WELCOME TO CSIR-NATIONAL PHYSICAL LABORATORY
The National Metrology Institute of India and A Premier Research Laboratory in the Field of Physical Sciences
santa@nplindia.org

Dr. (Mrs) Santa Chawla
Designation:
Senior Principal Scientist
Department:
Materials Physics and Engineering
Email address:
abc..@nplindia.org
santa
Brief Biodata:
  • DP/DU No.:

    4.1 Electronic Materials/LMD

    Current position and Address :

    Luminescent Materials & Devices Group

  • Educational Qualifications:
  • DegreeSubjectUniversity/InstituteYear

    B.Sc

    Physics (Honours) Chemistry
    Mathematics

    University of North Bengal

    1974

    M.Sc

    Physics

    Banaras Hindu University

    1977

    Ph.D

    Physics

    Banaras Hindu University

    1984


    Academics/Research Experience:
  • Year /Duration Research field Institute ( in India/Abroad) Fellowship

    1978-1984

    7 Yrs

    Growth, Structure and electronic properties of Tin Dichalcogenide Crystals ( Doctoral thesis, BHU

    Banaras Hindu University , Varanasi , India

    CSIR JRF, SRF

    1986-1989

    3 Yrs

    Geochronology of the great Indian (Thar) desert by Thermo luminescence (TL) dating of natural minerals, Archaeological dating

    Physical Research Laboratory (PRL) Ahmedabad , India

    CSIR Pool Officer

    1989-1990

    1 Yrs

    Radiation induced effects in natural Quartz

    Physical Research Laboratory , India

    Post Doctoral Fellowship of PRL

    1990-1992

    1.5 Yrs

    TL dating of Thar desert

    Dept. of Physics, Gujarat Univ and PRL, India

    CSIR Research Associate

    1992-2002

    10 Yrs

    1. Development, maintenance & operation of Iodine frequency stabilized He-Ne laser at 633nm as the primary standard of Length, Frequency calibration of 633 nm He-Ne lasers against Iodine stabilized lasers by heterodyne beat frequency technique

    2. Development of frequency stabilized diode lasers for laser cooling of alkali atoms

    Length Standard, National Physical Laboratory , India

    Scientist C & EI

    1995

    4 Months

    Beat frequency expt. & software development for intercomparison and dissemination of primary standard of Length

    PTB, Germany

    Visiting Scientist under NPL-PTB Technical Cooperation Programme
    1999 3 Months

    Research on a Frequency stabilized diode laser spectrometer in the visible region and its application to the precision spectroscopy of Ca.

    NRLM, Japan STA Fellow of Japan Govt.
    2002-2005 3Yrs Development of laser cooled Atomic Fountain Frequency Standard Time & Frequency Standard, NPL, India

    Scientist EI & EII

    2005- Till date ongoing Development of luminescent materials i.e., Phosphors in bulk and nanocrystalline form for various applications and material properties Luminescent Materials & Devices Group, NPL, India Scientist EII & F
  • Date of Joining NPL: 23 rd June, 1992
  • No. of Publications:
  • SCI JournalsConference/ proceedings BooksTotal
    29 (SCI)
    10 (non SCI)
    91

    Nil

    130

    No. of Patents : Nil

    Current Activity :
    (1) Development of high efficiency Plasma Display Panel (PDP) Phosphors
    (2) Development of Phosphor/nanophosphor for solar cell applications
    (3) Development of nanophosphor of II –VI semiconductor for light emitting devices
    (4) Development and study of luminescent, DMS nanoparticles of doped ZnO
    (5) Synthesis of bulk and nanophosphor for white LED
    (6) Time resolved Spectroscopy of Phosphors

    Honours and Awards:
    National Merit Scholarship from 1972 – 1977
    STA Fellowship 1999

  • Any other information: Externally funded Research Projects

    (1) “Development of next generation Plasma Display Panel Technology
    and 50” High Definition (HD) TV Prototype”
    NMITLI Project of CSIR in association with industrial partner SAMTEL Colour
    Lab Ltd., Ghaziabad
    (Sub) Title of the Project - “Synthesis of Phosphors for PDP”
    for Partner Organization National Physical Laboratory
    Duration 01.04.07 – 31.03.10

    Role - Principal Investigator :

    (2) “ Development of frequency stabilized diode lasers for laser cooling of alkali atoms”
    BRNS funded Project
    Duration 18.01.99 – 17.06.02

  • Telphone: 45609242
    Email :
    santa@nplindia.org