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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 10,
  • Issue 3,
  • pp. 031404-
  • (2012)

Research on a middle infrared and long infrared dual-band laser

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Abstract

We propose a continuous-wave (CW) middle infrared (MIR) and long infrared (LIR) dual-band laser for the calibration and effect research of infrared detecting and imaging systems. A total output power of 18 W is achieved by the proposed dual-band laser through one DF gain medium module and one parallel placed CO<sub>2</sub> gain medium module using a common stable resonator and output mirror with nominal transmissivities of ~5% in the MIR band and ~10% in the LIR band. Spectra of dual-band laser are acquired. The power extracting efficiency of this dual-band laser can be significantly improved, as validated by a single-band test of optimized parameters.

© 2012 Chinese Optics Letters

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