Dr. Chengwu An Profile

Dr. Chengwu An

at Data Storage Institute

SPIE Involvement:

Author

Publications (25)

Proceedings Article | 3 June 2010 Paper

Near field optical transducer design with FePt recording media for multiple Tb/in2 density heat assisted magnetic recording

B. Xu, Y. Toh, C. Chia, J. Hu, G. Vienne, C. An, Y. Yosia, T. Chong

Proceedings Volume 7730, 77300N (2010) https://doi.org/10.1117/12.859097

KEYWORDS: Transducers, Near field optics, Magnetism, Near field, Optical simulations, Thermography, Gold, Optical design, Thin films, Optical testing

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Proceedings Article | 18 June 2004 Paper

Thermal analysis of packaging device with metal-coated fiber Bragg grating

Baoxi Xu, Wanxun He, Lungtat Ng, Mingyu Liu, Gaoqiang Yuan, Hongxing Yuan, Chengwu An, Towchong Chong

Proceedings Volume 5349, (2004) https://doi.org/10.1117/12.528688

KEYWORDS: Packaging, Fiber coatings, Fiber Bragg gratings, Temperature metrology, Metals, Instrument modeling, Thermal analysis, 3D modeling, Thermal modeling, Coating

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Proceedings Article | 17 October 2003 Paper

Formation of periodic structures on glass with laser irradiation

Ying Zi Peng, Cheng Wu An, Dong Jiang Wu, Ming Hui Hong, Yong Feng Lu, Tow Chong Chong

Proceedings Volume 4977, (2003) https://doi.org/10.1117/12.479847

KEYWORDS: Glasses, Polarization, Laser scanners, Gas lasers, Carbon monoxide, Light scattering, Acoustics, Scattering, Continuous wave operation, Dielectric polarization

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Proceedings Article | 13 September 2002 Paper

Laser microprocessing in microelectronics, data storage, and photonics

Yongfeng Lu, Wen Song, ZhongMin Ren, Chengwu An, DaMing Liu, Sumei Huang, Weijie Wang, Ming Hui Hong, Tow Chong Chong, B. Cho, JiNan Zeng, C. Tan

Proceedings Volume 4760, (2002) https://doi.org/10.1117/12.482088

KEYWORDS: Laser applications, Silicon, Laser processing, Plasma, Laser welding, Magnetism, Laser irradiation, Excimer lasers, Microelectronics, Photonics

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Proceedings Article | 12 September 2002 Paper

Laser creating precise three-dimensional image of object inside glass

Chengwu An, Kaidong Ye, Ming Hui Hong

Proceedings Volume 4915, (2002) https://doi.org/10.1117/12.482896

KEYWORDS: Glasses, Refraction, Optical spheres, 3D image processing, Solids, Refractive index, Laser processing, 3D acquisition, Laser drilling, Interfaces

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Proceedings Article | 12 September 2002 Paper

Grating fabrication with CW CO2 laser irradiation

Dongjiang Wu, Chengwu An, Ming Hui Hong, W. Wang, Yingzi Peng, Yongfeng Lu

Proceedings Volume 4915, (2002) https://doi.org/10.1117/12.482897

KEYWORDS: Glasses, Laser irradiation, Continuous wave operation, Gas lasers, Laser scanners, Carbon monoxide, Polarization, Laser processing, Laser applications, Dielectric polarization

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Proceedings Article | 18 June 2002 Paper

Laser applications in integrated circuit packaging

Yongfeng Lu, Wen Song, ZhongMin Ren, Chengwu An, Kaidong Ye, DaMing Liu, Weijie Wang, Ming Hui Hong, Tow Chong Chong

Proceedings Volume 4637, (2002) https://doi.org/10.1117/12.470667

KEYWORDS: Laser applications, Laser welding, Laser marking, Silicon, Plasma, Laser processing, Laser development, Laser ablation, Packaging, Disk lasers

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Proceedings Article | 25 February 2002 Paper

Laser singulation of IC packages

Chengwu An, Kaidong Ye, Yuan Yuan, Minghui Hong, Yongfeng Lu

Proceedings Volume 4426, (2002) https://doi.org/10.1117/12.456850

KEYWORDS: Laser cutting, Copper, Laser processing, Nd:YAG lasers, Absorption, Manufacturing, Epoxies, Glasses, Polymers, Laser irradiation

