Amarin Ratanavis


Asst. Professor in Physics

PhD., Optical Science and Engineering, University of New Mexico, 2010

Contact Information

Department of Industrial Physics and Medical Instrumentation

Faculty of Applied Science

Science and Technology Research Institute

King Mongkut’s University of Technology North Bangkok

1518 Pibulsongkram Road, Bangsue, Bangkok 10800

Telephone +660-2555-2000 ext 4427

E-mail: amarinr at


  •  High power laser
  •  Laser spectroscopy
  •  Laser cleaning

Selected Publications

[1] A. Ratanavis, N. Campbell, A. V. V. Nampoothiri, and W. Rudolph. Performance and spectral tuning of optically overtone pumped molecular lasers. IEEE J. Quant. Electron. 45:488, 2009.

[2] A. Ratanavis, N. Campbell, and W. Rudolph. Feasibility study of optically pumped molecular lasers with small quantum defect. J. Opt. Commun. 283:1075, 2010.

[3] A. V. V. Nampoothiri, A. Ratanavis, N. Campbell, and W. Rudolph. Molecular C2H2 and HCN lasers pumped by an optical parametric oscillator in the 1.5-µm band. Optics Express. 18:1946, 2010.

[4] A.  Jones, A. V. V. Nampoothiri, A. Ratanavis, T. Fiedler, N Wheeler, F. Couny,  R. Kadel, F. Benabid, B. Washburn, K. Corwin and W. Rudolph. Mid-infrared gas filled photonic crystal fiber laser based on population inversion.  Opt. Express, 19: 2309, 2011.

[5] A. Ratanavis. Optically pumped molecular gas lasers in mid infrared region. J. Applied Science, 10:95, 2011.

[6] A. Ratanavis. From optically pumped molecular lasers to multi-frequency beam splitters. J. Industrial Technology, online, 2012.

[7] A. Ratanavis. A theoretical analysis of optically pumped alkali vapor lasers. The seventh national conference on optics and applications, 2012.

[8] P. Leevongwat, S. Meeklin, W. Putchana, and A. Ratanavis. A Development of the Demonstration Based-exercise Project. The Siam physics congress 2013. Chiangmai. 2013.


Amarin Group logo


Group photo 2014

 Group photo: Summer 2014

Group members



Wuttichai Putchana: Researcher

Research Interest: Laser communication



Phumipat Kittiboonanan: MS student (Integrated Physics)

Research Interest: Laser cleaning, Laser materials processing



Rattanachai Kowong: MS student (Integrated Physics)

Research interest: Laser cleaning, Nanowire



 Jidapa Rattanarojpan: MS student (Integrated Physics)

Research Interest: Laser-scattering imaging



Kanokwan Chongcharoen: BS student (Applied Physics)

Research Interest: Nanofiber



Chutawan Threechai: BS student (Applied Physics)

Research Interest: Nanofiber