Yi Zhang
Boston University
Visible spectrumOpticsFar-infrared laserMicroscopyInfrared spectroscopyInfraredPhotothermal therapyChemistryMaterials scienceDynamic imagingPhotothermal effectDigitizationPhotobleachingOptoelectronicsNanosecondAbsorption (electromagnetic radiation)Chemical imagingMicroscopeResolution (electron density)Fluorescence
4Publications
0Citations
Publications 4
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#1Yi Zhang (BU: Boston University)
#1Yi Zhang (BU: Boston University)H-Index: 4
Last. Ji-Xin ChengH-Index: 83
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Mid-infrared photothermal microscopy is a new chemical imaging technology in which a visible beam senses the photothermal effect induced by a pulsed infrared laser. This technology provides infrared spectroscopic information at submicrometer spatial resolution and enables infrared spectroscopy and imaging of living cells and organisms. Yet, current mid-infrared photothermal imaging sensitivity suffers from a weak dependence of scattering on the temperature, and the image quality is vulnerable to...
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#1Yi ZhangH-Index: 4
Last. Ji-Xin Cheng (BU: Boston University)H-Index: 83
view all 7 authors...
Mid-infrared photothermal microscopy is a new chemical imaging technology in which a visible beam senses the photothermal effect induced by a pulsed infrared laser. This technology provides infrared spectroscopic information at sub-micron spatial resolution and enables infrared spectroscopy and imaging of living cells and organisms. Yet, current mid-infrared photothermal imaging sensitivity suffers from a weak dependance of scattering on temperature and the image quality is vulnerable to the spe...
#1Yi Zhang (BU: Boston University)
#1Yi Zhang (BU: Boston University)H-Index: 4
Last. Ji-Xin Cheng (BU: Boston University)H-Index: 83
view all 5 authors...
Mid-infrared photothermal (MIP) imaging is an emerging technique where a visible beam is deployed to sense the photothermal lensing effect induced by infrared absorption of molecules. This technology provides sub-micron spatial resolution defined by the visible probe beam. Yet, the photothermal lensing effect is a weak effect for most materials. For instance, the diffraction coefficient of poly (methyl methacrylate) changes around 0.1% per Kelvin. Thus, highly sensitive probes are desired to imp...
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