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Proceedings Article | 25 February 2002 Paper

Microstructures formed on silicon wafer by CO2 laser irradiation

Weijie Wang, Yongfeng Lu, Chengwu An, Minghui Hong

Proceedings Volume 4426, (2002) https://doi.org/10.1117/12.456859

KEYWORDS: Silicon, Semiconductor lasers, Absorption, Carbon dioxide lasers, Laser energy, Electrons, Semiconducting wafers, Thermal effects, Pulsed laser operation, Coating

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Proceedings Article | 25 February 2002 Paper

Laser marking on IC package by micro-encapsulated tapes

Kaidong Ye, Chengwu An, Yuan Yuan, Yongfeng Lu

Proceedings Volume 4426, (2002) https://doi.org/10.1117/12.456892

KEYWORDS: Laser marking, Pulsed laser operation, Laser irradiation, Laser damage threshold, Coating, Laser ablation, Ultraviolet radiation, Nd:YAG lasers, Laser systems engineering, Laser energy

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Proceedings Article | 25 February 2002 Paper

Observation of temporary degeneration of material transmittance under strong laser irradiation

Chengwu An, Kok Ler, Yuan Yuan, Yeow Goh, Minghui Hong, Yongfeng Lu

Proceedings Volume 4426, (2002) https://doi.org/10.1117/12.456862

KEYWORDS: Transmittance, Pulsed laser operation, Signal detection, Transparency, Positron emission tomography, Laser irradiation, Glasses, Laser damage threshold, Oscilloscopes, Optical components

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Proceedings Article | 28 September 2001 Paper

Wafer dicing by laser-induced thermal shock process

Kaidong Ye, Chengwu An, Ming Hui Hong, Yongfeng Lu

Proceedings Volume 4557, (2001) https://doi.org/10.1117/12.442940

KEYWORDS: Semiconducting wafers, Laser cutting, Silicon, Wafer dicing, Laser irradiation, Semiconductor lasers, Laser scanners, Pulsed laser operation, Laser processing, Mirrors

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Proceedings Article | 15 August 1998 Paper

Preparation of superconducting YBa2Cu3O7-x films on metallic substrates by pulsed-laser deposition

You-qing Wang, Biao Su, Xintang Huang, Qiulang Wang, Chengwu An, Yongchang Fan, Dongsheng Lu

Proceedings Volume 3550, (1998) https://doi.org/10.1117/12.317963

KEYWORDS: Superconductors, Thin films, Crystals, Thin film deposition, Scanning tunneling microscopy, Pulsed laser operation, X-ray diffraction, Resistance, Laser applications, Technetium

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Proceedings Article | 15 August 1998 Paper

Laser disk texturing with small bumps

Chengwu An, Yongfeng Lu, Yeow Goh, Weijie Wang

Proceedings Volume 3550, (1998) https://doi.org/10.1117/12.317949

KEYWORDS: Pulsed laser operation, Laser energy, Disk lasers, Laser sources, Atomic force microscopy, Optical components, Spindles, Q switched lasers, Phase modulation, Information operations

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Proceedings Article | 10 August 1998 Paper

New method for real-time monitoring of laser power and mode online

You-qing Wang, Chengwu An, Shuzhong Gao, Dongsheng Lu

Proceedings Volume 3558, (1998) https://doi.org/10.1117/12.318367

KEYWORDS: Sensors, Signal detection, Laser applications, Modes of laser operation, Carbon dioxide lasers, Laser processing, High power lasers, Mirrors, Optical testing, Calibration

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Proceedings Article | 20 February 1998 Paper

Spiral growth pattern of high-Tc superconducting thin films by laser deposition

Biao Su, Yongqing Wang, Chengwu An, Yongchang Fan, Jinglian Dai, Dongsheng Lu

Proceedings Volume 3175, (1998) https://doi.org/10.1117/12.300668

KEYWORDS: Superconductors, Thin films, Copper, Atomic force microscopy, Scanning tunneling microscopy, Visualization

