Instrumentation for the stable operation of laser diodes

C. C. Bradley, J. Chen, Randall G. Hulet

Research output: Contribution to journalArticlepeer-review

58 Scopus citations


We have developed a constant current supply and a temperature control circuit that can be used for frequency-stable operation of laser diodes. These instruments can stabilize laser diode injection current and temperature to better than ±1 μA and ±0.3 mK, respectively, over time periods exceeding 1 h. We have excited the Li(2S↔2P) transition with a red-light-emitting laser diode and find that our instrumentation stabilizes the laser frequency to within ±10 MHz over a period exceeding 1 h.

Original languageBritish English
Pages (from-to)2097-2101
Number of pages5
JournalReview of Scientific Instruments
Issue number8
StatePublished - 1990


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