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Sanjiv Kumar Tiwari
at Raja Ramanna Ctr for Advanced Technology
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Publications (3)
SPIE Journal Paper | 2 May 2024
Development of a pyramidal magneto-optical trap for pressure sensing application
Subhajit Supakar, Vivek Singh, Yeddanapudi Pavan Kumar, Sanjiv Kumar Tiwari, Chandrachur Mukherjee, Mangalore Pandurang Kamath, Vibhuti Bhushan Tiwari, Satya Mishra
OE, Vol. 63, Issue 05, 054103, (May 2024) https://doi.org/10.1117/12.10.1117/1.OE.63.5.054103
KEYWORDS: Chemical species, Rubidium, Mirrors, Vacuum chambers, Quantum numbers, Magnetooptics, Electrooptic modulation, Prisms, Glasses, Mirror surfaces
SPIE Journal Paper | 24 November 2015
Generation and focusing of a collimated hollow beam
Sanjiv Kumar Tiwari, Surjya Prakash Ram, Kavya Rao, Satya Mishra, Haridarshan Rawat
OE, Vol. 54, Issue 11, 115111, (November 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.11.115111
KEYWORDS: Spherical lenses, Axicons, Bessel beams, Mirrors, Collimation, Charge-coupled devices, Beam propagation method, Laser applications, CCD cameras, Optical engineering
SPIE Journal Paper | 1 January 2011
Generation of a variable-diameter collimated hollow laser beam using metal axicon mirrors
Sanjiv Tiwari, Satya Mishra, Suriya Ram
OE, Vol. 50, Issue 01, 014001, (January 2011) https://doi.org/10.1117/12.10.1117/1.3530080
KEYWORDS: Mirrors, Axicons, Collimation, Metals, Bessel beams, Charge-coupled devices, CCD image sensors, Optical engineering, Reflectivity, CCD cameras
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