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Proceedings Article

External-cavity high-power dual-wavelength tapered amplifier with tunable THz frequency difference

[+] Author Affiliations
Mingjun Chi, Ole B. Jensen, Paul M. Petersen

Technical Univ. of Denmark (Denmark)

Proc. SPIE 8241, High-Power Diode Laser Technology and Applications X, 824114 (February 9, 2012); doi:10.1117/12.908248
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From Conference Volume 8241

  • High-Power Diode Laser Technology and Applications X
  • Mark S. Zediker
  • San Francisco, California, USA | January 21, 2012

abstract

A tunable 800 nm high-power dual-wavelength diode laser system with double-Littrow external-cavity feedback is demonstrated. The two wavelengths can be tuned individually, and the frequency difference of the two wavelengths is tunable from 0.5 to 5.0 THz. A maximum output power of 1.54 W is achieved with a frequency difference of 0.86 THz, the output power is higher than 1.3 W in the 5.0 THz range of frequency difference, and the amplified spontaneous emission intensity is more than 20 dB suppressed in the range of frequency difference. The beam quality factor M2 is 1.22±0.15 at an output power of 1.35 W. The simultaneous oscillation of the two wavelengths is under test by the sumfrequency generation experiment in a bismuth triborate (BIBO) nonlinear crystal.

© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Mingjun Chi ; Ole B. Jensen and Paul M. Petersen
"External-cavity high-power dual-wavelength tapered amplifier with tunable THz frequency difference", Proc. SPIE 8241, High-Power Diode Laser Technology and Applications X, 824114 (February 9, 2012); doi:10.1117/12.908248; http://dx.doi.org/10.1117/12.908248


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