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Ravi S. Verma
at Raja Ramanna Ctr for Advanced Technology
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Author
Publications (5)
Proceedings Article | 26 April 2018 Paper
Opto electronic tweezers based smart sweeper for cells/micro-particles sorting
R. Verma, N. Kumar
Proceedings Volume 10716, 1071613 (2018) https://doi.org/10.1117/12.2317744
KEYWORDS: Optical sorting, Optical tweezers, Dielectrophoresis, Optoelectronics, Electrodes, Microelectromechanical systems, Glasses, Blood, Video, Mirrors, Objectives
SPIE Journal Paper | 14 August 2014 Open Access
Polarized Raman spectroscopic investigations on hemoglobin ordering in red blood cells
Sunita Ahlawat, Aniket Chowdhury, Nitin Kumar, Abha Uppal, Ravi Shanker Verma, Pradeep Kumar Gupta
JBO, Vol. 19, Issue 08, 087002, (August 2014) https://doi.org/10.1117/12.10.1117/1.JBO.19.8.087002
KEYWORDS: Raman spectroscopy, Polarization, Molecules, Spectroscopy, Blood, Light scattering, Oxygen, Optical tweezers, Proteins, Spatial light modulators
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SPIE Journal Paper | 1 July 2011 Open Access
Studies on erythrocytes in malaria infected blood sample with Raman optical tweezers
Raktim Dasgupta, Ravi Verma, Sunita Ahlawat, Abha Uppal, Pradeep Gupta
JBO, Vol. 16, Issue 07, 077009, (July 2011) https://doi.org/10.1117/12.10.1117/1.3600011
KEYWORDS: Raman spectroscopy, Blood, Optical tweezers, Signal to noise ratio, Oxygen, Spectroscopy, Glasses, Linear filtering, CCD cameras, Biomedical optics
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SPIE Journal Paper | 1 November 2010 Open Access
Optical trapping of spermatozoa using Laguerre-Gaussian laser modes
Raktim Dasgupta, Sunita Ahlawat, Ravi Verma, Sunita Shukla, Pradeep Gupta
JBO, Vol. 15, Issue 06, 065010, (November 2010) https://doi.org/10.1117/12.10.1117/1.3526362
KEYWORDS: Continuous wave operation, Transmission electron microscopy, Absorption, Optical tweezers, Luminescence, Modes of laser operation, Adaptive optics, Spatial light modulators, Laser applications, Objectives
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SPIE Journal Paper | 1 September 2010 Open Access
Hemoglobin degradation in human erythrocytes with long-duration near-infrared laser exposure in Raman optical tweezers
Raktim Dasgupta, Sunita Ahlawat, Ravi Verma, Abha Uppal, Pradeep Gupta
JBO, Vol. 15, Issue 05, 055009, (September 2010) https://doi.org/10.1117/12.10.1117/1.3497048
KEYWORDS: Raman spectroscopy, Optical tweezers, Blood, Absorption, Near infrared, Proteins, Iron, Laser applications, Linear filtering, Spectroscopy
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