ragamsr@nplindia.org

Dr. Srinivas Rao Ragam
Designation:
Scientist
Department:
Physics of Energy Harvesting
Email address:
ragamsr@nplindia.org
Brief Biodata:

  

1. DP/DU No. and Name: (#1.05) Organic and Inorganic LEDs / Physics of Energy Harvesting Division

2. Name : Dr. R. SRINIVASA RAO

3. Current position and Address: Scientist

Ultrafast Optoelectronics and Terahertz Photonics Lab  
Room No. 104 & 20, Main . Building,  
National Physical Laboratory, Dr. K.S.Krishnan Marg  
New Delhi-110012, ( INDIA ).

4. Date of Birth: 06-06-1980

5. Email : ragamsr@nplindia.org

6. ID No. 6006

7. Educational Qualifications :

Degree

Subject

University/Institute

Year

 

B.Sc

Electronics

 

Acharya Nagarjuna University , Andhra Pradesh

2000

M.Sc

 

Electronics

 

University of Hyderabad , Hyderabad

2002

M.Sc (Tech)

 

Electronics

University of Hyderabad , Hyderabad

2003

Ph.D

 

Engineering (THz Technology)

Tohoku University , Sendai , Japan

2009

Title of Ph.D. Thesis: "CW THz wave generation based on Laser-diode Pumping"

8. Academics/Research Experience :

Year

Duration

Research field

Institute ( in India/Abroad)

Fellowship

March 2013 - Present

 

Nonlinear Optics, Ultrafast Lasers and Terahertz Technology

CSIR-NPL, New Delhi

Scientist

December 2011- Feb 2013

1 year and 2 months

Terahertz TDS using fs laser and THz Imaging using BWO source

RIKEN, Advanced Science Institute, Japan

RIKEN Fellow (FPR)

Nov 2009-October 2011

2 years

Compact and portable THz sources and R&D on solid-state lasers

Lehigh University , Pennsylvania , USA

Visiting Scientist,

Funded by NSF

April 2006- September 2009

3 year and 6 months

High resolution THz Spectroscopy using CW Laser- diode pumping

Tohoku University , Sendai , Japan

PhD, Japanese Govt. Fellowship

July 2003- February 2006

2 year and 7 months

Non-contact High temperature sensor

University of Hyderabad , Hyderabad

Research Fellow,ISRO Sponsored Fellowship

9. Date of Joining NPL: 4 th March 2013

10. No. of Publications:

SCI Journals

Conference/proceedings

Books

Total

15

34

1 (Book Chapter)

50

11. No. of Patents : 3 (1 US patent, 2 Japanese patents)

12. Current Activity:

  • R & D on Femtosecond Pump-Probe spectroscopy to investigate semiconductor materials, energy materials, and metamaterials etc.

  • Development of compact and portable THz sources based on non-linear optical method. .

13. Honours and Award :

  • RIKEN FPR Fellowship from Japanese Government (2011).

  • US National Science Foundation Fellowship (2009).

  • Global COE (Centre of Excellence), MEXT, Japan (2007).

  • Mombukagkusho Scholarship, from Japanese Government (2005).

  • Junior Research Fellowship from ISRO (2003).

  • Received Gold medal in Undergraduate, Acharya Nagarjuna University (2000).

14. Any other information:

  • Research Interests: Non-linear optics, ultrafast lasers, THz-wave generation and its applications in chemical sensing.

  • High-end Equipment handled: Bolometer, Lock-in-amplifier, External cavity and Distributed feedback Laser diodes, High power fiber-amplifiers, Solid-state lasers, OPO and OPA, Ultrafast Ti-supphire lasers/ amplifiers, Backward- wave oscillator (BWO) and TUNNET diode.

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