Pramana

, Volume 53, Issue 2, pp 321–330

Tunable infrared generation in KTA and applications

  • GC Bhar
  • P Kumbhakar
  • AK Chaudhary
  • U Chatterjee
Article

DOI: 10.1007/s12043-999-0131-7

Cite this article as:
Bhar, G., Kumbhakar, P., Chaudhary, A. et al. Pramana - J Phys (1999) 53: 321. doi:10.1007/s12043-999-0131-7

Abstract

Noncollinear difference frequency mixing of dye laser and Nd:YAG second harmonic (fundamental) radiation from a commercial laser system is employed for the generation of 2.7–5.3 µm (1.6–1.7 µm) radiations in a flux-grown KTiOAsO1 crystal. The generated radiation is used to scan the methane absorption in the fundamental (v3) and its first overtone (2v3) band at pressure 90 torr in a laboratory made single pass gas cell of length 33 cm.

Keywords

Nonlinear optics frequency conversion methane absorption 

PACS Nos

42.65.K 86.70.L 

Copyright information

© Indian Academy of Sciences 1999

Authors and Affiliations

  • GC Bhar
    • 1
  • P Kumbhakar
    • 1
  • AK Chaudhary
    • 1
    • 2
  • U Chatterjee
    • 1
  1. 1.Laser Laboratory, Physics DepartmentBurdwan UniversityBurdwanIndia
  2. 2.Central Forensic Science LaboratoryCalcuttaIndia

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