Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 82, Issue 8, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3624696
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Funding
- National Natural Science Foundation of China (NNSFC) [10874009, 11074011, 60837004]
- National Hi-Tech Program of China (863 Program)
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We demonstrate an external-cavity laser system using an anti-reflection coated laser diode as gain medium with about 60 nm fluorescence spectrum, and a Rb Faraday anomalous dispersion optical filter (FADOF) as frequency-selecting element with a transmission bandwidth of 1.3 GHz. With 6.4% optical feedback, a single stable longitudinal mode is obtained with a linewidth of 69 kHz. The wavelength of this laser is operating within the center of the highest transmission peak of FADOF over a diode current range from 55 mA to 142 mA and a diode temperature range from 15 degrees C to 35 degrees C, thus it is immune to the fluctuations of current and temperature. (C) 2011 American Institute of Physics. [doi:10.1063/1.3624696]
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