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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 9,
  • Issue 6,
  • pp. 061401-
  • (2011)

Frequency-narrowed external-cavity broad-area-diode for rubidium laser pumping

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Abstract

Using an external cavity with holographic grating, we demonstrate the spectral narrowing of a high power broad-area-diode with a single emitter. The spectral bandwidth of less than 15 GHz is obtained with output power exceeding 10 W and external cavity efficiency exceeding 60%. Absorption of 98% of the laser radiation by a 25-mm rubidium vapor cell filled with 600-torr ethane at a temperature of 368 K is acquired, which demonstrates the availability of this pump source for efficient rubidium laser pumping.

© 2011 Chinese Optics Letters

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