Posted by on October 20, 19102 at 11:09:44:
RÉSUMÉ
NAME Chandrashekhar Natarajan
QUALIFICATION Master of Science
PRESENT DESIGNATION Scientist and Chairman of Faculty of Applied Physics at Institute of Armament Technology, Pune, India.
FABRICATION EXPERIENCE Metal vapor Laser, Diode Laser pumped Nd-YAG Laser, CW CO2 Laser, TEA CO2 Laser, Flash lamp pumped Nd-glass Laser and COIL Laser.
RESEARCH FIELD Diode Laser pumped Solid State Lasers, Fiber optic sensors, Nonlinear Optics and Electro Optics.
SOFTWARE SKILL VB 6.0, C++, Active X, Embedded software and OLE.
SOFTWARE EXPERIENCE LabView and MSOffice.
Summary
Six years of experience in design and fabrication of Diode Laser pumped Nd-YAG and Flash lamp pumped Nd-glass Laser system.
Three years of experience in design and fabrication of axial flow CW CO2 Laser and high rep rate TEA CO2 Laser system.
One-year of experience in COIL Laser system.
Three years of experience in design and fabrication of copper vapor and He-Cd Laser systems
Seven years of experience in design and development of Fiber optic sensor system for various parameters.
One year of experience in WDM based fiber optics communication system.
Eight years of experience in design and development of analytical and simulation software for laser system design and fiber optic network and sensors.
PROJECT DETAILS
1. Project Name
Design and Fabrication of Flash lamp pumped Nd-glass laser system for laser induced explosive studies.
Duration Aug 1999 to Jul 2002.
This project is intended to design and fabricate Q-switched and flash lamp pumped Nd-glass laser system which is expected to give the output energy of 1mJ with 10 nsec laser pulse. This laser can be used for the study of laser initiated high-energy explosives.
Role Principal Investigator (Project Leader).
Team Size Six.
2. Project Name
Design and Fabrication of diode laser pumped Nd-YAG laser system for Range finder application.
Duration Jan 1996 to May 2000.
This laser system is based on diode laser pumped Nd-YAG laser with the efficiency of 48%. This system is applied for Range finders.
Role Project Leader.
Team Size Four.
3. Project Name
Design and fabrication of Axial flow CW CO2 Laser system.
Duration Mar 1995 to May 1996.
This laser is fabricated for the purpose of Rapid prototype system wherein the laser is used as a tool for the model development. This laser is operated in the continuous wave mode. The output power of this laser is 32Watts, which is useful for the development of rapid prototype model.
Role Project Leader.
Team Size Four.
4. Project Name
Design and fabrication of high rep rate TEA CO2 Laser system.
Duration Apr 1993 to Aug 1995.
Transversely excited atmospheric CO2 laser is designed and fabricated with the output energy of 450mJ and pulse duration of 120 nsec. The laser is operated at the repetition rate of 220Hzs. The cathode is designed to fit the Chang profile for higher efficiency. This laser is used for rangers and industrial applications.
Role Project Leader.
Team Size Three.
5. Project Name
Design and fabrication of Copper Bromide laser for under water communication.
Duration Jun 1990 to Oct 1992.
Copper bromide laser is designed and developed for the application of under water communication. The energy output of this laser is 180mJ and pulse width of 140nsec.
Role Project developer.
Team Size Three.
6. Project Name
Design and fabrication of CW He-Cd laser.
Duration Aug 1983 to Oct 1986.
The continuous laser operation at 4416 A has been designed and fabricated making use of helium and cadmium. The output power of this laser is 120mWatt. This laser is being used for Raman scattering studies on some materials.
Role Project developer
Team Size Three.
7. Project Name
Design and fabrication of Fiber Optic Hydrophone for sonar detection.
Duration Apr 1995 to Mar 1997.
A fiber Optic hydrophone has been designed and developed using the principle of micro bend. The associated signal processing unit is also fabricated to sense the sonar source of millipascal.
Role Project Leader.
Team Size Three.
8. Project Name
Design and development of Fiber Optic dynamic strain and pressure sensor for smart application.
Duration Oct 1997 to Dec 1998.
An interferometric fiber optic sensor system is design and developed for the application of smart material. The system is highly sensitive to dynamic strain at low frequency and in the vibration environment. Work is in progress to replace the sensor with Bragg Grating.
Role Project Leader.
Team Size Four.
9. Project Name
Design and development of computer interfaced Fiber Optic axial and angular displacement distributed sensor.
Duration Jul 1999 to Oct 2001
A computer interfaced distributed sensor system has been designed and developed for Aircraft application. Eight sensor heads are tested satisfactorily. The displacement of maximum 3cm with the accuracy of 1m. and the angle maximum of 60 degree of an arc with the accuracy of 0.008 degree have been achieved.
Role Project Leader.
Team Size Four.
10. Project Name
Design and development of Fiber Optic LAN system for Network communication through PCs.
Duration May 2001 to Feb 2002.
A network environment has been designed and developed with 13 PCs in the LAN configuration. The system effectively transmits and receives data and voice through optical fibers.
Role Project Leader.
Team Size Six.
Other experiences
Administrative
Experienced as project leader of several scientific projects for about fifteen years. And presently Chairman of Faculty of Applied Physics in an Academic and R&D Institution. The Faculty strength is twelve with Five Officers and seven supporting staff.
Academics
Experienced as an excellent instructor to the postgraduate courses for about Twelve years on the topics of
• Laser Physics
• Laser Engineering
• Applied optics
• Fiber Optics
• Fiber Optic sensors
• Nonlinear optics
• Quantum Mechanics
Research
As a research scholar at Indian Institute of Science, Bangalore, India I have experienced in the study of metal vapor laser engineering and the excitation mechanism. The He-Cd laser that is designed and fabricated has been used to study optical phase conjugation in thin film glasses.
Computer Software
Using Visual Basic 6 and C++ software has been developed to test, analyze the design of lasers. Similar software is also developed to evaluate fiber optic networks and sensor system.
Publications
22 papers have been published in National, International journal and conferences.
Personal information
Name Chandrashekhar Natarajan.
Date of Birth Oct- 06-1959.
Address 23/2, IAT, Girinagar.
Pune,
MH.
Pin:411025.
INDIA
E-Mail padgujju@yahoo.com
Tel +91-020-4389295
Character Charming, Fair, Tall, Non-smoking, Non-alcoholic, Positive and high level of perseverance.