings Article | 20 March 2009 Paper

Influence of servo error on the readout signal for a multi-level DVD using waveform modulation

Yi Tang, Jing Pei, Longfa Pan, Haizheng Xu, Mingming Yan

Proceedings Volume 7125, 712507 (2009) https://doi.org/10.1117/12.822637

KEYWORDS: Servomechanisms, Digital video discs, Modulation, Optical discs, Error analysis, Device simulation, Optical storage, Numerical simulations, Data storage, Signal detection

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