Publications

200+

Patents

40+

Book Chapters

02

Academic Qualifications

  • Ph.D. (Engineering), Jadavpur University, Kolkata in 2005
  • M.E. (Chemical Engineering), Jadavpur University, Kolkata in 1982
  • B.E. (Chemical Engineering), Jadavpur University, Kolkata in 1980

Area of Specialization

  • Optical Fiber Technology
  • Specialty Optical Fibers
  • Fiber Lasers
  • Glass Technology
  • Material Science

PhD Guidance

  • Completed - 7

Expertise in the Technology of Manufacturing Preforms and Optical Fibers including Specialty Fibers | Expertise in the Technology of Manufacturing Preforms and Optical Fibers including Specialty Fibers | Expertise in the Technology of Manufacturing Preforms and Optical Fibers including Specialty Fibers | Expertise in the Technology of Manufacturing Preforms and Optical Fibers including Specialty Fibers |

CAREER

Dr. Sen started his career as a Scientist in CSIR-Central Glass and Ceramic Research Institute (CSIR-CGCRI), Kolkata and held the position of Chief Scientist since the year 2008. He had the privilege of heading both Glass Division and Fiber Optics & Photonics Division of the institute. Being from the Engineering discipline, the prime focus of his activity was technology development. In this endeavor, he guided the development and transfer of a number of technologies/products and established active collaboration with industries; completing and energizing the innovation chain.

Explaining the fiber laser prototype developed by CSIR-CGCRI to Hon'ble Minister of Science & Technology, Govt. of India. From the right: Hon'ble minister Dr. Harsh Vardhan ji, the then Director of CSIR-CGCRI Dr. K. Muraleedharan & Dr. Sen

a
Head, Glass Division

As head of an expert group of R&D personnel in Glass Division, he led a number of major programmes on indigenous technology development and pilot..

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b
Head, Fiber Optics and Photonics Division

He had been associated with the Fiber Optics and Photonics Division of the institute for about 35 years. His stewardship of this Division resulted in establishment..

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c
IP Coordinator

As the IP Coordinator of CSIR-CGCRI since 2008, Dr. Sen was able to maintain a good portfolio of IP for the institute and facilitate the process of technology transfer to the Industries..

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D
CONSULTANT

Post retirement, he served the Institute (CSIR-CGCRI) as a Consultant during the period of May 2019 to October 2020.

Awards

2023

Fellow of Indian Institute of Chemical Engineers

2019

D. N. Agrawal Memorial Award of Indian Ceramic Society

2018

CSIR Technology Award

2017

CSIR Technology Award (Certificate of Merit)

2013

NRDC Innovation Award

2012

CSIR Technology Award for the Most Significant Technology of Five Year Period

2003

Best Paper Award in Optoelectronics and Communications Conference (OECC), China

1991

DAAD (German Academic Exchange Service) Fellowship

1991

Deokaran Award of Indian Ceramic Society

1982

Jadavpur University Gold Medal
Recognitions

GUEST SCIENTIST

TU Braunschweig, Germany during 2004-2005

REVIEWER - PROJECTS

Indo-US Sc. and Tech. Forum, DFG Germany (German Research Foundation), Czech Science Foundation, DST-India, BRNS-India, CSIR-India and MeitY-India.

INVITED SPEAKER (Last 15 years)

  • Institute of Photonic Technology, Germany
  • City University, London
  • Polytechnic University, Hong Kong
  • Draka Comteq Fibre, Netherlands
  • Silitec Fibers, Switzerland
  • Nextrom Oy, Finland
  • Sterlite Optical Technologies, India and several other Institutions / Organizations

REVIEWER - JOURNALS

  • Scientific Reports (Nature)
  • Optics Express (OSA)
  • Optics Letters (OSA)
  • Applied Optics (OSA)
  • Optical Materials (OSA)
  • Journal of Optics (OSI)
  • Photonics Technology Letters (IEEE)
  • J. Non-Crystalline Solids (Elsevier)

EXAMINER - PH.D/M.TECH.THESIS

  • Universities in Australia, UK and Malaysia
  • IISc Bangalore
  • IIT-ISM, Dhanbad
  • National Institutes of Technology
  • Jadavpur University, Kolkata
  • IIT Madras
  • Manipal Institute of Technology, Manipal

CONTRIBUTION

GLASS SCIENCE AND TECHNOLOGY

  • Specialty Borosilicate Glass Beads for nuclear waste immobilization

  • High Density Radiation Shielding Glass

  • Neodymium doped Laser Glass for high energy high power lasers
  • Chalcogenide Glass for thermal imaging application

  • Energy Efficient Cost-Effective Method of Producing Glass

FIBER OPTICS AND PHOTONICS

  • Erbium-doped Fiber Amplifier(EDFA) for CATV and Telecom Networks
  • Thulium Fiber Laser at 2 Micron wavelength for Surgery
  • Ytterbium Fiber Lasers at 1 micron wavelength for civil and industrial usage
  • Vapor Phase Doping Technology of making rare Earth doped Optical Fiber
  • Polarization Maintaining Fiber for Sensors and Fiber Optic Gyro
Affiliation

Dr. Sen served as a member/invited member of several committees at national level and of different organisations for project formulation/review/monitoring.

© DR. RANJAN SEN. All rights reserved.

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