1. Chandra Shakher

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    1. Mentioned In 5 Articles

    2. Transmission Mode Full-Field Swept-Source Optical Coherence Tomography for Simultaneous Amplitude and Quantitative Phase Imaging of Transparent Objects

      Transmission Mode Full-Field Swept-Source Optical Coherence Tomography for Simultaneous Amplitude and Quantitative Phase Imaging of Transparent Objects
      A transmission mode full-field swept-source optical coherence tomographic system is demonstrated for simultaneous amplitude and quantitative phase imaging of transparent objects. The experimental setup consists of a swept-source system, fiber-optic Mach–Zehnder interferometer, and an area detector. By means of sweeping the wavelength of light source, multiple interefrograms were recorded and both amplitude as well as phase images of the multilayer object and onion skin were reconstructed. The main advantages ...
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    3. Simultaneous tomography and topography of silicon integrated circuits using full-fieldswept-source optical coherence tomography

      Abstract. We demonstrate simultaneous tomography and topography of micro-electro-mechanical systems based on silicon integrated circuits using full-field swept-source optical coherence tomography. The optical set-up consists of a swept-source system, a compact Michelson interferometer, and an area detector. The swept-source system comprises a superluminescent diode as a broadband light source in conjunction with an acousto-optic tunable filter as a fast frequency tuning device. By means of sweeping the frequency of the ...
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  2. About Chandra Shakher

    Chandra Shakher

    Dr. Chandra Shaker is a Professor at IIT Delhi and and Fellow, Indian National Academy of Engineering Instrument Design Development Centre, Indian Institute of Technology, Delhi  Hauz Khash, New Delhi-110016, India