A single fixed optic is combined with the sample translation capabilities inherent to most microscopes to achieve precise polarization-dependent second harmonic generation microscopy measurements of thin tissue sections. Although polarization measurements have enabled detailed structural analysis of collagen, challenges in integrating rotation stages or fast electro-optic/photoelastic modulation have complicated the retrofitting of existing systems for precise polarization analysis. Placing a static microretarder array in the rear conjugate plane resulted in spatially encoded polarization modulation across the field of view. A complete set of polarization rotation measurements was acquired at each pixel by sample translation, recovering local-frame tensors relating to structure within collagenous tissue. (c) 2018 Optical Society of America
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Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R ChinaNatl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China
Hu Si-Yang
Shen Man-Ling
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Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China
State Key Lab Pulsed Power Laser Technol, Changsha 410073, Peoples R China
Hunan Prov Key Lab High Energy Laser Technol, Changsha 410073, Peoples R ChinaNatl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China
Shen Man-Ling
Zhang Chen-Xi
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Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R ChinaNatl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China
Zhang Chen-Xi
Cheng Xiang-Ai
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Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China
State Key Lab Pulsed Power Laser Technol, Changsha 410073, Peoples R China
Hunan Prov Key Lab High Energy Laser Technol, Changsha 410073, Peoples R ChinaNatl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China
Cheng Xiang-Ai
Jiang Tian
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State Key Lab Pulsed Power Laser Technol, Changsha 410073, Peoples R ChinaNatl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China