Dr. Ligang Fei Profile

Dr. Ligang Fei

at Tsinghua Univ

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Author

Publications (3)

SPIE Journal Paper | 1 November 2006

Orthogonally polarized optical feedback in lasers

Shulian Zhang, Ligang Fei

OE Vol. 45 Issue 11

KEYWORDS: Polarization, Modulation, Laser optics, Phase shift keying, Ferroelectric materials, Nd:YAG lasers, Neon, Anisotropy, Optical engineering, Polarizers

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SPIE Journal Paper | 1 October 2005

Influence of optical feedback on the longitudinal mode stability of microchip Nd:YAG lasers

Xinjun Wan, Shulian Zhang, Gang Liu, Ligang Fei

OE Vol. 44 Issue 10

KEYWORDS: Polarization, Nd:YAG lasers, Modulation, Interferometers, Ferroelectric materials, Mirrors, Reflectivity, Laser optics, Optical engineering, Semiconductor lasers

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Proceedings Article | 14 February 2005 Paper

Displacement measurement based on polarization hopping of laser with optical feedback

Ligang Fei, Shulian Zhang, Xinjun Wan

Proc. SPIE. 5634, Advanced Sensor Systems and Applications II

KEYWORDS: Mirrors, Ferroelectric materials, Modulation, Polarization, Birefringence, Sensors, Reflectivity, Wave plates, Helium neon lasers, Laser optics

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