Journal Publications

  1. R. Dharmavarapu, A. Vijayakumar and S. Bhattacharya, "Design andfabricationof holographic optical elements for the generation of tilted and accelerating airy beams," Asian J. Phys. 24, 1363-1372 (2015).

  2. R. Dharmavarapu, S. Bhattacharya and S. Juodkazis, "Diffractive optics for axial intensity shaping of bessel beams," J. Opt 20, 085606 (2018).

  3. R. Dharmavarapu, S. Bhattacharya and S. Juodkazis, "GDoeSII: Software for design of diffractive optical elements and phase mask conversion to GDSII lithography files," SoftwareX 9, 126-131 (2019).

  4. R. Dharmavarapu, K.-I. Izumi, I. Katayama, S. Ng, J. Vongsvivut, M. J Tobin, Y. Nishijima, S. Bhattacharya, and S. Juodkazis, "Dielectric cross-shaped resonator based metasurface for vortex beam generation in mid-IR and THz wavelengths," Nanophotonics 8, 1263-1270 (2019).

  5. S. Pachava, R. Dharmavarapu, A. Vijayakumar, S. Jayakumar, A. Manthalkar, A. Dixit, N. K. Vishwanath, B. Srinivasan, and S. Bhattacharya, "Generation and decomposition of scalar and vector modes carrying orbital angular momentum - a review," Optical Engineering 59, 041205 (2020). (Equal contribution).

  6. R. Dharmavarapu, S. H. Ng, F. Eftekhari, S. Juodkazis, and S. Bhattacharya, "Metaoptics: Software for designing metasurface optical element GDSII layouts," Opt. Express 28, 3505-3516 (2020).

  7. V. Manikandan, I. Petrila, S. Vigneselvan, R. Dharmavarapu, S. Juodkazis, S. Kavita, and J. Chandrasekaran, "Efficient humidity-sensitive electrical response of annealed lithium substituted nickel ferrite (Li-NiFe2O4) nanoparticles under ideal, real and corrosive environments," J. Mat. Sci.: Materials in Electronics 29, 18660-18667 (2018.).

  8. V. Manikandan, I. Petrila, S. Vigneselvan, R. Mane, B. Vasile, R. Dharmavarapu, S. Lundgaard, S. Juodkazis, J. Chandrasekaran, "A reliable chemiresistive sensor of nickel-doped tin oxide (Ni-SnO2) for sensing carbon dioxide gas and humidity". RSC Adv. 10, 3796-3804 (2020).

Conference Presentations

  1. Raghu Dharmavarapu, Soon Hock Ng, Shanti Bhattacharya, Saulius Juodkazis, "Silicon-based metasurfaces for vortex beam generation," Proc. SPIE 11201, SPIE Micro + Nano Materials, Devices, and Applications 2019, 112011T (31 December 2019).

  2. Raghu Dharmavarapu, A Vijaykumar, Shanti Bhattacharya, "Composite axilensaxicon diffractive optical elements for generation of ring patterns with high focal depth," Optical Interconnects XVI. Vol. 9753. International Society for Optics and Photonics, San Fransisco, 2016.

  3. Raghu Dharmavarapu, Shanti Bhattacharya, Saulius Juodkazis, "Engineering the axial intensity of Bessel beams," In International Conference on Fibre Optics and Photonics (pp. W4F-4). Optical Society of America, IIT Kanpur, 2016.

  4. Raghu Dharmavarapu, Shanti Bhattacharya, Saulius Juodkazis, "Multi-level diffractive optical elements using NanoFrazor for Bessel beam generation," ANFF & AMMFR Research Showcase, Sydney, 2017. (Best PaperAward)

  5. Raghu Dharmavarapu, Shanti Bhattacharya, Saulius Juodkazis, "All-dielectric metasurface for wavefront control at terahertz frequencies," Nanophotonics Australasia 2017. Vol. 10456. International Society for Optics and Photonics, Melbourne, 2018.

  6. Raghu Dharmavarapu, Soon Hock Ng, Shanti Bhattacharya, Saulius Juodkazis, "Metasurface holograms for higher order Bessel beams with 0 - 1.17 phase coverage", In International Conference on Fibre Optics and Photonics, Optical Society of America, IIT Delhi, 2018.

  7. Raghu Dharmavarapu, Soon Hock Ng, Shanti Bhattacharya, Saulius Juodkazis, "MetaOptics: Software for designing Metasurface optical elements", International Conference on Optics & Electro-Optics XLIII, Optical Society of India, Dehradun 2019. (Best PaperAward)