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Proceedings Article | 20 February 1998 Paper

Pulsed laser scanning deposition of diamondlike thin films

You-qing Wang, Qiulang Wang, Chengwu An, Biao Su

Proceedings Volume 3175, (1998) https://doi.org/10.1117/12.300671

KEYWORDS: Laser scanners, Thin film deposition, Thin films

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Proceedings Article | 30 September 1996 Paper

Laser-induced permanent electrical conductivity in insulating metal-polymer composites

Harvey Phillips, Yunjun Li, Binglin Zhang, Chengwu An

Proceedings Volume 2888, (1996) https://doi.org/10.1117/12.253109

KEYWORDS: Composites, Polymers, Silver, Excimer lasers, Computer simulations, Monte Carlo methods, Metals, Transition metals, Absorption, Nd:YAG lasers

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Proceedings Article | 30 September 1996 Paper

Excimer laser crystallization of hydrogenated amorphous silicon

Yongbin Dai, Zhongyang Xu, Changan Wang, Shaoquiang Zhang, Chengwu An, Xingjiao Li, Xinheng Wan, Hui Ding

Proceedings Volume 2888, (1996) https://doi.org/10.1117/12.253126

KEYWORDS: Crystals, Laser irradiation, Hydrogen, Laser crystals, Oxygen, Excimer lasers, Scanning electron microscopy, Silicon, Amorphous silicon, Laser energy

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Proceedings Article | 30 September 1996 Paper

Preparation of a YBCO superconducting tape by pulsed laser deposition

Qiulang Wang, Chengwu An, You-qing Wang, Zaiguang Li

Proceedings Volume 2888, (1996) https://doi.org/10.1117/12.253125

KEYWORDS: Superconductors, Magnetism, Pulsed laser deposition, Thin films, Oxygen, X-ray diffraction, Temperature metrology, Ion beams, Tantalum, Laser energy

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Proceedings Article | 11 May 1993 Paper

Photostimulated aggregation of metallic fractal clusters

Vitaly Slabko, S. Karpov, V. Zaitsev, Zhenhua Guo, Alexander Popov, Zaiguang Li, Dongsheng Lu, Yongchang Fan, Chengwu An

Proceedings Volume 1979, (1993) https://doi.org/10.1117/12.144100

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Proceedings Article | 11 May 1993 Paper

Light-induced gas kinetics in the field of quasi-blackbody radiation

V. Arkhipkin, V. Apanovich, Alexander Popov, Zaiguang Li, Chengwu An, Yongchang Fan, Yi Sun, Jun Ai

Proceedings Volume 1979, (1993) https://doi.org/10.1117/12.144099

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Proceedings Article | 1 November 1991 Paper

In-situ low-temperature and epitaxial growth of high-Tc superconducting films using oxygen-discharge-assisted laser ablation method

Yongchang Fan, Chengwu An, Dongsheng Lu, Zaiguang Li

Proceedings Volume 1519, (1991) https://doi.org/10.1117/12.47238

KEYWORDS: Superconductors, Oxygen, Laser ablation, Excimer lasers, Technetium, Resistance, Thin films, Chemical species, X-ray diffraction, Plasma

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Proceedings Article | 1 November 1991 Paper

In-situ laser preparation of high-Tc superconducting thin film at 450-550 degree C

Chengwu An, Yongchang Fan, Dongsheng Lu, Zaiguang Li

Proceedings Volume 1519, (1991) https://doi.org/10.1117/12.47265

KEYWORDS: Oxygen, Superconductors, Thin films, Resistance, Laser ablation, Technetium, Temperature metrology, Excimer lasers, Zirconium dioxide, Oxides

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Proceedings Article | 1 November 1991 Paper

Luminescence studies in the process of preparation high-Tc superconducting films with excimer laser ablation

Yongchang Fan, Chengwu An, Dongsheng Lu, Zaiguang Li

Proceedings Volume 1519, (1991) https://doi.org/10.1117/12.47281

KEYWORDS: Plasma, Luminescence, Superconductors, Laser ablation, Atmospheric particles, Particles, Chemical species, Physics, Thin films, Spectroscopy

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Showing 5 of 25 publications

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