Shruti De

MTech, University of Calcutta

Shruti De.jpg

Mid-infrared tunable laser-based trace gas sensing for ambient air quality monitoring

Shruti De's research interest focuses especially on photoacoustic absorption spectroscopy for microbiological growth studies. She obtained her MTech degree in Optics and Optoelectronics from the University of Calcutta. Her MTech thesis focussed on the development of a device that can measure the refractive index of a liquid sample quickly using lateral shift dependent light transmission mask with great accuracy. The work resulted in a patent. She authored a conference paper entitled "Refractive Index Measurements of Liquids Using Moiré Pattern".

 

Apart from spending time on her research, she enjoys playing guitar, singing songs and classical dance.

Patents

  1. S De, K Bhattacharya, “Refractometer using lateral shift dependent light transmission mask.”, Indian Patent Office, Provisional Patent Application No.: 201931052014, date of filing 16 Dec 2019

Journal papers

  1. S De, Ramya S, K T V Grattan and A L Chakraborty, “Four-fold lowering of the detection limit using the 𝑅1𝑓 /Δ𝐼1 WMS technique compared to 2f WMS”, to be submitted

Conference papers

  1. D Paul, S De and A L Chakraborty, ”Fully automated, real-time monitoring of ambient water vapour using a compact 1392 nm tunable diode laser-based system”, IEEE Applied Sensing Conference (APSCON 2023), 23-25 Jan, 2023, Bengaluru

  2. D Paul, S De, K T V Grattan and A L Chakraborty, "A compact tunable diode laser-based system for continuous monitoring of ambient water vapour”, Live Demo Zone, IEEE Applied Sensing Conference (APSCON 2023), 23-25 Jan, 2023, Bengaluru

  3. S De, D Paul and A L Chakraborty, “A field-deployable R1f /ΔI1 wavelength modulation spectroscopy system for automated high time-resolution trace gas sensing", National Laser Symposium (NLS-31), 3-6 Dec 2022, IIT Kharagpur, India

  4. S De, D Paul, K T V Grattan and A L Chakraborty, “Compact and portable near-IR and mid-IR wavelength modulation spectroscopy systems for real-time measurements of water vapour and carbon dioxide”, XLV Symposium of the Optical Society of India, Conference on Optics, Photonics & Quantum Optics (COPaQ 2022), 10-13 Nov, 2022, IIT Roorkee

  5. S De, D Paul, K T V Grattan and A L Chakraborty, "Trace gas sensing using the R1f /ΔI1 wavelength modulation spectroscopy technique", Field Laser Applications in Industry and Research (FLAIR 2022), 12-16 Sep 2022, Aix Les Bains, France

  6. S De, Ramya S and A L Chakraborty, "Measurement of the mole fraction of acetylene at locations up to 5 km away from a fiber-coupled wavelength modulated 1531.52 nm tunable laser diode", 44th OSI Symposium on Frontiers in Optics and Photonics 2021, (FOP21), 24-27 Sep, 2021, IIT Delhi

  7. ​S  De, J  Chatterjee, S  Chakraborty, and K  Palodhi. "Refractive Index Measurements of Liquids Using Moiré Pattern." In Progress in Optomechatronics, pp. 157-163. Springer, Goa, ISOT 2020