Smartphone Based Platform for Colorimetric Sensing of Dyes

  • Sibasish Dutta
  • Pabitra Nath
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 166)


We demonstrate the working of a smartphone based optical sensor for measuring absorption band of coloured dyes. By integration of simple laboratory optical components with the camera unit of the smartphone we have converted it into a visible spectrometer with a pixel resolution of 0.345 nm/pixel. Light from a broadband optical source is allowed to transmit through a specific dye solution. The transmitted light signal is captured by the camera of the smartphone. The present sensor is inexpensive, portable and light weight making it an ideal handy sensor suitable for different on-field sensing.


Malachite Green CMOS Image Sensor Sunset Yellow Broadband Light Source Collimate Light Beam 
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Copyright information

© Springer India 2015

Authors and Affiliations

  1. 1.Applied Photonics and Nanophotonics Laboratory, Department of PhysicsTezpur UniversityNapaamIndia

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